CN215057508U

CN215057508U - Loose surrounding rock anchor rod cable drilling tool for soft coal rock

Info

Publication number: CN215057508U
Application number: CN202121347346.0U
Authority: CN
Inventors: 李川川; 刘勇; 薛彦文; 马文兵; 张吉祥
Original assignee: HUAJIN COKING COAL CO Ltd
Current assignee: HUAJIN COKING COAL CO Ltd
Priority date: 2021-06-17
Filing date: 2021-06-17
Publication date: 2021-12-07
Anticipated expiration: 2031-06-17

Abstract

The utility model discloses a loose country rock stock cable drilling tool for soft coal petrography, including stock cable drilling tool body, the stock cable drilling tool body includes that outer tube and drill bit connect the hollow pole, and the bottom fixed mounting of drill bit connection hollow pole has the drill bit, has seted up two slag holes on the front side inner wall of outer tube, the bottom fixed connection of outer tube has the installation cover, and installation cover movable sleeve is established on drill bit connection hollow pole, be provided with on the installation cover with drill bit connection hollow pole matched with quick card solid mechanism; the quick clamping mechanism comprises first grooves which are respectively arranged on the inner walls of the two sides of the mounting sleeve. The utility model relates to a rationally, be convenient for realize changing the operation to the dismouting of drill bit fast through simple pivoted mode, avoid one by one a plurality of bolts of dismouting, improve and change efficiency, and through the solid mounting means of the fixed cooperation card of centre gripping, improve connection stability, reduce the risk of droing in the drill bit use.

Description

Loose surrounding rock anchor rod cable drilling tool for soft coal rock

Technical Field

The utility model relates to an anchor rod cable drilling instrument technical field especially relates to a loose country rock anchor rod cable drilling instrument for soft coal petrography.

Background

In a soft and broken rock mass of a mine, because the soft and broken rock mass deforms, a supporting system is damaged, so that roadway pieces collapse, grouting reinforcement, anchor bolt support, anchor net spraying, shed frames and masonry modes are generally adopted for supporting, and the supporting principles of grouting reinforcement, anchor bolt support and anchor net spraying are all established under the condition that anchor rod (cable) holes can be normally drilled.

The present loose country rock stock cable drilling tool, it need bore different drilling according to the size needs of installation stock when the drilling, consequently need use not the shortcoming that the quick drill bit of being convenient for changed in its existence of unidimensional drill bit according to actual need, through the fixed mode of a plurality of bolts of hollow pole cooperation between current drill bit and the outer tube of drill bit connection, when changing, need dismantle the bolt one by one, change inefficiency, can not satisfy the user demand, therefore we have proposed a loose country rock stock cable drilling tool that is used for soft coal rock and have been used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a loose surrounding rock anchor rod cable drilling tool for soft coal rocks.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a loose country rock stock cable drilling instrument for soft coal petrography, includes stock cable drilling instrument body, the pole in the outer tube and the drill bit connection are drawn together to stock cable drilling instrument body, and the bottom fixed mounting that the pole was drawn together to the drill bit connection has the drill bit, has seted up two slag holes on the front side inner wall of outer tube, the bottom fixedly connected with installation cover of outer tube, installation cover movable sleeve establish on the pole is connected to the drill bit, be provided with on the installation cover and be connected the quick clamping mechanism of pole matched with in the drill bit.

Preferably, the rapid clamping mechanism comprises first grooves respectively formed on the inner walls of two sides of the mounting sleeve, clamping plates are respectively arranged in the two first grooves, clamping blocks are fixedly connected to one sides of the two clamping plates close to each other, clamping grooves are respectively formed in two sides of the drill bit connected with the hollow rod, one sides of the two clamping blocks close to each other respectively extend into the corresponding clamping grooves, screws are fixedly connected to one sides of the two clamping plates far away from each other, an internal thread sleeve is rotatably mounted on the inner wall of one side of the two first grooves far away from each other, the internal thread sleeve is in threaded sleeve connection with the corresponding screws, positioning rods are fixedly connected to one sides of the two clamping plates far away from each other, the mounting sleeve is slidably sleeved on the two positioning rods, a first bevel gear is fixedly sleeved on the internal thread sleeve, the two first bevel gears are symmetrically arranged, a second bevel gear is meshed on one side of the top of the first bevel gear, and a rotating shaft is fixedly connected to the top of the second bevel gear, first through-hole has been seted up to one side of installation cover, the inside alternately intercommunication of first through-hole and installation cover, the top of pivot extends to in the first through-hole and the first gear of fixedly connected with, the cover is equipped with outer ring gear on the hollow rod in the drill bit connection, outer ring gear rotates and installs on the bottom inner wall of first through-hole, outer ring gear meshes with two first gears mutually, the installation cover rotates the cover and establishes in two pivots, lie in the top fixedly connected with circle axle of left first gear in two first gears, the top of circle axle extends to the top and the fixedly connected with knob of installation cover.

Preferably, the rectangular hole has all been seted up to one side that two first grooves kept away from each other, the inner wall of rectangular hole and the outside sliding connection of the locating lever that corresponds, and the spacing groove has been seted up at the top of locating lever, and one side that two spacing grooves are close to each other all establishes to the opening, fixedly connected with stopper on the top inner wall of rectangular hole, stopper and the spacing groove sliding connection who corresponds.

Preferably, a first circular hole is formed in the inner wall, away from each other, of one side of each of the two first grooves, a first bearing is fixedly sleeved in the first circular hole, and the inner ring of the first bearing is fixedly connected with the outer side of the corresponding inner thread sleeve.

Preferably, a second circular hole is formed in the inner wall of the top of the first groove and communicated with the first through hole, a second bearing is fixedly sleeved in the second circular hole, and the inner side of the inner ring of the second bearing is fixedly connected with the outer side of the corresponding rotating shaft.

Preferably, a rotating groove is formed in the inner wall of the bottom of the first through hole and is communicated with the inside of the mounting sleeve in a crossed mode, a large bearing is fixedly arranged in the rotating groove in a fixed mode, a rotating pipe is fixedly connected to the bottom of the outer gear ring, the bottom end of the rotating pipe extends into the rotating groove, and the outer side of the rotating pipe is fixedly connected with the inner side of an inner ring of the large bearing.

Preferably, the anti-slip rubber is fixedly bonded to one side, close to each other, of each clamping plate, the anti-slip rubber is fixedly sleeved on the corresponding clamping block, and one side, close to each other, of each anti-slip rubber is in movable contact with two sides of the hollow rod connected with the drill bit respectively.

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

the drill bit is connected with the hollow rod through the outer sleeve, the drill bit is connected with the hollow rod, the drill bit is connected with the slag hole, the mounting sleeve is connected with the anti-skid rubber sheet, the first groove is formed in the clamping plate, the positioning rod is arranged on the screw rod, the inner thread sleeve is arranged on the inner thread sleeve, the first bevel gear, the second bevel gear, the rotating shaft, the first through hole, the outer gear ring, the first gear, the clamping groove, the clamping block and the rotating pipe are matched with the knob, when the drill bit is replaced, the forward rotating knob drives the first gear on the left side to rotate through the round shaft, the first gear on the left side drives the first gear on the right side to rotate through the outer gear ring, the first gear drives the second bevel gear to rotate through the corresponding rotating shaft, the second bevel gear drives the inner thread sleeve to rotate on the screw rod through the corresponding first bevel gear, the inner thread sleeve rotates to drive the corresponding screw rod to move in the direction far away from the direction that the drill bit is connected with the hollow rod, and the screw rod is driven by the corresponding clamping plate to move in the direction far away from the direction that the drill bit is connected with the hollow rod, the clamping plate drives the corresponding clamping block to be drawn out from the clamping groove, and then the drill bit is downwards connected with the hollow rod to be drawn out from the mounting sleeve;

in the drill bit on the drill bit that upwards promotes needs to be changed is connected the cavity pole and is inserted the installation cover next, when the drill bit is connected the top of cavity pole and the bottom contact of outer tube, the antiport knob for two splint move to the direction that is close to the drill bit and connects the cavity pole, and two splint drive two non-slip rubber and connect the cavity pole to the drill bit and carry out the centre gripping fixed, and splint still drive the fixture block that corresponds and remove to the draw-in groove in, and then make the drill bit fixed, change the completion.

The utility model relates to a rationally, be convenient for realize changing the operation to the dismouting of drill bit fast through simple pivoted mode, avoid one by one a plurality of bolts of dismouting, improve and change efficiency, and through the solid mounting means of the fixed cooperation card of centre gripping, improve connection stability, reduce the risk of droing in the drill bit use.

Drawings

Fig. 1 is a schematic structural diagram of a loose surrounding rock anchor rod cable drilling tool for soft coal rock according to the present invention;

fig. 2 is an enlarged sectional view of a portion a of fig. 1.

In the figure: 100 outer sleeves, 101 drill bits are connected with a hollow rod, 102 drill bits, 103 slag discharging holes, 1 mounting sleeve, 2 anti-skid rubber sheets, 3 first grooves, 4 clamping plates, 5 positioning rods, 6 screw rods, 7 internal thread sleeves, 8 first bevel gears, 9 second bevel gears, 10 rotating shafts, 11 first through holes, 12 outer gear rings, 13 first gears, 14 clamping grooves, 15 clamping blocks, 16 rotating pipes and 17 knobs.

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.

Referring to fig. 1-2, a loose surrounding rock anchor rod cable drilling tool for soft coal rock comprises an anchor rod cable drilling tool body, wherein the anchor rod cable drilling tool body comprises an outer sleeve 100 and a drill bit connecting hollow rod 101, a drill bit 102 is fixedly installed at the bottom end of the drill bit connecting hollow rod 101, two deslagging holes 103 are formed in the inner wall of the front side of the outer sleeve 100, a mounting sleeve 1 is fixedly connected to the bottom end of the outer sleeve 100, the mounting sleeve 1 is movably sleeved on the drill bit connecting hollow rod 101, and a quick clamping mechanism matched with the drill bit connecting hollow rod 101 is arranged on the mounting sleeve 1;

the rapid clamping mechanism comprises first grooves 3 respectively arranged on the inner walls of two sides of an installation sleeve 1, clamping plates 4 are respectively arranged in the two first grooves 3, clamping blocks 15 are fixedly connected to one sides of the two clamping plates 4 close to each other, clamping grooves 14 are respectively arranged on two sides of a drill bit connected with a hollow rod 101, one sides of the two clamping blocks 15 close to each other respectively extend into the corresponding clamping grooves 14, screw rods 6 are fixedly connected to one sides of the two clamping plates 4 far away from each other, internal thread sleeves 7 are rotatably arranged on the inner walls of one sides of the two first grooves 3 far away from each other, the internal thread sleeves 7 are in threaded sleeve connection with the corresponding screw rods 6, positioning rods 5 are respectively and fixedly connected to one sides of the two clamping plates 4 far away from each other, the installation sleeve 1 is in a sliding sleeve connection with the two positioning rods 5, a first bevel gear 8 is fixedly sleeved on the internal thread sleeves 7, the two first bevel gears 8 are symmetrically arranged, a second bevel gear 9 is meshed with one side of the top of the first bevel gear 8, the top of the second bevel gear 9 is fixedly connected with a rotating shaft 10, one side of the mounting sleeve 1 is provided with a first through hole 11, the first through hole 11 is communicated with the inside of the mounting sleeve 1 in a crossed manner, the top end of the rotating shaft 10 extends into the first through hole 11 and is fixedly connected with a first gear 13, an outer gear ring 12 is sleeved on the drill bit connecting hollow rod 101, the outer gear ring 12 is rotatably installed on the inner wall of the bottom of the first through hole 11, the outer gear ring 12 is meshed with the two first gears 13, the mounting sleeve 1 is rotatably sleeved on the two rotating shafts 10, the top of the first gear 13 on the left side in the two first gears 13 is fixedly connected with a round shaft, and the top end of the round shaft extends to the upper part of the mounting sleeve 1 and is fixedly connected with a knob 17, the utility model has reasonable design, is convenient for realizing the dismounting and replacing operation of the drill bit 102 by a simple rotating mode, avoids dismounting a plurality of bolts one by one, and improves the replacing efficiency, and the connection stability is improved and the falling risk of the drill bit 102 in the use process is reduced by clamping and fixedly matching the clamping and fixing installation mode.

In the utility model, one side of two first grooves 3 which are far away from each other is provided with a rectangular hole, the inner wall of the rectangular hole is connected with the outer side of a corresponding locating rod 5 in a sliding way, the top of the locating rod 5 is provided with a limiting groove, one side of the two limiting grooves which are close to each other is provided with an opening, the inner wall of the top of the rectangular hole is fixedly connected with a limiting block, the limiting block is connected with a corresponding limiting groove in a sliding way, the inner wall of one side of the two first grooves 3 which are far away from each other is provided with a first circular hole, the first circular hole is internally and fixedly sleeved with a first bearing, the inner side of the inner ring of the first bearing is fixedly connected with the outer side of a corresponding internal thread sleeve 7, the inner wall of the top of the first groove 3 is provided with a second circular hole which is communicated with a first through hole 11, the second circular hole is internally and fixedly sleeved with a second bearing, the inner side of the inner ring of the second bearing is fixedly connected with the outer side of a corresponding rotating shaft 10, the inner wall of the bottom of the first through hole 11 is provided with a rotating groove which is communicated with the inside of the mounting sleeve 1 in a crossed manner, a large bearing is fixedly sleeved in the rotating groove, the bottom of the outer gear ring 12 is fixedly connected with a rotating pipe 16, the bottom end of the rotating pipe 16 extends into the rotating groove, the outer side of the rotating pipe 16 is fixedly connected with the inner side of the inner ring of the large bearing, one sides of the two clamping plates 4 which are close to each other are fixedly bonded with anti-skid rubber sheets 2, the anti-skid rubber sheets 2 are fixedly sleeved on the corresponding clamping blocks 15, one sides of the two anti-skid rubber sheets 2 which are close to each other are respectively in movable contact with two sides of the drill bit connecting hollow rod 101, the utility model has reasonable design, is convenient for rapidly realizing the dismounting and replacing operation of the drill bit 102 by a simple rotating mode, avoids dismounting a plurality of bolts one by one, and improves the replacing efficiency, and the connection stability is improved and the falling risk of the drill bit 102 in the use process is reduced by clamping and fixedly matching the clamping and fixing installation mode.

The working principle is as follows: when the drill 102 needs to be replaced, the knob 17 is rotated in the forward direction, the knob 17 drives the circular shaft to rotate, the circular shaft drives the first gear 13 on the left side to rotate, the first gear 13 on the left side drives the first gear 13 on the right side to rotate through the outer gear ring 12 meshed with the first gear, the first gear 13 drives the corresponding rotating shaft 10 to rotate, the rotating shaft 10 drives the corresponding second bevel gear 9 to rotate, the second bevel gear 9 drives the first bevel gear 8 meshed with the second bevel gear to rotate, the first bevel gear 8 drives the corresponding internal thread bushing 7 to rotate on the screw 6, the internal thread bushing 7 drives the corresponding screw 6 to move in the direction far away from the drill connecting hollow rod 101 while rotating, the screw 6 drives the corresponding clamping plate 4 to move in the direction far away from the drill connecting hollow rod 101, the clamping plate 4 drives the corresponding positioning rod 5 to slide in the rectangular hole, the clamping plate 4 drives the corresponding clamping block 15 to be pulled out from the clamping groove 14, meanwhile, the clamping plate 4 drives the corresponding anti-skid rubber sheet 2 to be separated from the drill bit connecting hollow rod 101, the drill bit connecting hollow rod 101 is released from being fixed, and then the drill bit connecting hollow rod 101 is downwards pulled out of the installation sleeve 1;

then aligning a drill bit connecting hollow rod 101 on a drill bit 102 to be replaced with the installation sleeve 1, moving the drill bit connecting hollow rod 101 upwards, inserting the drill bit connecting hollow rod 101 upwards into the installation sleeve 1, when the top end of the drill bit connecting hollow rod 101 is contacted with the bottom end of the outer sleeve 100, aligning the clamping groove 14 with the corresponding clamping block 15, reversely rotating the knob 17, similarly, the movement process of the forward rotating knob 17 is opposite, so that the two clamping plates 4 are changed to move towards the direction close to the drill bit connecting hollow rod 101, the two clamping plates 4 drive the two anti-skid rubber sheets 2 to clamp and fix the drill bit connecting hollow rod 101, meanwhile, the clamping plates 4 drive the corresponding clamping block 15 to move into the clamping groove 14, the clamping block 15 is clamped with the corresponding clamping groove 14, so that the drill bit connecting hollow rod 101 is fixed, further, the drill bit 102 is fixed, the replacement is completed, and the clamping is fixedly matched by clamping, improving the stability of the connection and reducing the risk of the drill bit 102 falling off during use.

In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a loose country rock stock cable drilling instrument for soft coal petrography, includes stock cable drilling instrument body, the stock cable drilling instrument body includes that outer tube (100) and drill bit connect well hollow rod (101), and the bottom fixed mounting that well hollow rod (101) were connected to the drill bit has drill bit (102), has seted up two slag hole (103) on the front side inner wall of outer tube (100), its characterized in that, the bottom fixedly connected with installation cover (1) of outer tube (100), installation cover (1) movable sleeve establish on well hollow rod (101) are connected to the drill bit, be provided with on installation cover (1) and be connected well hollow rod (101) matched with quick card solid mechanism with the drill bit.

2. The loose surrounding rock anchor rod cable drilling tool for the soft coal rock as claimed in claim 1, wherein the quick clamping mechanism comprises first grooves (3) respectively formed on the inner walls of the two sides of the mounting sleeve (1), clamping plates (4) are respectively arranged in the two first grooves (3), clamping blocks (15) are fixedly connected to the sides of the two clamping plates (4) close to each other, clamping grooves (14) are respectively formed on the two sides of the drill bit connecting hollow rod (101), the sides of the two clamping blocks (15) close to each other respectively extend into the corresponding clamping grooves (14), screws (6) are fixedly connected to the sides of the two clamping plates (4) far away from each other, internally threaded sleeves (7) are rotatably mounted on the inner walls of the two first grooves (3) far away from each other, the internally threaded sleeves (7) are threadedly sleeved on the corresponding screws (6), and positioning rods (5) are fixedly connected to the sides of the two clamping plates (4) far away from each other, the mounting sleeve (1) is sleeved on the two positioning rods (5) in a sliding manner, the internal thread sleeve (7) is fixedly sleeved with first bevel gears (8), the two first bevel gears (8) are symmetrically arranged, one side of the top of each first bevel gear (8) is meshed with a second bevel gear (9), the top of each second bevel gear (9) is fixedly connected with a rotating shaft (10), one side of the mounting sleeve (1) is provided with a first through hole (11), the first through holes (11) are communicated with the inside of the mounting sleeve (1) in a cross manner, the top ends of the rotating shafts (10) extend into the first through holes (11) and are fixedly connected with first gears (13), an outer gear ring (12) is sleeved on the drill bit connecting hollow rod (101), the outer gear ring (12) is rotatably mounted on the inner wall of the bottom of the first through hole (11), the outer gear ring (12) is meshed with the two first gears (13), the mounting sleeve (1) is rotatably sleeved on the two rotating shafts (10), the top of the first gear (13) on the left side in the two first gears (13) is fixedly connected with a round shaft, and the top end of the round shaft extends to the upper part of the mounting sleeve (1) and is fixedly connected with a knob (17).

3. The loose surrounding rock anchor rod cable drilling tool for the soft coal rock as claimed in claim 2, wherein one side of each of the two first grooves (3) away from each other is provided with a rectangular hole, the inner wall of the rectangular hole is slidably connected with the outer side of the corresponding locating rod (5), the top of the locating rod (5) is provided with a limiting groove, one side of each of the two limiting grooves close to each other is provided with an opening, and the inner wall of the top of the rectangular hole is fixedly connected with a limiting block which is slidably connected with the corresponding limiting groove.

4. The loose surrounding rock anchor rod cable drilling tool for the loose coal rock as claimed in claim 2, wherein the inner walls of the two first grooves (3) at the sides far away from each other are respectively provided with a first circular hole, a first bearing is fixedly sleeved in the first circular hole, and the inner side of the inner ring of the first bearing is fixedly connected with the outer side of the corresponding inner threaded sleeve (7).

5. The loose surrounding rock anchor rod cable drilling tool for the loose coal rock as claimed in claim 2, wherein a second circular hole is formed in the inner wall of the top of the first groove (3), the second circular hole is communicated with the first through hole (11), a second bearing is fixedly sleeved in the second circular hole, and the inner side of an inner ring of the second bearing is fixedly connected with the outer side of the corresponding rotating shaft (10).

6. The loose surrounding rock anchor rod cable drilling tool for the loose coal rock as claimed in claim 2, wherein a rotating groove is formed on the inner wall of the bottom of the first through hole (11), the rotating groove is communicated with the inside of the mounting sleeve (1) in a crossed manner, a large bearing is fixedly sleeved in the rotating groove, a rotating pipe (16) is fixedly connected to the bottom of the outer gear ring (12), the bottom end of the rotating pipe (16) extends into the rotating groove, and the outer side of the rotating pipe (16) is fixedly connected with the inner side of the inner ring of the large bearing.

7. The loose surrounding rock anchor rod cable drilling tool for the soft coal rock as claimed in claim 2, wherein the anti-slip rubber (2) is fixedly bonded to one side of each of the two clamping plates (4) close to each other, the anti-slip rubber (2) is fixedly sleeved on the corresponding clamping block (15), and one side of each of the two anti-slip rubber (2) close to each other is respectively in movable contact with two sides of the hollow rod (101) connected with the drill bit.