CN210537346U

CN210537346U - Hole digging drill

Info

Publication number: CN210537346U
Application number: CN201920817451.2U
Authority: CN
Inventors: 刘翔晖; 叶祥勇; 周向阳; 王永闽; 陈德金; 吴祖顺
Original assignee: Fujian Yonglin Jinshu Biological Technology Co ltd
Current assignee: Fujian Yonglin Jinshu Biological Technology Co ltd
Priority date: 2019-05-31
Filing date: 2019-05-31
Publication date: 2020-05-19
Anticipated expiration: 2029-05-31

Abstract

The utility model provides a hole-digging borer, including hole-digging hoe body, hoe handle, remove native push pedal, push rod, spring and beat the ball, hole-digging hoe body's lower part has set firmly the hoe pipe, hole-digging hoe body's middle part right side has set firmly first connecting pipe, hole-digging hoe body's middle part has seted up the push rod chamber, hole-digging hoe body's upper portion has seted up the spring chamber, first connecting pipe and hoe handle fixed connection, the push rod is slided and is located the push rod chamber, the lower extreme and the soil-removing push pedal fixed connection of push rod, the soil-removing push pedal is connected with hoe pipe sliding, the upper end and the ball of push rod are beaten threaded connection, the spring cup joints in the push rod; the soil cutting machine also comprises a soil cutting blade, a soil cutting cutter shaft, a cutter position handle and a torsion spring. The utility model has the advantages of as follows: the hoe is characterized in that the hoe is provided with a hoe pipe, the hoe pipe is provided with a hole, the hole is formed in one step, the hole is regular, the seedling nutrition bag can be completely and vertically placed in the hole, the seedling bending phenomenon is reduced, and forest workers in field operation in mountainous areas can conveniently operate at different slopes.

Description

Hole digging drill

Technical Field

The utility model relates to an agricultural instrument specifically relates to a dig cave borer.

Background

The nutrition bag for afforestation nursery stocks in mountainous areas generally has the following 5 specifications: diameter 4.77cm x height 10 cm; diameter 7cm x height 11 cm; diameter 8cm x height 12 cm; diameter 9cm x height 13 cm; diameter 10cm x height 14 cm. In order to reduce the weight of afforestation and mountain picking, the diameter is generally 4.77cm multiplied by 10 cm; the size of the nutrition bag with the diameter of 7cm multiplied by the height of 11cm is more.

When afforesting in mountainous areas, the problem of hole digging and drilling in the field needs to be solved, and the existing afforestation equipment comprises a tree planting hole digging machine, a garden hole digging machine, a small-sized perforating machine, a ground auger and the like; the digging machine can be used for selecting and matching drill bits with various specifications according to the situation of tree species so as to meet the requirements of users. However, the equipment is mainly suitable for afforestation or fruit tree planting on sloping fields, sandy fields and hard lands with the gradient below 20 degrees, greening tree planting on two sides of roads and the like, and is not suitable for field operation of complex mountainous areas; on the other hand, the afforestation equipment is heavy, difficult to move up the mountain and has larger vibration; the high-low fall of the mountainous region is large, weeds are more, forestation personnel do not stand well, and equipment operation is difficult.

In order to reduce the labor intensity of mountain hole digging and pit digging, the traditional mountain afforestation mode is gradually changed into a hoeing mode from the former big hole digging and afforestation mode, thereby reducing the labor intensity of operation and reducing the afforestation unit price. However, a hoe method has a great disadvantage that the hole is inclined when the hoe is used for digging the ground, only one side of the hole is dug, so that the planted saplings are also inclined during planting, an elbow needs to be grown at the base of the saplings during the growth period of the saplings, the growth of the saplings and trees is influenced, and the future volume is also influenced.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in providing a cave borer digs, one shot forming when digging cave drilling, and the hole of digging is regular, makes the nursery stock can completely stand wherein, reduces curved seedling phenomenon, and mountain area field work's forest culture personnel can improve the survival rate of mountain area afforestation nursery stock at the slope of difference convenient operation.

The utility model discloses a realize like this: a hole digging drill comprises a hole digging hoe body, a hoe handle, a soil removing push plate, a push rod, a spring and a knocking ball, wherein a hoe pipe is fixedly arranged at the lower part of the hole digging hoe body, a first connecting pipe is fixedly arranged on the right side of the middle part of the hole digging hoe body, a push rod cavity is formed in the middle part of the hole digging hoe body, a spring cavity is formed in the upper part of the hole digging hoe body, the first connecting pipe is fixedly connected with the hoe handle, the push rod is slidably arranged in the push rod cavity, the lower end of the push rod is fixedly connected with the soil removing push plate, the soil removing push plate is slidably connected with the hoe pipe, the upper end of the push rod is in threaded connection with the knocking ball, the spring is sleeved on the push rod, the lower end of the spring abuts against the spring cavity, and the upper end of the spring abuts against the knocking ball; still include the device of cutting soil, the device of cutting soil includes cutting blade, cutting arbor, sword position handle and torsional spring, dig cave hoe body and seted up the cylinder hole, the cylinder hole still is located in the pipe wall of hoe pipe, the lower extreme of hoe pipe is seted up and is held the trapezoidal mouth of cutting blade, the cutting arbor rotate connect in the cylinder hole, the lower extreme of cutting arbor with cutting blade fixed connection, the upper end of cutting arbor with sword position handle fixed connection, the holding ring has still been seted up on the upper portion of cave hoe body, the lower extreme fixed connection of torsional spring in the holding ring, the upper end of torsional spring with sword position handle fixed connection, the cutting arbor still passes the torsional spring.

Furthermore, a circle of saw teeth are arranged on the edge of the lower end of the hoe tube, and the cross section of each saw tooth is triangular.

Furthermore, the pipe wall of the hoe pipe is provided with an exhaust hole.

Further, the hoe handle includes the fixed pipe of handle, perforator handle and pedal pipe, the left end of the fixed pipe of handle with first connecting pipe fixed connection, the right-hand member of the fixed pipe of handle with the left end reassembling type of perforator handle is connected, the right-hand member of perforator handle with the left end reassembling type of pedal pipe is connected.

Furthermore, a second connecting pipe is fixedly arranged on the left side of the middle part of the hole digging hoe body and is fixedly connected with the pedal pipe.

Further, still include the extension connecting rod and connect with the connecting rod, the one end of extension connecting rod with the one end threaded connection that the connecting rod connects, the fixed intraductal lumen that is equipped with of handle, the extension connecting rod connects with the connecting rod and can place in the lumen.

Further, the right end of the handle fixing pipe is fixedly provided with a hollow bolt, the hollow bolt is in threaded connection with the left end of the drill handle, and the extension connecting rod can penetrate through a central cavity of the hollow bolt.

Furthermore, the drill handle is provided with a first screw hole, and the threads of the first screw hole are matched with the threads of the hollow bolt.

Furthermore, the upper part of the hole digging hoe head body is fixedly provided with a reinforcing fixing ring to form an annular cavity, and the handle fixing pipe can be inserted into the annular cavity and fixedly connected with the annular cavity.

The utility model has the advantages of as follows: the hoe is characterized in that corresponding hoe pipe lengths are adopted according to different nursery stock requirements, the hoe is formed in one step when holes are dug and drilled, and the dug holes are regular, so that nursery stock nutrition bags can be completely and vertically placed in the hoe, the seedling bending phenomenon is reduced, forest workers in field operation in mountainous areas can conveniently operate at different slopes, and the survival rate of nursery stock for forest planting in the mountainous areas is improved; meanwhile, the hoe mode can be changed into the drilling mode, and drilling can be better performed even in harder soil; and the soil pushing and cutting functions are matched, so that the forest workers can easily take the soil.

Drawings

The invention will be further described with reference to the following examples with reference to the accompanying drawings.

Fig. 1 is a schematic structural view of a hole drilling device according to an embodiment of the present invention.

FIG. 2 is a schematic cross-sectional view of the structure of the middle hole-digging hoe body of the present invention.

Fig. 3 is an assembly schematic view of the middle soil cutting device and the hole digging hoe body of the present invention.

Fig. 4 is a schematic top view of the structure of fig. 3.

FIG. 5 is a schematic view of the sawtooth structure of the middle hoe tube of the present invention.

Fig. 6 is the installation schematic diagram of the soil cutting blade and the trapezoid port of the present invention.

Fig. 7 is a schematic structural view of the hitting ball of the present invention.

FIG. 8 is a schematic external view of the structure of the middle hoe handle of the present invention.

Fig. 9 is a schematic sectional view of the structure of the middle handle fixing tube of the present invention.

Fig. 10 is a schematic cross-sectional view of the structure of the handle of the drill according to the present invention.

Fig. 11 is a schematic cross-sectional view of the pedal tube of the present invention.

Fig. 12 is a schematic structural view of a second embodiment of the hole drilling device of the present invention.

Fig. 13 is an assembly diagram of the extension connecting rod and the hollow bolt according to the second embodiment of the present invention.

The labels in the figure are: 1-boring hoe body, 11-hoe tube, 111-sawtooth, 112-exhaust hole, 113-trapezoid mouth, 12-first connecting tube, 13-push rod cavity, 14-spring cavity, 15-cylindrical hole, 16-positioning ring, 17-second connecting tube, 18-reinforcing fixing ring, 181-ring cavity, 2-hoe handle, 21-handle fixing tube, 211-tube cavity, 212-hollow bolt, 22-drill handle, 221-first screw hole, 222-second screw hole, 223-third screw hole, 23-pedal tube, 3-soil removing push rod, 4-push rod, 5-spring, 6-knock ball, 61-nut column, 7-soil cutting device, 71-soil cutting blade, 72-soil cutting cutter shaft, 73-cutter handle, 74-torsion spring, 75-positioner, 8-extension connecting rod, 81-connecting rod joint, 9-bolt and 91-bolt hole.

Detailed Description

Referring to fig. 1 to 11, a first embodiment of the present invention is shown.

A hole digging drill comprises a hole digging hoe body 1, a hoe handle 2, a soil removing push plate 3, a push rod 4, a spring 5 and a beating ball 6, wherein the lower part of the hole digging hoe body 1 is fixedly provided with a hoe tube 11, the hoe tube 11 is used for digging holes in soil and drilling holes, the corresponding hoe tube 11 is adopted according to different seedling requirements, and the hole digging drill is formed in one step when the holes are dug;

a first connecting pipe 12 is fixedly arranged on the right side of the middle part of the hole digging hoe body, a push rod 4 cavity 13 is arranged in the middle part of the hole digging hoe body 1, a spring 5 cavity 14 is arranged on the upper part of the hole digging hoe body 1, the first connecting pipe 12 is fixedly connected with the hoe handle 2, and forest workers in mountain field operation hold the hoe handle 2 to dig holes like using a hoe in the past;

the push rod 4 is slidably arranged in a cavity 13 of the push rod 4, the lower end of the push rod 4 is fixedly connected with the soil removal push plate 3, the soil removal push plate 3 is slidably connected with the hoe tube 11, the soil removal push plate 3 and the hoe tube 11 form a piston type, soil can be clamped in the hoe tube 11 after soil is dug in a hole of the hoe tube 11, and soil can be pushed out of the hoe tube 11 by pushing the soil removal push plate 3;

the upper end of the push rod 4 is in threaded connection with the knocking ball 6, so that the knocking ball and the knocking ball 6 can be conveniently disassembled and assembled, wherein the knocking ball 6 is fixedly provided with a nut post 61, and the nut post 61 is connected with the external thread at the upper end of the push rod 4; the spring 5 is sleeved on the push rod 4, the lower end of the spring 5 abuts against the cavity 14 of the spring 5, the upper end of the spring 5 abuts against the beating ball 6, and when the beating ball 6 moves downwards under stress, the push rod 4 pushes the soil removing push plate 3 downwards, and the spring 5 is compressed; when the beating ball 6 is not stressed, the spring 5 is reset, and the push rod 4 pulls the soil removing push plate 3 upwards.

Referring to fig. 3, 4 and 6, the soil cutting device 7 is further included, the soil cutting device 7 includes a soil cutting blade 71, a soil cutting knife shaft 72, a knife position handle 73 and a torsion spring 74, the hole digging hoe body 1 is provided with a cylindrical hole 15, the cylindrical hole 15 is also located in the tube wall of the hoe tube 11, the lower end of the hoe tube 11 is provided with a trapezoidal opening 113 capable of accommodating the soil cutting blade 71, the outer portion of the trapezoidal opening 113 is small, the inner portion of the trapezoidal opening 113 is large, and the depth of the trapezoidal opening is about 2mm-3 mm;

the soil cutting knife shaft 72 is rotatably connected to the cylindrical hole 15, the lower end of the soil cutting knife shaft 72 is fixedly connected with the soil cutting blade 71, the upper end of the soil cutting knife shaft 72 is fixedly connected with the knife position handle 73, the positioning ring 16 is further arranged on the upper portion of the hole digging hoe body 1, the lower end of the torsion spring 74 is fixedly connected to the positioning ring 16, the upper end of the torsion spring 74 is fixedly connected with the knife position handle 73, and the soil cutting knife shaft 72 further penetrates through the torsion spring 74. The soil cutting knife position is screwed out from the trapezoidal opening 113 by operating the knife position handle 73, the soil in the hoe tube 11 is cut off, and the soil in the hoe tube 11 is separated from the ground surface; at the moment, the torsion spring 74 is subjected to torsion, and after the cutter position handle 73 is loosened, the torsion spring 74 is reset, and the soil cutting blade 71 returns to the trapezoidal opening 113; thus, when the hoe tube 11 is lifted, the soil for digging holes is left in the hoe tube 11.

The device also comprises a positioner 75, the positioner 75 is fixedly arranged at the upper part of the hole-digging hoe head body 1, the positioner 75 is used for blocking the cutter position handle 73, and when a worker correctly operates the cutter position handle 73, the soil-cutting blade 71 is screwed out of soil in the cutting hoe tube 11 from the trapezoidal opening 113; when the worker operates the handle 73 in the reverse direction, the retainer 75 blocks the handle 73 to prevent the blade 71 from being damaged or the blade 71 from being exposed out of the hoe tube 11.

The hole digging drill of the first embodiment of the utility model is in a hoe mode, and when forest workers in field operation in mountainous areas use the utility model, the hole digging can be conveniently operated at different slopes; the forest culture and management personnel hold the hoe handle 2 to lift the utility model upwards like using a hoe at ordinary times, then remove the hoe towards the ground, if the digging depth of the hoe tube 11 is insufficient, the first connecting tube 12 can be stepped by feet, and the hoe tube 11 is assisted to dig to a sufficient depth; then the hoe handle 2 is rotated once to lead the hole-digging hoe body 1 to be separated from the soil, and the hole-digging hoe body 1 cannot be clamped by the soil; when the utility model is lifted again, the soil is beaten to the ground in the opposite direction, the beating ball 6 receives the acting force of the ground surface, the push rod 4 is pushed to beat the soil in the hoe tube 11, and a hole digging process is realized. The dug holes are regular, so that the nutrition bags of the nursery stocks can be completely and vertically placed in the holes, and the dug soil can be backfilled, thereby reducing the seedling bending phenomenon and improving the survival rate of the nursery stocks.

Referring to fig. 5 again, the edge of the lower end of the hoe tube 11 is provided with a circle of saw teeth 111; the sawteeth 111 are made of alloy materials, the cross section of each sawtooth 111 is triangular, and the tip of each sawtooth is positioned on the outer circle of the pipe wall of the hoe pipe 11; therefore, when the hole is dug, soil is compressed inwards in the hoe tube 11 in the downward movement process of the hoe tube 11, and the soil is not easy to fall off.

The pipe wall of the hoe pipe 11 is provided with an exhaust hole 112; the exhaust holes 112 are multiple, the exhaust holes 112 are conical, and the large aperture faces outwards; therefore, when the hole is dug, soil can enter the hoe tube 11 more easily, air flows in the exhaust holes 112, and the difference between the internal air pressure and the external air pressure of the hoe tube 11 is balanced in the soil taking and removing processes.

Referring to fig. 8 to 11, the hoe handle 2 includes a handle fixing tube 21, a drill handle 22 and a pedal tube 23, the left end of the handle fixing tube 21 is fixedly connected to the first connecting tube 12, wherein the left end of the handle fixing tube 21 is provided with a bolt hole 91, and the first connecting tube 12 is also provided with a corresponding bolt hole 91, so that the handle fixing tube 21 is fixedly connected to the first connecting tube 12 by using the bolt 9 and the bolt hole 91 to cooperate.

The right end of the handle fixing pipe 21 is in threaded connection with the drill handle 22 in a dismounting and mounting mode, and the right end of the drill handle 22 is in threaded connection with the pedal pipe 23 in a dismounting and mounting mode. In the first embodiment, the handle fixing tube 21, the drill handle 22 and the pedal tube 23 are assembled with each other.

And a second connecting pipe 17 is fixedly arranged at the left side of the middle part of the hole digging hoe body 1, and the second connecting pipe 17 is fixedly connected with the pedal pipe 23. The second connecting pipe 17 is provided with an internal thread. In the first embodiment, the second connection pipe 17 is left empty.

Still connect 81 with the connecting rod including extension connecting rod 8, the one end of extension connecting rod 8 with the connecting rod connects 81's one end threaded connection, be equipped with lumen 211 in the fixed pipe 21 of handle, extension connecting rod 8 connects 81 with the connecting rod and can place in the lumen 211. Wherein both ends of the connecting rod joint 81 are provided with internal threads, and the side wall thereof is further provided with a bolt hole 91, and the right end corresponding position of the handle fixing tube 21 is also provided with a bolt hole 91, so that the connecting rod joint 81 is fixed in the tube cavity 211 by using the bolt 9. The other end of the extension connecting rod 8 is provided with an external thread. The diameter of the extension connecting rod 8 is equivalent to that of the push rod 4. In the first embodiment, the lumen 211 stores the extension bar 8 and the bar connector 81.

The right end of the handle fixing pipe 21 is fixedly provided with a hollow bolt 212, the hollow bolt 212 is in threaded connection with the left end of the drill handle 22, and the left end of the drill handle 22 is provided with a second screw hole 222, so that the handle fixing pipe 21 and the drill handle 22 are installed and disassembled through threaded connection; the extension connecting rod 8 can pass through the central hollow of the hollow bolt 212.

The right end of the drill handle 22 is provided with a third screw hole 223, and the left end of the pedal pipe 23 is fixedly provided with another hollow bolt 212, so that the drill handle and the pedal pipe 23 are connected with the other hollow bolt 212 through the third screw hole 223 in a threaded manner for mounting and dismounting. A cover plate is arranged on the right side of the pedal tube 23, a cavity is formed in the pedal tube 23, the cover plate is opened, tools such as a screwdriver and the like can be placed in the cavity, and when the screwdriver is needed, the tools can be taken out, and the screwdriver is used for adjusting the bolt 9.

Please refer to fig. 12 and 13, a second embodiment of the present invention.

The drill handle 22 is provided with a first screw hole 221, and the threads of the first screw hole 221 are matched with the threads of the hollow bolt 212. Thus, the drill handle 22 is threadedly assembled with the handle fixing tube 21, and other assembling methods can be adopted for the two.

The upper part of the hole-digging hoe body 1 is also fixedly provided with a reinforcing fixing ring 18 to form an annular cavity 181, and the handle fixing tube 21 can be inserted into the annular cavity 181 and fixedly connected. Wherein the reinforcing fixing ring 18 is provided with a bolt hole 91 corresponding to the bolt hole 91 at the left end of the handle fixing tube 21, and the upper portion of the hole-digging hoe body 1 is also provided with a corresponding bolt hole 91, so that the handle fixing tube 21 is firmly installed in the annular cavity 181 by using the bolt 9, and the bolt 9 passes through the reinforcing fixing ring 18 and the handle fixing tube 21 to reach the upper portion of the hole-digging hoe body 1.

The hole digging drill of the second embodiment of the utility model adopts a drilling mode; the mode conversion method comprises the following steps: taking out the screwdriver from the cavity of the pedal tube 23, detaching the combined hoe handle 2 from the first connecting tube 12, and detaching the pedal tube 23, the driller handle 22 and the handle fixing tube 21 from the combined hoe handle 2; then screwing the other hollow bolt 212 of the pedal pipe 23 into the second connecting pipe 17 and screwing and fixing, taking out the extension connecting pipe and the connecting pipe joint from the pipe cavity 211 of the handle fixing pipe 21, then removing the knocking ball 6 and the push rod 4, connecting and screwing one end of the extension connecting rod 8 and one end of the connecting rod joint 81 in a threaded manner, connecting and screwing the other end of the connecting rod joint 81 and the upper end of the push rod 4 in a threaded manner, and at the moment, the upper end of the spring 5 props against the connecting rod joint 81; then the left end of the handle fixing tube 21 is locked in the annular cavity 181, and at the moment, the extension connecting rod 8 penetrates through a central hollow hole of the hollow bolt 212 positioned at the right end of the handle fixing tube 21; the drill handle 22 is mounted on the handle fixing tube 21 by screwing the hollow bolt 212 through the first screw hole 221, and finally the other end of the extension connecting rod 8 is screwed with the nut post 61 of the knock ball 6.

When digging soil, as a shovel is used at ordinary times, the hole-digging hoe body 1 is stepped down, if the stepping depth of the hole-digging hoe body 1 is insufficient, the rotary drill handle 22 is pushed by hand, so that the saw teeth 111 of the hoe tube 11 cut the root system and the soil block in the soil, and the sufficient depth is achieved; if the soil is hard or has high viscosity and the hoe tube 11 reaches a sufficient depth, the cutter position handle 73 is operated to open the soil cutting blade 71 to the maximum opening position, and then the drill handle 22 is rotated continuously to loosen and separate the hoe tube 11 from the surface soil, so that the hole-digging hoe tube 11 cannot be clamped by the soil. Then the utility model discloses a dig cave borer strikes the hitting ball 6 on the push rod 4 or to turn round the cave borer, strike ball 6 and strike to the ground with the hand, just beats out the soil in the hoe pipe 11, realizes the process of a drilling.

Although specific embodiments of the present invention have been described, it will be understood by those skilled in the art that the specific embodiments described are illustrative only and are not limiting upon the scope of the invention, and that equivalent modifications and variations can be made by those skilled in the art without departing from the spirit of the invention, which is to be limited only by the claims appended hereto.

Claims

1. A hole-digging drill is characterized in that: the hole digging hoe comprises a hole digging hoe body, a hoe handle, a soil removing push plate, a push rod, a spring and a knocking ball, wherein a hoe pipe is fixedly arranged at the lower part of the hole digging hoe body, a first connecting pipe is fixedly arranged on the right side of the middle part of the hole digging hoe body, a push rod cavity is formed in the middle part of the hole digging hoe body, a spring cavity is formed in the upper part of the hole digging hoe body, the first connecting pipe is fixedly connected with the hoe handle, the push rod is slidably arranged in the push rod cavity, the lower end of the push rod is fixedly connected with the soil removing push plate, the soil removing push plate is slidably connected with the hoe pipe, the upper end of the push rod is in threaded connection with the knocking ball, the spring is sleeved on the push rod, the lower end of the spring abuts against the spring cavity, and the upper end of the spring abuts against the knocking ball; still include the device of cutting soil, the device of cutting soil includes cutting blade, cutting arbor, sword position handle and torsional spring, dig cave hoe body and seted up the cylinder hole, the cylinder hole still is located in the pipe wall of hoe pipe, the lower extreme of hoe pipe is seted up and is held the trapezoidal mouth of cutting blade, the cutting arbor rotate connect in the cylinder hole, the lower extreme of cutting arbor with cutting blade fixed connection, the upper end of cutting arbor with sword position handle fixed connection, the holding ring has still been seted up on the upper portion of cave hoe body, the lower extreme fixed connection of torsional spring in the holding ring, the upper end of torsional spring with sword position handle fixed connection, the cutting arbor still passes the torsional spring.

2. The hole-drilling drill of claim 1, wherein: the edge of the lower end of the hoe tube is provided with a circle of saw teeth, and the cross section of each saw tooth is triangular.

3. The hole-drilling drill of claim 1, wherein: the pipe wall of the hoe pipe is provided with an exhaust hole.

4. The hole-drilling drill of claim 1, wherein: the hoe handle comprises a handle fixing pipe, a drill handle and a pedal pipe, the left end of the handle fixing pipe is fixedly connected with the first connecting pipe, the right end of the handle fixing pipe is connected with the left end of the drill handle in a dismounting mode, and the right end of the drill handle is connected with the left end of the pedal pipe in a dismounting mode.

5. The hole-drilling drill of claim 4, wherein: and a second connecting pipe is fixedly arranged on the left side of the middle part of the hole digging hoe body and is fixedly connected with the pedal pipe.

6. The hole-drilling drill of claim 4, wherein: still connect with the connecting rod including the extension connecting rod, the one end of extension connecting rod with the one end threaded connection that the connecting rod connects, the fixed intraductal lumen that is equipped with of handle, the extension connecting rod connects with the connecting rod and can place in the lumen.

7. The hole-drilling drill of claim 6, wherein: the right-hand member of the fixed pipe of handle has set firmly hollow bolt, hollow bolt with the left end threaded connection of perforator handle, the extension connecting rod can pass hollow bolt's central cavity.

8. The hole-drilling drill of claim 7, wherein: the drill handle is provided with a first screw hole, and the threads of the first screw hole are matched with the threads of the hollow bolt.

9. The hole-drilling drill of claim 4, wherein: the upper part of the hole digging hoe head body is further fixedly provided with a reinforcing fixing ring to form an annular cavity, and the handle fixing pipe can be inserted into the annular cavity and is fixedly connected with the annular cavity.