CN210217644U

CN210217644U - Drill rod falling-off preventing device for head of rock drill

Info

Publication number: CN210217644U
Application number: CN201920533115.5U
Authority: CN
Inventors: Wei Xi; 席玮; Danlong Liu; 刘旦龙; Yahui Sun; 孙亚辉; Wenxian Wang; 王文贤; Junwei Kong; 孔军伟; Quanwu Zhang; 张全伍; Qiang Peng; 彭强; Qin Feng; 冯钦
Original assignee: Yongcheng Coal and Electricity Holding Group Co Ltd
Current assignee: Yongcheng Coal and Electricity Holding Group Co Ltd
Priority date: 2019-04-19
Filing date: 2019-04-19
Publication date: 2020-03-31
Anticipated expiration: 2029-04-19

Abstract

The utility model discloses a rock drill aircraft nose prevents drill rod device that drops, including the rock drill main part, the intermediate position department cover of rock drill main part lower extreme is equipped with the drilling rod, the last pot head on drilling rod surface is equipped with the solid board of card, the solid bolt of card is all installed at the both ends of the solid board of card, two the solid bolt of card about the solid board of card is the symmetric distribution, first mount and second mount are installed respectively through the activity bolt in the both sides of rock drill main part lower extreme, first fixed cover is installed to the lower extreme of first mount, first fixed cover is located one side of drilling rod, the fixed cover of second is installed to the lower extreme of second mount, the fixed cover of second is located one side of drilling rod, first fixed cover with one side of the fixed relative face of second all is provided with connecting portion. The utility model discloses a set up a series of structures and make this device have simple structure and place the characteristics that break away from.

Description

Drill rod falling-off preventing device for head of rock drill

Technical Field

The utility model relates to a mine equipment technical field specifically is a drilling rod device that drops is prevented to rock drill aircraft nose.

Background

The hole drilling in the rock in underground driving tunnel is usually YT-26 type rock drill, which inserts the drill rod into the sleeve of the drill rod tail line of rock drill and uses the drill rod clamp on the machine head to clamp the drill rod tail to prevent the drill rod from falling off. However, the rock drill has large impact force and higher vibration amplitude, when the rock drill is used for drilling holes in an underground field, the drill rod clamp and the drill rod are collided and then jump up and down seriously, the drill rod clamp is often tilted backwards and cannot clamp the drill rod tail of the drill rod, and the drill rod falls off, so that the machine head and the drill rod easily cause damage to a driver of the rock drill and nearby construction personnel.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a drilling rod sheds device is prevented to rock drill aircraft nose to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a device for preventing a drill rod from falling off of a rock drill machine head comprises a rock drill machine main body, wherein a drill rod is sleeved at the middle position of the lower end of the rock drill machine main body, a clamping and fixing plate is sleeved at the upper end of the surface of the drill rod, clamping and fixing bolts are installed at the two ends of the clamping and fixing plate and are symmetrically distributed relative to the clamping and fixing plate, a first fixing frame and a second fixing frame are respectively installed on the two sides of the lower end of the rock drill machine main body through movable bolts, a first fixing sleeve is installed at the lower end of the first fixing frame and is located on one side of the drill rod, a second fixing sleeve is installed at the lower end of the second fixing frame and is located on one side of the drill rod, connecting parts are arranged on one side of the opposite surfaces of the first fixing sleeve and the second fixing sleeve, the connecting parts are fixedly connected through fixing bolts and fixing nuts, and the first fixing sleeve, the drill pipe fixing device is characterized in that a telescopic spring sleeve is sleeved inside the first fixing sleeve, the drill pipe is sleeved inside the telescopic spring sleeve, and the upper end of the telescopic spring sleeve is fixedly connected with the clamping and fixing plate.

Preferably, the first fixing frame and the second fixing frame are located on two sides of the drill rod and are symmetrically distributed.

Preferably, the first and second fixed sleeves are symmetrically distributed about the drill rod.

Preferably, the two sides of the upper end of the surface of the telescopic spring sleeve are both provided with clamping grooves, and the clamping bolts are sleeved inside the clamping grooves.

Preferably, the upper end of the surface of the drill rod is sleeved with a fixed screw cap.

Preferably, the fixing screw cap is fixedly connected with the upper ends of the surfaces of the first fixing sleeve and the second fixing sleeve.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of being scientific and reasonable in structure, convenience safe in utilization, setting through first mount, make the integrated device have fine equipment effect, will fix the spiral shell lid, the solid board of card and the surface that embolias the drilling rod in proper order of expansion spring housing, adjust first mount and second mount through the movable bolt, establish first mount and second mount with the drilling rod cover through fixing bolt and fixation nut in inside, embolia first mount and second mount with the expansion spring housing inside, and it is fixed through the solid board of card, cover fixed spiral shell lid at last, the fixed mounting and the dismantlement of integrated device have been made things convenient for.

Through the setting of the telescopic spring sleeve, the whole device has a good fixing effect, when the drill rod moves up and down, the drill rod moves under the action of the telescopic spring sleeve, the clamping plate and the telescopic spring sleeve are connected, the drill rod and the telescopic spring sleeve are conveniently and fixedly connected, meanwhile, the drill rod is prevented from falling under the action of the fixed screw cap, and the long-term use of the drill rod is facilitated.

Drawings

FIG. 1 is a schematic diagram of the structure of the device of the present invention;

FIG. 2 is an enlarged schematic view of the present invention at A in FIG. 1;

fig. 3 is a schematic top view of the first and second covers of the present invention.

In the figure: the drilling machine comprises a rock drill main body 1, a drill rod 2, a movable bolt 3, a first fixing frame 4, a second fixing frame 5, a first fixing sleeve 6, a second fixing sleeve 7, a telescopic spring sleeve 8, a connecting part 9, a clamping plate 10, a fixed screw cap 11 and a clamping bolt 12.

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. 1-3, the present invention provides a technical solution: a technical scheme of a device for preventing a drill rod from falling off from a head of a rock drill comprises a rock drill main body 1, a drill rod 2 is sleeved at the middle position of the lower end of the rock drill main body 1, a clamping and fixing plate 10 is sleeved at the upper end of the surface of the drill rod 2, clamping and fixing bolts 12 are respectively installed at two ends of the clamping and fixing plate 10, the two clamping and fixing bolts 12 are symmetrically distributed around the clamping and fixing plate 10, a first fixing frame 4 and a second fixing frame 5 are respectively installed at two sides of the lower end of the rock drill main body 1 through movable bolts 3, a first fixing sleeve 6 is installed at the lower end of the first fixing frame 4, the first fixing sleeve 6 is located at one side of the drill rod 2, a second fixing sleeve 7 is installed at the lower end of the second fixing frame 5, the second fixing sleeve 7 is located at one side of the drill rod 2, connecting parts 9 are respectively arranged at one side of opposite surfaces of the first fixing, the inside cover of first fixed cover 6 is equipped with telescopic spring cover 8, and telescopic spring cover 8's inside cover is equipped with drilling rod 2, and telescopic spring cover 8's upper end and solid board 10 fixed connection of card.

Preferably, the first fixing frame 4 and the second fixing frame 5 are located on two sides of the drill rod 2 and symmetrically distributed, so that the first fixing frame 4 and the second fixing frame 5 can fix the drill rod 2.

Preferably, the first and second housings 6, 7 are symmetrically distributed with respect to the drill rod 2, facilitating the mounting of the housings.

Preferably, the two sides of the upper end of the surface of the telescopic spring sleeve 8 are both provided with a clamping groove, and a clamping bolt 12 is sleeved inside the clamping groove, so that the drill rod 2 and the spring sleeve 8 are fixedly connected.

Preferably, the upper end of the surface of the drill rod 2 is sleeved with a fixed screw cap 11 to avoid the separation of the telescopic spring sleeve 8.

Preferably, the fixing screw cap 11 is fixedly connected with the upper ends of the surfaces of the first fixing sleeve 6 and the second fixing sleeve 7, so as to facilitate the fixed installation of the telescopic spring sleeve 8.

The working principle is as follows: the fixed screw cap 11, the clamping plate 10 and the telescopic spring sleeve 8 are sequentially sleeved on the surface of the drill rod 2, the first fixing frame 4 and the second fixing frame 5 are adjusted through the movable bolt 3, the drill rod 2 is sleeved inside the first fixing frame 4 and the second fixing frame 5 through the fixing bolt and the fixing nut, the telescopic spring sleeve 8 is sleeved inside the first fixing frame 4 and the second fixing frame 5 and is fixed through the clamping plate 10, and finally the fixed screw cap 11 is covered, so that the fixed installation and the disassembly of the integral device are facilitated, the integral device has a good assembly effect through the arrangement of the first fixing frame 4, the integral device has a good fixing effect through the arrangement of the telescopic spring sleeve 8, when the drill rod 2 moves up and down, the drill rod moves under the action of the telescopic spring sleeve 8, the clamping plate 10 is connected with the telescopic spring sleeve 8, so that the fixed connection of the drill rod 2 and the telescopic spring sleeve 8 is facilitated, meanwhile, the falling of the drill rod 2 is avoided under the action of the fixed screw cap 11, and the long-term use of the drill rod 2 is facilitated.

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 device that drilling rod drops is prevented to rock drill aircraft nose, includes rock drill main part (1), its characterized in that: the drill rod (2) is sleeved at the middle position of the lower end of the rock drill main body (1), a clamping and fixing plate (10) is sleeved at the upper end of the surface of the drill rod (2), clamping and fixing bolts (12) are installed at two ends of the clamping and fixing plate (10), the clamping and fixing bolts (12) are symmetrically distributed relative to the clamping and fixing plate (10), a first fixing frame (4) and a second fixing frame (5) are respectively installed at two sides of the lower end of the rock drill main body (1) through movable bolts (3), a first fixing sleeve (6) is installed at the lower end of the first fixing frame (4), the first fixing sleeve (6) is located at one side of the drill rod (2), a second fixing sleeve (7) is installed at the lower end of the second fixing frame (5), the second fixing sleeve (7) is located at one side of the drill rod (2), and connecting portions (9) are arranged at one sides of opposite surfaces of the first fixing sleeve (6) and the second fixing sleeve, through fixing bolt and fixation nut fixed connection between connecting portion (9), first fixed cover (6) with the fixed cover of second (7) fixed connection, the inside cover of first fixed cover (6) is equipped with telescopic spring cover (8), the inside cover of telescopic spring cover (8) is equipped with drilling rod (2), the upper end of telescopic spring cover (8) with card solid board (10) fixed connection.

2. The rock drill head drill rod drop prevention device according to claim 1, characterized in that: the first fixing frame (4) and the second fixing frame (5) are located on two sides of the drill rod (2) and are symmetrically distributed.

3. The rock drill head drill rod drop prevention device according to claim 1, characterized in that: the first fixing sleeve (6) and the second fixing sleeve (7) are symmetrically distributed with respect to the drill rod (2).

4. The rock drill head drill rod drop prevention device according to claim 1, characterized in that: clamping grooves are formed in the two sides of the upper end of the surface of the telescopic spring sleeve (8), and the clamping bolts (12) are sleeved inside the clamping grooves.

5. The rock drill head drill rod drop prevention device according to claim 4, characterized in that: the upper end of the surface of the drill rod (2) is sleeved with a fixed screw cap (11).

6. A rock drill head drill rod drop prevention device according to claim 5, characterized in that: the fixed screw cap (11) is fixedly connected with the upper ends of the surfaces of the first fixed sleeve (6) and the second fixed sleeve (7).