CN212614559U

CN212614559U - Rotary drilling rod square head specification converter

Info

Publication number: CN212614559U
Application number: CN202021153549.1U
Authority: CN
Inventors: 刘国庆; 王浩
Original assignee: Xuzhou Shenli Machinery Technology Co ltd
Current assignee: Xuzhou Shenli Machinery Technology Co ltd
Priority date: 2020-06-20
Filing date: 2020-06-20
Publication date: 2021-02-26
Anticipated expiration: 2030-06-20

Abstract

The utility model discloses a rotary digging machine technical field, dig drilling rod square head specification converter soon, including drilling rod and drill bit layer board, the drilling rod lower extreme is equipped with damping device, the damping device lower extreme is equipped with the connecting plate, terminal surface center department is equipped with the connecting sleeve under the connecting plate, the connecting sleeve outer lane bottom all around evenly is equipped with connecting shell, the connecting sleeve front end face is equipped with the screw hole, and the screw hole rear end runs through the connecting sleeve rear end face, the terminal surface evenly is equipped with the fixture block under the connecting plate, drill bit layer board up end center department is equipped with the connecting block, the connecting block front end face is equipped with the through-hole, and the through-hole runs through the connecting block to the connecting block rear end face, the connecting block outer lane bottom all around evenly is equipped with the connection piece, drill bit layer board up end evenly is equipped with the combination key, the terminal surface center department, the convenience of work is improved.

Description

Rotary drilling rod square head specification converter

Technical Field

The utility model relates to a dig quick-witted technical field soon specifically is a dig drilling rod square head specification converter soon.

Background

The rotary drilling rig is a construction machine widely applied to hole forming operation of cast-in-situ bored piles in foundation engineering. The drilling bored concrete pile is mainly suitable for construction of soil layers such as gravel, cohesive soil, silty soil, weathered rock and the like, and three main transmission components for forming holes by a rotary drilling rig are as follows: the power head, the drill rod and the drill bit are used for transmitting torque, the drill rod is rotated, the drill rod is connected with the drill bit, the drill bit is rotated to cut soil, different drill bits need to be replaced when the existing rotary drilling machine drills, the specifications of the drill bits are different, the specifications of square heads at the upper ends of the drill bits are different, different rotary drilling machines are needed when different holes are drilled, operation is complex, working efficiency is low, and therefore the rotary drilling rod square head specification converter is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dig drilling rod square head specification converter soon to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a dig drilling rod square head specification converter soon, includes drilling rod and drill bit layer board, the drilling rod lower extreme is equipped with damping device, the damping device lower extreme is equipped with the connecting plate, terminal surface center department is equipped with the connecting sleeve under the connecting plate, the bottom all around of connecting sleeve outer lane evenly is equipped with the connection casing, the terminal surface is equipped with the screw hole before the connecting sleeve, and screw hole rear end through connection sleeve rear end face, the terminal surface evenly is equipped with the fixture block under the connecting plate, drill bit layer board up end center department is equipped with the connecting block, the terminal surface is equipped with the through-hole before the connecting block, and through-hole through connection piece to connecting block rear end face, the connecting block outer lane bottom all around evenly is equipped with the connection piece, drill bit layer board up end evenly is equipped with the combination.

Preferably, the combination key is matched with the clamping block, the length of the clamping block and the length of the combination key are larger than half of the depth of the connecting sleeve, the clamping block is provided with twelve groups, and the combination key is provided with six groups.

Preferably, the diameter of the threaded hole is equal to that of the through hole, the threaded hole is communicated with the through hole, a bolt is arranged on the front end face of the threaded hole and penetrates through the threaded hole and the through hole to reach the rear end face of the connecting sleeve.

Preferably, the connecting shell is matched with the connecting sheets, four groups of connecting shells and connecting sheets are uniformly arranged, and the connecting shells and the connecting sheets are respectively arranged at the bottoms of the connecting sleeve and the connecting block in an annular array.

Preferably, the connecting sleeve is matched with the connecting block, and the heights of the connecting sleeve and the connecting block are equal.

Preferably, the lower parts of the spiral blades are uniformly provided with slotted claws, and the lower end surface of the fixed drill rod is provided with a conical sharp corner.

Compared with the prior art, the beneficial effects of the utility model are that: adopt connecting plate, drill bit layer board, connecting sleeve, connecting block, connecting casing, connection piece, screw hole, through-hole and bolt, guarantee that the connecting block can be placeed inside connecting sleeve, utilize bolt fixed connection connecting sleeve and connecting block to guarantee that the connecting block can be placeed in connecting casing inner chamber, even the connecting block is less than connecting sleeve, the connection piece is with the cooperation of connecting casing, guarantee that the drill bit is stable, change different drill bits and also can guarantee stably.

Adopt fixture block, combination key, connecting plate and drill bit layer board, even the specification of connecting block and connection piece is little, as long as the bolt can link together with fixed connection sleeve and connecting block, fixture block and combination key match and cooperate, guarantee that square head and drill bit can stable connection, and the fixture block can unload partly torsional force with the combination key cooperation, guarantee that the square head converter can adapt to the different drill bit of specification.

Drawings

FIG. 1 is a diagram: the utility model discloses a structural schematic diagram of a rotary drilling rod square head specification converter;

FIG. 2 is a diagram of: the structure of the drill rod of the utility model is schematically shown;

FIG. 3 is a diagram of: the utility model discloses a drill bit structure schematic diagram;

FIG. 4 is a diagram of: the utility model discloses fixture block and combination key structure sketch map.

In the figure: 1. a drill stem; 2. a damping device; 3. a connecting plate; 4. a clamping block; 5. connecting the shell; 6. a threaded hole; 7. a connecting sleeve; 8. a through hole; 9. connecting blocks; 10. connecting sheets; 11. a combination key; 12. a drill bit support plate; 13. helical leaves; 14. fixing a drill rod; 15. and (4) bolts.

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1 and fig. 2, the present invention provides a technical solution: the utility model provides a dig drilling rod square head specification converter soon, including drilling rod 1 and drill

bit layer board

12, 1 lower extreme of drilling rod is equipped with

damping device

2, 2 lower extremes of damping device are equipped with connecting plate 3, terminal surface center department is equipped with connecting sleeve 7 under 3 connecting plates, 7 outer lanes of connecting sleeve all around the bottom evenly are equipped with connecting shell 5, the terminal surface is equipped with screw hole 6 before the connecting sleeve 7, and 6 rear end through connecting sleeve 7 rear end of screw hole, the terminal surface evenly is equipped with fixture block 4 under 3 connecting plates, damping device 2 is the spring, 1 lower terminal surface of spring upper end fixed connection drilling rod, and spring other end fixed connection connecting plate 3, connecting sleeve 7 is the cavity form, connecting shell 5 is the right triangle shape, and connecting shell 5 inner chamber and 7 inner chambers of connecting.

Referring to fig. 1 and 3, a connecting block 9 is disposed at the center of the upper end face of a drill supporting plate 12, a through hole 8 is disposed on the front end face of the connecting block 9, the through hole 8 penetrates through the connecting block 9 to the rear end face of the connecting block 9, connecting pieces 10 are uniformly disposed at the bottom of the periphery of the outer ring of the connecting block 9, combination keys 11 are uniformly disposed on the upper end face of the drill supporting plate 12, a fixed drill rod 14 is disposed at the center of the lower end face of the drill supporting plate 12, spiral blades 13 are disposed on the outer wall of the.

Referring to fig. 1 and 4, the combination key 11 is matched with the fixture block 4, the length of the fixture block 4 and the length of the combination key 11 are greater than half of the depth of the connecting sleeve 7, twelve groups of the fixture blocks 4 are provided, six groups of the combination keys are provided, so that the fixture block 4 and the combination key 11 can be guaranteed to be staggered with each other, two rings of the fixture block 4 are provided, the combination key 11 is clamped between the two groups of the fixture blocks 4, and the torsion force can be guaranteed to be absorbed by the fixture block 4 and the combination key 11 when the drill rod and the drill bit rotate.

Referring to fig. 1, the diameter of the threaded hole 6 is equal to that of the through hole 8, the threaded hole 6 is communicated with the through hole 8, a bolt 15 is arranged on the front end face of the threaded hole 6, and the bolt 15 penetrates through the threaded hole 6 and the through hole 8 to the rear end face of the connecting sleeve 7, so that the drill bit and the drill rod 1 are fixedly connected, and a decisive role is played.

Referring to fig. 1, 2 and 3, the connecting shell 5 is matched with the connecting pieces 10, four groups of the connecting shells 5 and the connecting pieces 10 are uniformly arranged, the connecting shells 5 and the connecting pieces 10 are respectively arranged at the bottoms of the connecting sleeves 7 and the connecting blocks 9 in an annular array, and the connecting blocks 9 enter the inner cavities of the connecting sleeves 7, so that the connecting pieces 10 are driven to enter the inner cavities of the connecting shells, and the connecting blocks 9 are ensured not to be loosened in the inner cavities of the connecting sleeves 7.

Referring to fig. 1, the connecting sleeve 7 is matched with the connecting block 9, the heights of the connecting sleeve 7 and the connecting block 9 are equal, and the cross-sectional area of the connecting block 9 is equal to that of the inner cavity of the connecting sleeve 7, so that the connecting block 9 can be inserted into the inner cavity of the connecting sleeve 7.

Example 2

The slotting claw and the sharp corner are added on the basis of the embodiment 1, referring to fig. 1, the slotting claw is uniformly arranged on the lower portion of the spiral blade 13, the conical sharp corner is arranged on the lower end face of the fixed drill rod 14, the drill rod 1 can drive the drill bit to rotate when the drill rod 1 rotates, the sharp corner and the slotting claw can ensure that the drill bit can quickly enter the soil, and the working efficiency is improved.

Compared with the embodiment 1, the slotting claw and the sharp corner are added, the sharp corner and the slotting claw can ensure that the drill bit can enter the soil quickly, and the working efficiency is improved.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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 a dig drilling rod square head specification converter soon, includes drilling rod (1) and drill bit layer board (12), its characterized in that: the shock absorption device (2) is arranged at the lower end of the drill rod (1), the connecting plate (3) is arranged at the lower end of the shock absorption device (2), the connecting sleeve (7) is arranged at the center of the lower end face of the connecting plate (3), the connecting shell (5) is uniformly arranged at the bottom of the periphery of the outer ring of the connecting sleeve (7), the threaded hole (6) is formed in the front end face of the connecting sleeve (7), the rear end of the threaded hole (6) penetrates through the rear end face of the connecting sleeve (7), the fixture block (4) is uniformly arranged on the lower end face of the connecting plate (3), the connecting block (9) is arranged at the center of the upper end face of the drill bit supporting plate (12), the through hole (8) is formed in the front end face of the connecting block (9), the connecting block (9) penetrates through the connecting block (9) to the rear end face of the connecting block (, the drill bit supporting plate is characterized in that a fixed drill rod (14) is arranged at the center of the lower end face of the drill bit supporting plate (12), and spiral blades (13) are arranged on the outer wall of the fixed drill rod (14).

2. The rotary drilling rod square head specification converter according to claim 1, characterized in that: the combined key (11) is matched with the clamping block (4), the lengths of the clamping block (4) and the combined key (11) are larger than half of the depth of the connecting sleeve (7), the clamping block (4) is provided with twelve groups, and the combined key is provided with six groups.

3. The rotary drilling rod square head specification converter according to claim 1, characterized in that: the diameter of the threaded hole (6) is equal to that of the through hole (8), the threaded hole (6) is communicated with the through hole (8), a bolt (15) is arranged on the front end face of the threaded hole (6), and the bolt (15) penetrates through the threaded hole (6) and the through hole (8) to reach the rear end face of the connecting sleeve (7).

4. The rotary drilling rod square head specification converter according to claim 1, characterized in that: the connecting shell (5) is matched with the connecting pieces (10), four groups of connecting shells (5) and the connecting pieces (10) are uniformly arranged, and the connecting shells (5) and the connecting pieces (10) are respectively arranged at the bottoms of the connecting sleeves (7) and the connecting blocks (9) in an annular array.

5. The rotary drilling rod square head specification converter according to claim 1, characterized in that: the connecting sleeve (7) is matched with the connecting block (9), and the heights of the connecting sleeve (7) and the connecting block (9) are equal.

6. The rotary drilling rod square head specification converter according to claim 1, characterized in that: the lower part of the spiral blade (13) is uniformly provided with slotted claws, and the lower end surface of the fixed drill rod (14) is provided with a conical sharp corner.