CN210105761U - Drilling tool for burying telegraph pole - Google Patents

Drilling tool for burying telegraph pole Download PDF

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Publication number
CN210105761U
CN210105761U CN201920990157.1U CN201920990157U CN210105761U CN 210105761 U CN210105761 U CN 210105761U CN 201920990157 U CN201920990157 U CN 201920990157U CN 210105761 U CN210105761 U CN 210105761U
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Prior art keywords
drilling
lock
spring
drill bit
handle
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CN201920990157.1U
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Chinese (zh)
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史骏辰
俞佳
陈小光
王家琪
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Yixing Tiani Precision Casting Co Ltd
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Yixing Tiani Precision Casting Co Ltd
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Abstract

The utility model discloses a bury drilling tool for wire pole drilling, including drilling rod, drilling rod adapter, locking device, spanner and drill bit, the drilling rod is installed in the drilling rod adapter, and fixed through crooked arm round pin, and locking device connects in the drilling rod adapter bottom, and the upper end of spanner is detachable pegs graft in locking device, and the lower extreme of spanner passes through the connecting rod to be connected with the drill bit, and the cross section of drilling rod is four or four regular polygon more than, and the cross section of spanner is the rectangle. The utility model replaces the drill bit with the spiral cutting edge on the large surface from bottom to top in the prior art by combining the drill rod, the wrench and the drill bit, the cross sections of the drill rod and the wrench adopt polygons, which can bear larger torque and the drill bit has good guidance; only the drill bit is provided with the spiral cutting blade, and the wrench is not provided with the spiral cutting blade, so that the safety performance is greatly improved; the spanner is anchored with the locking device, the drill rod is anchored with the drill rod adapter through the bent arm pin, the connection is firm, and the installation and the disassembly are very convenient.

Description

Drilling tool for burying telegraph pole
Technical Field
The utility model relates to a power equipment installs construction equipment technical field, more specifically relates to bury wire pole drilling and use drilling tool.
Background
Need punch at the bottom surface before burying the wire pole, all adopt the manual work to dig the hole in the past, so not only work efficiency is low, and size is inconsistent about still probably leading to the aperture, and makes the next soil not hard up. Later, mechanical drilling is adopted, a large drill bit with a spiral cutting blade on the surface is generally adopted, a rotary driving mechanism is directly connected to the top of the drill bit, and the rotary driving mechanism drives the drill bit to rotate to complete drilling. The structure is simple, and the mechanization replaces the manual work, so the application is wider. However, this structure has some disadvantages: firstly, the torque that the drill bit can bear is not enough, and in order to enable the drill bit to bear larger torque, only the drill bit with large outer diameter can be selected, so that the drilled hole diameter is possibly larger than the required hole diameter, and the soil beside the drill bit is loosened; secondly, the large-scale drill bit with the spiral cutting blade on the surface from bottom to top brings great potential safety hazard when a user operates the rotary driving mechanism; thirdly, the joint between the drill bit and the rotary driving mechanism is not firm, and the drill bit needs to be pressed by a user with large force in a general rotating state, otherwise, the drilling speed of the drill bit is slow, the guidance quality is poor, and even the risk that the drill bit is separated from the rotary driving mechanism exists.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a can bear great moment of torsion, each parts installation back firm, the guidance quality is good, can improve the drilling tool for burying wire pole drilling of construction speed and security.
According to the utility model discloses an aspect provides bury wire pole drilling tool for drilling, and it includes drilling rod, drilling rod adapter, locking device, spanner and drill bit, and the drilling rod is installed in the drilling rod adapter, and fixed through crooked arm round pin, and locking device connects in the drilling rod adapter bottom, and the upper end of spanner is detachable pegs graft in locking device, and the lower extreme of spanner passes through the connecting rod to be connected with the drill bit, and the cross section of drilling rod is four or four regular polygon above, and the cross section of spanner is the rectangle. Therefore, the drill bit with the spiral cutting blade on the large surface from bottom to top in the prior art is replaced by a mode of combining the drill rod, the wrench and the drill bit, the cross sections of the drill rod and the wrench are both polygonal, larger torque can be borne, and the guidance of the drill bit is improved; only the drill bit is provided with the spiral cutting blade, and the wrench is not provided with the spiral cutting blade, so that the safety performance is greatly improved; the drill rod is anchored with the drill rod adapter through the bent arm pin, the upper end of the wrench is rapidly anchored through the locking device, the installation and the disassembly are very convenient, and all the parts are firmly connected.
In some embodiments, the locking device includes a base and a spring pin, the base is provided with a rectangular counter sink hole matched with a wrench, the top of the wrench is inserted into the rectangular counter sink hole, the outer side wall of the base is provided with a spring pin mounting hole, the spring pin comprises a lock shell, a lock core, a spring and a handle, the lock shell is provided with a lock core counter sink hole, the lock core is provided with a convex ring, a spring sleeve is arranged on the lock core and mounted in the lock shell, one end of the spring is abutted against the lock core counter sink hole, the other end of the spring is abutted against the convex ring, the lock shell is mounted in the spring pin mounting hole, the lock core is exposed out of one end of the spring pin mounting hole, the front end of the lock core extends out of the inner side wall of the base and into the lock core inserting hole under the free state of the spring, the upper end of the wrench. From this, before the assembly spanner, the operator stimulates the handle, and the spring is compressed on the lock core, and the lock core moves back to in the lock shell, and the top of spanner is pegged graft in the heavy platform hole of rectangle, loosens the handle, and the spring on the lock core is free state, and the front end of lock core extends out the inside wall of base and inserts in the lock core spliced eye, and the installation of spanner is dismantled swiftly, and connects firmly.
In some embodiments, the tail end of the lock shell is provided with a clamping portion, the side edge of the clamping portion is provided with a handle placing groove, the side edge of the handle placing groove is provided with a step portion, and the handle is clamped at the root of the step portion after the spring is compressed. Therefore, an operator pulls the handle and rotates, the lock cylinder retracts into the lock shell, the handle is clamped to the step part, and the wrench can slip out of the base of the locking device; the handle is clamped on the step part, so that the position of the lock core can be kept unchanged, the trouble that an operator needs to pull the handle in a consistent way is avoided, the operator can operate the handle independently, and the component installation is facilitated; the multiple steps at the tail end of the lock shell can enable one lock shell to be matched with springs and lock cylinders with multiple specifications, and the backspacing length of the lock cylinder can be adjusted.
In some embodiments, the handle includes a handle portion and a fixing pin, a pin hole for mounting the fixing pin is provided at an end of the lock cylinder exposed out of the spring pin mounting hole, and the handle portion is connected with the fixing pin.
In some embodiments, the end of the lock core away from the pull handle is provided with a bevel. Therefore, the end face of the lock cylinder adopts an inclined plane, the lock cylinder is mainly inserted into the lock cylinder inserting hole of the wrench more easily, and the processing is convenient.
In some embodiments, the spring pin mounting hole is provided at two locations, respectively located at two opposite outer side walls of the base. Therefore, the spring pins on the two sides enable the wrench to be firmly installed with the base.
In some embodiments, a loop lock is attached to the end of the curved arm pin. Therefore, the drill rod is installed in the drill rod adapter, and after the drill rod is fixed through the bent arm pin, the ring lock is installed at the end, which is not bent, of the bent arm pin, and the ring lock can prevent the bent arm pin from slipping out of the drill rod adapter.
In some embodiments, the drill rod has a regular hexagonal cross-section and the drill rod adapter is provided with a regular hexagonal bore for mating with the drill rod.
In some embodiments, the center of the drill bit is a central vertical shaft with a rectangular cross section. Therefore, the central vertical shaft of the drill bit is improved from the traditional round shape to the rectangular shape, the torque bearing capacity of the drill bit is further improved, and the guidance of the drill bit is improved.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages that the structure is scientific and reasonable, the drill bit with the spiral cutting edge on the large surface in the prior art is replaced by combining the drill rod, the wrench and the drill bit, the cross section of the drill rod and the wrench adopts a polygon, the drill rod and the wrench can bear larger torque, and the guidance quality of the drill bit is good; only the drill bit is provided with the spiral cutting blade, and the wrench is not provided with the spiral cutting blade, so that the safety performance is greatly improved; both sides of the upper end of the wrench are anchored by spring pins of the locking device, the drill rod is anchored with the drill rod adapter by the bent arm pin, all the parts are firmly connected, and the assembly and disassembly are very convenient; the handles on the two sides are pulled and rotated, the handles are clamped to the root parts of the step parts, the lock cylinder is retracted into the lock shell, and the wrench can slip out of the base of the locking device; the central vertical shaft of the drill bit also adopts a rectangle to replace the traditional circle, thereby further improving the torque bearing capacity.
Drawings
Fig. 1 is a schematic structural view of an embodiment of the drilling tool for burying a utility pole;
FIG. 2 is a schematic view of the exploded structure of FIG. 1;
FIG. 3 is a schematic view of the installation of the drill rod adapter and locking device;
FIG. 4 is an exploded view of the spring pin;
FIG. 5 is a schematic top and front view of the lock housing;
fig. 6 is a perspective view of the lock case.
Detailed Description
The present invention will be further described with reference to the following embodiments.
As shown in fig. 1 to 3, the utility model discloses a buried wire pole drilling tool of an embodiment includes drilling rod 1, drilling rod adapter 2, locking device 3, spanner 4 and drill bit 5. One end of the bent arm pin 6 is straight and the other end is bent upward. Drilling rod 1 pegs graft and installs in drilling rod adapter 2, and drilling rod adapter 2 and drilling rod 1 all offer the through-hole that supplies the straight form end installation of crooked arm round pin 6, and drilling rod adapter 2 and drilling rod 1 are fixed through crooked arm round pin 6. Locking device 3 is connected in the drilling rod adapter 2 bottom, and the upper end of spanner 4 is detachable pegs graft in locking device 3, and the lower extreme of spanner 4 passes through connecting rod 41 and is connected with drill bit 5. The cross section of the drill rod 1 is a regular polygon with four or more sides, and the cross section of the wrench 4 is a rectangle. In this embodiment, the cross section of the drill rod 1 is a regular hexagon, the drill rod adapter 2 is provided with a regular hexagon hole matched with the drill rod 1, and the cross section of the wrench 4 is a square. The drill bit 5 with the spiral cutting blade on the large surface from bottom to top in the prior art is replaced by the combination of the drill rod 1, the wrench 4 and the drill bit 5, the cross sections of the drill rod 1 and the wrench 4 are all polygonal, larger torque can be borne, and the guidance of the drill bit 5 is improved. Only the drill bit 5 is provided with a spiral cutting blade, and the wrench 4 is not provided with the spiral cutting blade, so that the safety performance is greatly improved. The drill rod 1 is anchored with the drill rod adapter 2 through the bent arm pin 6, the upper end of the wrench 4 is rapidly anchored through the locking device 3, the installation and the disassembly are very convenient, and all parts are firmly connected.
As shown in fig. 3, the locking device 3 includes a base 31 and a spring pin 32, the base 31 is connected to the bottom of the drill rod adapter 2 through a bolt, the base 31 is provided with a rectangular counter sink hole 311 matched with the wrench 4, the top of the wrench 4 is inserted into the rectangular counter sink hole 311, and the outer side wall of the base 31 is provided with a spring pin mounting hole 312. As shown in fig. 4, the spring pin 32 includes a lock case 321, a lock cylinder 322, a spring 323, and a handle 324. The lock case 321 is provided with a lock cylinder counter sink hole 3211, the lock cylinder 322 is provided with a convex ring 3221, the spring 323 is sleeved on the lock cylinder 322 and is installed in the lock case 321, one end of the spring 323 abuts against the lock cylinder counter sink hole 3211, and the other end of the spring 323 abuts against the convex ring 3221. The lock case 321 is mounted in the spring pin mounting hole 312 and fixed by screws, and a handle 324 is mounted at one end of the lock cylinder 322 exposed out of the spring pin mounting hole 312. The upper end of spanner 4 is equipped with lock core spliced eye 42, and the front end of lock core 322 extends the inside wall of base 31 and to lock core spliced eye 42 under spring 323 free state, and the front end of lock core 322 is rolled back to in the lock shell 321 under spring 323 compressed state. Before assembling the wrench 4, an operator pulls the handle 324, the spring 323 on the lock cylinder 322 is compressed, the lock cylinder 322 is retracted into the lock case 321, the top of the wrench 4 is inserted into the rectangular counter sink hole 311, the handle 324 is loosened, the spring 323 on the lock cylinder 322 is in a free state, the front end of the lock cylinder 322 extends out of the inner side wall of the base 31 and is inserted into the lock cylinder insertion hole 42, and the wrench 4 is quick to install and disassemble and is firm to connect.
As shown in fig. 4 to 6, the end of the lock case 321 is provided with two opposite clamping portions 3212, a handle placing groove 3213 is provided between the two clamping portions 3212, a step portion 3214 is provided on the side of the handle placing groove 3213, the step portion 3214 is located on the clamping portion 3212, and the handle 324 is clamped at the root of the step portion 3214 of the clamping portion 3212 after the spring 323 is compressed. An operator pulls the handle 324 and rotates, the lock cylinder 322 retracts into the lock shell 321, the handle 324 is clamped at the root of the step portion 3214 of the clamping portion 3212, and the wrench 4 can slip out of the base 31 of the locking device 3; the handle 324 is clamped at the root of the stepped part 3214, so that the position of the lock cylinder 322 can be kept unchanged, the trouble that an operator needs to pull the handle 324 is avoided, the operator can operate the handle independently, and the installation of components is facilitated; the multiple steps 3214 may be provided at the end of the lock case 321, so that one lock case 321 can be matched with the springs 323 and the lock cylinders 322 of multiple specifications to adjust the retraction length of the lock cylinders 322.
As shown in fig. 4, in the present embodiment, the handle 324 includes a handle portion 3241 and a fixing pin 3242, a pin hole 3223 for mounting the fixing pin 3242 is disposed at one end of the lock cylinder 322 exposed to the spring pin mounting hole 312, the handle portion 3241 is U-shaped, and both ends of the handle portion 3241 are connected to both ends of the fixing pin 3242.
As shown in fig. 4, an inclined surface 3222 is adopted at an end of the lock cylinder 322 away from the handle 324, mainly for easier insertion of the lock cylinder 322 into the lock cylinder insertion hole 42 of the wrench 4, and also for convenience of processing.
As shown in fig. 3, the spring pin mounting hole 312 is provided at two locations, respectively located at two opposite outer sidewalls of the base 31. The double-sided spring pin 32 makes the mounting of the wrench 4 to the base 31 more secure. The end of the bent arm pin 6 is connected with a ring lock 7. The drill rod 1 is arranged in the drill rod adapter 2 and is fixed through the bent arm pin 6, a ring lock 7 is arranged at the end, not bent, of the bent arm pin 6, and the ring lock 7 can prevent the bent arm pin 6 from slipping out of the drill rod adapter 2.
As shown in fig. 2, the center of the drill bit 5 is a central vertical shaft 51 with a rectangular cross section. The central vertical shaft 51 of the drill bit 5 is improved from a traditional round shape to a rectangular shape, so that the torque bearing capacity of the drill bit 5 is further improved, and the guidance of the drill bit 5 is improved. In this embodiment, the cross section of the central vertical shaft 51 of the drill bit 5 is square, and is consistent with the cross section of the wrench 4.
The utility model has the advantages of being scientific and reasonable in structure, replaced the large-scale surface among the prior art from supreme drill bit 5 that has the helical cutting edge down through the mode that drilling rod 1, spanner 4 combine with drill bit 5, the cross section of drilling rod 1, spanner 4 adopts the polygon, can bear bigger moment of torsion, and drill bit 5's guidance quality is good. Only the drill bit 5 is provided with a spiral cutting blade, and the wrench 4 is not provided with the spiral cutting blade, so that the safety performance is greatly improved. Both sides of the upper end of the wrench 4 are anchored by the spring pins 32 of the locking device 3, the drill rod 1 is anchored with the drill rod adapter 2 by the bent arm pins 6, all the parts are firmly connected, and the installation and the disassembly are very convenient. The handles 324 on the two sides are pulled and rotated, the handles 324 are clamped at the root parts of the step parts 3214 of the clamping parts 3212, the lock cylinder 322 is retracted into the lock shell 321, the wrench 4 can slide off from the base 31 of the locking device 3, and the multiple step parts 3214 at the tail end of the lock shell 321 enable one lock shell 321 to be matched with springs 323 and lock cylinders 322 of multiple specifications. The central vertical shaft 51 of the drill bit 5 is also rectangular instead of conventional circular, so that the torque bearing capacity is further improved.
The foregoing is only a few embodiments of the present invention, and it should be noted that, for those skilled in the art, other modifications and improvements can be made without departing from the inventive concept of the present invention, and all of them belong to the protection scope of the present invention.

Claims (9)

1. Bury wire pole drilling tool for drilling, its characterized in that, including drilling rod (1), drilling rod adapter (2), locking device (3), spanner (4) and drill bit (5), drilling rod (1) is installed in drilling rod adapter (2), and fixes through crooked arm round pin (6), locking device (3) are connected in drilling rod adapter (2) bottom, the detachable grafting in locking device (3) in upper end of spanner (4), the lower extreme of spanner (4) passes through connecting rod (41) and is connected with drill bit (5), the cross section of drilling rod (1) is four or four regular polygon more than, the cross section of spanner (4) is the rectangle.
2. The drilling tool for burying the telegraph pole for drilling is characterized in that the locking device (3) comprises a base (31) and a spring pin (32), the base (31) is provided with a rectangular counter sink hole (311) matched with a wrench (4), the top of the wrench (4) is inserted into the rectangular counter sink hole (311), the outer side wall of the base (31) is provided with a spring pin mounting hole (312), the spring pin (32) comprises a lock shell (321), a lock core (322), a spring (323) and a handle (324), the lock shell (321) is provided with a lock core counter sink hole (3211), the lock core (322) is provided with a convex ring (3221), the spring (323) is sleeved in the lock core (322) and mounted in the lock shell (321), one end of the spring (323) is abutted against the lock core counter sink hole (3211), and the other end of the spring (323) is abutted against the convex ring (3221), the lock shell (321) is installed in the spring pin installation hole (312), one end, exposed out of the spring pin installation hole (312), of the lock cylinder (322) is provided with a handle (324), the upper end of the wrench (4) is provided with a lock cylinder insertion hole (42), the front end of the lock cylinder (322) extends out of the inner side wall of the base (31) and into the lock cylinder insertion hole (42) in a free state of the spring (323), and the front end of the lock cylinder (322) returns back into the lock shell (321) in a compression state of the spring (323).
3. The drilling tool for burying the telegraph pole for drilling according to claim 2, wherein a clamping portion (3212) is arranged at the tail end of the lock shell (321), a handle placing groove (3213) is arranged on the side edge of the clamping portion (3212), a step portion (3214) is arranged on the side edge of the handle placing groove (3213), and the handle (324) is clamped at the root of the step portion (3214) after the spring (323) is compressed.
4. The drilling tool for burying telegraph poles as claimed in claim 3, wherein the handle (324) comprises a handle portion (3241) and a fixing pin (3242), the end of the lock cylinder (322) exposed out of the spring pin mounting hole (312) is provided with a pin hole (3223) for mounting the fixing pin (3242), and the handle portion (3241) is connected with the fixing pin (3242).
5. The drilling tool for boring a telegraph pole according to claim 4, wherein the end of the lock cylinder (322) far away from the handle (324) is provided with a slope (3222).
6. Drilling tool for boring a buried utility pole according to claim 5, characterized in that the spring pin mounting hole (312) is provided in two places, respectively on two opposite outer side walls of the base (31).
7. Drilling tool for buried utility poles according to claim 1 or 6, characterized in that the end of the bent arm pin (6) is connected with a ring lock (7).
8. Drilling tool for buried utility pole drilling according to claim 7, characterized in that the cross section of the drill rod (1) is regular hexagon, and the drill rod adapter (2) is provided with regular hexagon holes matching with the drill rod (1).
9. Drilling tool for buried utility poles according to claim 1 or 8, characterized in that the centre of the drill bit (5) is a central vertical shaft (51) with rectangular cross section.
CN201920990157.1U 2018-11-29 2019-06-28 Drilling tool for burying telegraph pole Active CN210105761U (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2018219884686 2018-11-29
CN201821988468 2018-11-29

Publications (1)

Publication Number Publication Date
CN210105761U true CN210105761U (en) 2020-02-21

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Application Number Title Priority Date Filing Date
CN201920990157.1U Active CN210105761U (en) 2018-11-29 2019-06-28 Drilling tool for burying telegraph pole

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CN (1) CN210105761U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117404038A (en) * 2023-12-12 2024-01-16 贵州桥梁建设集团有限责任公司 Drilling device for excavating rock mass

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117404038A (en) * 2023-12-12 2024-01-16 贵州桥梁建设集团有限责任公司 Drilling device for excavating rock mass
CN117404038B (en) * 2023-12-12 2024-03-12 贵州桥梁建设集团有限责任公司 Drilling device for excavating rock mass

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