CN211974891U

CN211974891U - Rotary drilling mast connecting device capable of preventing external sundries from being clamped in

Info

Publication number: CN211974891U
Application number: CN202020455073.0U
Authority: CN
Inventors: 尤连兴; 陈金民; 王如兴; 王香平; 李学锋
Original assignee: Jiangyin Keyuan Machinery Co ltd
Current assignee: Jiangyin Keyuan Machinery Co ltd
Priority date: 2020-04-01
Filing date: 2020-04-01
Publication date: 2020-11-20
Anticipated expiration: 2030-04-01

Abstract

The utility model discloses a prevent digging soon that outside debris card goes into and bore mast connecting device, including the mast, the mast left side has set the uide bushing, the slip has set the drilling rod in the uide bushing, the equal fixedly connected with of the upper and lower extreme of uide bushing is kept away from to a butt joint section of thick bamboo and a butt joint section of thick bamboo the end of uide bushing is the opening, the inside of a butt joint section of thick bamboo is provided with square frame body and square frame body fixed connection the uide bushing. The utility model discloses because the motor passes through resilience hinge swing joint on being in the inside square frame lateral wall of a butt joint section of thick bamboo, when elastic rubber film damages and needs to be changed, then separate earlier fixing bolt between butt joint section of thick bamboo and the uide bushing, then will take out from getting off to a butt joint section of thick bamboo, square frame just exposes with the rotary column of connection like this, make the motor area rotary column relative square frame lateral wall take place to rotate this moment, make the rotary column be in the square frame outside, then take out from getting off the rubber sleeve from the rotary column, have new elastic rubber film and rubber sleeve in the change.

Description

Rotary drilling mast connecting device capable of preventing external sundries from being clamped in

Technical Field

The utility model relates to a dig soon and bore technical field, specifically be a prevent that digging soon that outside debris card goes into bores mast connecting device.

Background

The digging drill is a construction process suitable for hole forming operation in building foundation engineering, is widely used for foundation construction engineering such as municipal construction, highway bridges, high-rise buildings and the like, is matched with different drilling tools, and is suitable for hole forming operation of dry (short spiral) or wet (rotary bucket) and rock stratum (core drill);

the common digging drill has the following disadvantages: the drill bit of the general digging drill is connected with the mast in a matching way, the mast has a guiding function to the digging drill, a guide sleeve is connected between the drill bit and the mast, and foreign objects can easily enter between the guide sleeve and the rod body connected with the drill bit because the rod body of the drill bit penetrates through the guide sleeve, so that abrasion is brought to the sliding between the guide sleeve and the rod body connected with the drill bit.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a what prevent that outside debris card is gone into digs soon bores mast connecting device to solve the problem that provides 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 prevent that external debris card is gone into to dig soon and bores mast connecting device, includes the mast, the guide sleeve has been set on the mast left side, the slip is set in the guide sleeve and is equipped with the drilling rod, the equal fixedly connected with butt joint section of thick bamboo of the upper and lower extreme of guide sleeve and the butt joint section of thick bamboo are kept away from the end of guide sleeve is the opening, the inside of butt joint section of thick bamboo is provided with square framework and square framework fixed connection the guide sleeve, and is adjacent the level is provided with the rotary column between the body of rod of square framework, the rotation end of rotary column is provided with the main shaft end fixed connection of motor and motor the rotary column, the rotary column outer wall encircles equidistance fixed.

Preferably, the outer wall all inclines to have seted up oblique guide surface about the butt joint section of thick bamboo upper end of upside position.

Preferably, the square frame body is fixedly connected with an annular stop block around the end head close to the opening of the butt joint barrel.

Preferably, the butt joint barrel and the butt joint end side wall of the guide sleeve are fixedly connected with connecting blocks, and fixing bolts penetrate through the connecting blocks.

Preferably, the rotating column is sleeved with a rubber sleeve, the elastic rubber film is connected to the outer wall of the rubber sleeve, and the outer wall of the motor is movably connected to the outer wall of the square frame.

Preferably, the docking barrel is made of a hard steel material.

Compared with the prior art, the beneficial effects of the utility model are that:

1. when the drill rod moves up and down in the guide sleeve, the motors distributed around the inside of the butt joint barrel arranged at the lower end of the guide sleeve drive the rotating columns to rotate, the rotating columns drive the elastic rubber sheets to rotate, and the entering sundries are pushed and discharged to the outer side of the butt joint barrel, so that the side wall of the drill rod is prevented from being abraded in the guide sleeve;

2. the utility model discloses because the motor passes through resilience hinge swing joint on being in the inside square frame lateral wall of a butt joint section of thick bamboo, when elastic rubber film damages and needs to be changed, then separate earlier fixing bolt between butt joint section of thick bamboo and the uide bushing, then will take out from getting off to a butt joint section of thick bamboo, square frame just exposes with the rotary column of connection like this, make the motor area rotary column relative square frame lateral wall take place to rotate this moment, make the rotary column be in the square frame outside, then take out from getting off the rubber sleeve from the rotary column, have new elastic rubber film and rubber sleeve in the change.

Drawings

FIG. 1 is a schematic view of the overall structure of a rotary drilling mast connection device for preventing external sundries from being clamped in;

FIG. 2 is an enlarged cross-sectional view of the docking cylinder, the square frame and the rotary column in the rotary drilling mast connection device for preventing the external foreign material from being jammed therein;

FIG. 3 is a three-dimensional structure diagram of a square frame of the rotary drilling mast connection device for preventing external sundries from being jammed therein;

fig. 4 is a overlooking structure diagram of the connection between the motor and the square frame body in the rotary drilling mast connecting device for preventing the external sundries from being blocked.

In the figure: 1. a mast; 2. a guide sleeve; 3. a docking barrel; 4. turning the column; 5. a drill stem; 6. connecting blocks; 7. fixing the bolt; 8. an elastic rubber sheet; 9. a square frame body; 10. a rubber sleeve; 11. an annular stop block; 12. a motor.

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.

Referring to fig. 1-4, the present invention provides a technical solution: a rotary drilling mast connecting device for preventing external sundries from being clamped comprises a mast 1, wherein a guide sleeve 2 is arranged on the left side of the mast 1, a drill rod 5 is arranged in the guide sleeve 2 in a sliding mode, the upper end and the lower end of the guide sleeve 2 are fixedly connected with a butt joint barrel 3, the end, far away from the guide sleeve 2, of the butt joint barrel 3 is an opening, a square frame body 9 is arranged inside the butt joint barrel 3, the square frame body 9 is fixedly connected with the guide sleeve 2, a rotary column 4 is horizontally arranged between rod bodies of adjacent square frame bodies 9, a motor 12 is arranged at the rotating end of the rotary column 4, the main shaft end of the motor 12 is fixedly connected with the rotary column 4, the motor 12 is connected with the outer wall of the rod body of the square frame body 9, elastic rubber soft sheets 8 are fixedly connected with the outer wall of the rotary column 4 in an equidistant mode, when the external sundries enter the butt joint barrel 3 and flow into the inner portion of the guide sleeve 2, and the entered impurities are discharged to the outer side of the butt joint barrel 3, so that the impurities are prevented from entering the guide sleeve 2 to abrade the side wall of the drill rod 5.

The outer wall all inclines to have seted up oblique guide surface about 3 upper end of a butt joint section of thick bamboo of upside position, conveniently guides the debris that the rotary column 4 released through elastic rubber film 8 to slide away.

The end of the square frame 9 close to the opening of the butt joint barrel 3 surrounds the fixedly connected annular stop dog 11 and the annular stop dog 11 shields the position of the rotary column 4 close to the inner wall of the butt joint barrel 3, and the annular stop dog 11 prevents sundries discharged by the elastic rubber film 8 from entering between the rotary column 4 and the side wall of the butt joint barrel 3 again.

The butt joint section of thick bamboo 3 has fixing bolt 7 with the equal fixedly connected with connecting block 6 of butt joint end lateral wall of uide bushing 2 and the cross-under on the connecting block 6, when the butt joint section of thick bamboo 3 was dismantled down to needs for fixing bolt 7 dismantles, then takes off butt joint section of thick bamboo 3.

The rubber sleeve 10 and the elastic rubber film 8 are connected on the outer wall of the rubber sleeve 10 on the rotary column 4 in a sleeved mode, the outer wall of the motor 12 is elastically movably connected with the outer wall of the square frame body 9 through the rebound hinge, when the elastic rubber film 8 needs to be replaced, the butt joint barrel 3 is disassembled firstly, then the motor 12 is enabled to drive the rotary column 4 to rotate relative to the side wall of the square frame body 9, the rotary column 4 is enabled to be located in the outer side of the square frame body 9, then the rubber sleeve 10 is pulled out from the rotary column 4, and the rubber sleeve 10 is replaced to be provided with the new elastic rubber film 8 and the rubber sleeve 10.

The butt-joint barrel 3 is made of hard steel materials, so that deformation and damage are avoided.

The working principle is as follows: when the drill rod 5 of the utility model moves up and down in the guide sleeve 2, the butt joint barrel 3 arranged at the upper end and the lower end of the guide sleeve 2 rotates around the distributed motor 12 to drive the rotary column 4 to rotate, the rotary column 4 rotates along with the elastic rubber film 8, the entered sundries are pushed and discharged to the outer side of the butt joint barrel 3, the side wall of the drill rod 5 is prevented from entering the guide sleeve 2 to be abraded, because the motor 12 is movably connected on the side wall of the square frame body 9 in the butt joint barrel 3 through the rebound hinge, when the elastic rubber film 8 is damaged and needs to be replaced, the fixing bolt 7 between the butt joint barrel 3 and the guide sleeve 2 is firstly separated, then the butt joint barrel 3 is pulled out, so that the square frame body 9 and the connected rotary column 4 are exposed, at the moment, the motor 12 drives the rotary column 4 to rotate relative to the side wall of the square frame body 9, the rotary column 4 is positioned at the outer side of the square frame body 9, then the rubber sleeve 10 is pulled out from, the rubber sleeve 10 and the elastic rubber sheet 8 are replaced with new ones.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 prevent that external debris is gone into dig soon and bores mast connecting device, includes mast (1), its characterized in that: mast (1) left side has set uide bushing (2), sliding in uide bushing (2) and having set drilling rod (5), the equal fixedly connected with of upper and lower end of uide bushing (2) is to a connecting section of thick bamboo (3) and keep away from a connecting section of thick bamboo (3) the end of uide bushing (2) is the opening, the inside of a connecting section of thick bamboo (3) is provided with square frame (9) and square frame (9) fixed connection uide bushing (2), and is adjacent the level is provided with rotary column (4) between the body of rod of square frame (9), the rotation end of rotary column (4) is provided with motor (12) and the main shaft end fixed connection of motor (12) is in rotary column (4), rotary column (4) outer wall encircles equidistance fixed connection elasticity rubber film (8).

2. The rotary drilling mast connecting device capable of preventing external foreign objects from being clamped into the connecting device according to claim 1, is characterized in that: the outer wall all inclines to have seted up oblique guide surface about the butt joint section of thick bamboo (3) upper end of upside position.

3. The rotary drilling mast connecting device capable of preventing external foreign objects from being clamped into the connecting device according to claim 1, is characterized in that: the square frame body (9) is close to the end of the opening position of the butt joint barrel (3) and is fixedly connected with an annular stop block (11) in a surrounding mode.

4. The rotary drilling mast connecting device capable of preventing external foreign objects from being clamped into the connecting device according to claim 1, is characterized in that: the butt joint barrel (3) and the butt joint end side wall of the guide sleeve (2) are fixedly connected with a connecting block (6) and a fixing bolt (7) penetrates through the connecting block (6).

5. The rotary drilling mast connecting device capable of preventing external foreign objects from being clamped into the connecting device according to claim 1, is characterized in that: the rotary column (4) is sleeved with a rubber sleeve (10), an elastic rubber film (8) is connected to the outer wall of the rubber sleeve (10), and the outer wall of the motor (12) is movably connected to the outer wall of the square frame body (9).

6. The rotary drilling mast connecting device capable of preventing external foreign objects from being clamped into the connecting device according to claim 1, is characterized in that: the butt joint barrel (3) is made of hard steel materials.