CN212898341U

CN212898341U - Mining rig adapter

Info

Publication number: CN212898341U
Application number: CN202021965987.8U
Authority: CN
Inventors: 梅贤云; 洪晓华
Original assignee: Quzhou Honghua Machinery Co ltd
Current assignee: Quzhou Honghua Machinery Co ltd
Priority date: 2020-09-10
Filing date: 2020-09-10
Publication date: 2021-04-06
Anticipated expiration: 2030-09-10

Abstract

The utility model relates to a mining drill adapter, which comprises a shell, wherein the shell is cylindrical, a first adapter and a second adapter arranged below the first adapter are arranged in the shell, and an upper pressing plate and a lower pressing plate are arranged at the upper end and the lower end of the shell; the lower part of the second adapter is exposed out of the shell, the bottom end of the second adapter is provided with a switching jack, and the side wall of the switching jack is provided with a pressing device for fixing a drill rod; damping rubber pads are arranged between the first adapter and the second adapter and between the lower pressing plate and the annular clamping block; an outer lining shell is arranged on the second adapter exposed outside the shell, and a cavity, a through hole and an elastic piece arranged in the cavity are formed in the outer lining shell; the utility model discloses alleviated drilling rod during operation adapter and born the pressure of vibrations, the shock attenuation effect is obvious and has realized quick installation and dismantlement drilling rod.

Description

Mining rig adapter

Technical Field

The utility model belongs to the technical field of the engineering machine tool technique and specifically relates to a mining rig adapter.

Background

The environment of the drilling machine is very complicated and severe in the construction process, and each part and structure on the drilling machine are designed according to the principle of simplicity, practicability and reliability; the drill rod and other parts of the drilling machine are more in consumption, so that the drilling machine is convenient to mount and dismount and easy to maintain; meanwhile, the drill rods are required to be different in length according to construction requirements, the drill rods are required to be frequently replaced according to requirements so as to meet the construction requirements, and the replacement of the drill rods is time-consuming and labor-consuming during construction; the drilling rod during operation adapter must bear huge vibrations, and the adapter buffer capacity is less, and the shock attenuation effect is poor, easily causes the adapter of drilling rod frequently to damage and influences its long service life, brings certain potential safety hazard for the construction.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a simple to operate, effectual mining rig adapter of shock attenuation.

The technical scheme of the utility model is realized like this: the utility model provides a mining rig adapter, includes the casing, and the casing is cylindric, its characterized in that: the shell is internally provided with a first adapter and a second adapter arranged below the first adapter, the upper end and the lower end of the shell are provided with an upper pressing plate and a lower pressing plate, the upper pressing plate is attached to the top end of the first adapter, the lower pressing plate is attached to the second adapter in the shell, and the first adapter, the second adapter, the upper pressing plate and the lower pressing plate are all connected with each other through bolts; the top of the first adapter is ladder-shaped and exposed outside the shell, an external thread is arranged on the outer side wall of the top of the first adapter, an internal thread is arranged on a drilling rig drilling arm connected with the first adapter and corresponds to the external thread, the external thread is matched with the internal thread, the bottom of the first adapter is contacted with the top of the second adapter, a circle of convex ring is fixedly arranged on the bottom of the first adapter, the top of the second adapter is matched with the convex ring to form a concave ring groove, wear-resistant layers are arranged on the convex ring and the concave ring groove, the lower part of the second adapter is exposed outside the shell, a through-connection jack is formed in the bottom of the second adapter, and a pressing device used for fixing a drilling rod is arranged on the; the side wall of the first adapter close to one end of the second adapter is uniformly provided with protruding tooth blocks, the inner side wall of the shell is provided with an axial sliding groove corresponding to the protruding tooth blocks, the end of the second adapter close to the first adapter is provided with an annular clamping block, the shell is provided with an axial groove body corresponding to the annular clamping block, and the protruding tooth blocks on the first adapter are embedded in the axial sliding groove at the upper end of the shell, so that the first adapter is connected with the shell; an annular clamping block on the second adapter is embedded in an axial groove body at the lower part of the inner side wall of the shell, so that the second adapter is connected with the shell, and torque transmission among the first adapter, the shell and the second adapter is further realized; damping rubber pads are arranged between the first adapter and the second adapter and between the lower pressure plate and the annular clamping block, the damping rubber pads between the first adapter and the second adapter are arranged into a plurality of layers, and the damping rubber pads are all annular rubber pads sleeved on the outer side wall of the convex ring and clamped between the first adapter and the second adapter; be provided with the outer lining shell on the second adapter of exposing outside the casing, the radius of outer lining shell top surface is greater than the radius of second adapter bottom surface, seted up the cavity in the outer lining shell, perforate and set up the elastic component in the cavity, the elastic component sets up to the spring, elastic component one end and cavity inner wall fixed connection, the other end and second adapter fixed connection, the lower part of second adapter extends in the perforation.

Preferably: the pressing unit is arranged in the shell and used for fixing the damping rubber pad; the pressing unit comprises an upper protection plate, a middle protection plate and a lower protection plate, the upper protection plate is located between the first adapter and the shock absorption rubber pad, the middle protection plate is located between the shock absorption rubber pad and the second adapter, and the lower protection plate is located between the second adapter and the lower pressing plate.

Preferably: the wear-resistant layer comprises an inner protective sleeve, an outer protective sleeve and a sealing gasket, the inner protective sleeve is movably connected in the groove ring, the outer protective sleeve is movably connected outside the convex ring, the sealing gasket is arranged at the contact part of the first adapter and the upper protective plate, and the sealing gasket is arranged at the contact part of the second adapter and the middle protective plate; the wear-resistant steel can be replaced in time after long-time operation, and the service life of the whole steel is prolonged.

Preferably: a step surface is arranged between the cavity of the outer lining shell and the through hole; the second adapter is provided with a clamping sleeve, the clamping sleeve extends into the cavity of the outer lining shell, the clamping sleeve is also provided with an annular clamping edge, and the outer side wall of the outer lining shell is provided with an annular step wall; the through hole of the outer lining shell is wide-mouth-shaped, and the second adapter can be better accommodated due to the arrangement of the wide-mouth-shaped through hole; the annular clamping edge can finally block the second adapter when the second adapter is pressed down, the second adapter is prevented from being completely pressed in, and the step surface of the outer lining shell can effectively block the pressing distance of the clamping sleeve.

Preferably: the compressing device comprises a containing hole and a ball, the containing hole is formed in the side wall of the switching jack, the ball is movably clamped in the containing hole, when the lower portion of the second adapter is located inside the outer lining shell, the ball can be pushed against the inner wall of the outer lining shell in an extruding mode, and therefore the ball can stretch out a part of the ball to be located inside the switching jack, and a drill rod located in the switching jack is tightly clamped.

The working principle of the adapter is as follows: when a drill rod is not installed, the switching jack at the lower part of the second adapter is completely positioned in the outer lining shell, when the drill rod is required to be connected, the external thread on the first adapter is screwed with the internal thread of the drill boom of the drilling machine, then the outer lining shell is pressed upwards, and the outer lining shell and the second adapter can relatively displace, so that the part of the switching jack exposed outside the perforation of the outer lining shell inserts the drill rod into the switching jack, the drill rod jacks the ball of the switching jack into the accommodating hole, then the outer lining shell is loosened, the outer lining shell and the second adapter are automatically reset by the restoring force of the elastic piece, at the moment, the part of the second adapter exposed outside the perforation retracts into the outer lining shell, the ball is jacked by the inner wall of the outer lining shell, the ball extends out of the switching jack, and the drill rod is stably jacked.

The utility model has the advantages that: damping rubber pads are arranged between the first adapter and the second adapter and between the lower pressure plate and the annular clamping block to form two damping areas, so that the pressure of vibration borne by the adapter when the drill rod works is relieved, the damping effect is obvious, and the service life of the adapter is prolonged; utilize the relative displacement between second adapter and the outer lining shell to reduce installation time, improve the installation effectiveness, realize quick installation and the dismantlement to the drilling rod.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a cross-sectional view of an embodiment of the present invention;

figure 2 is a cross-sectional view of a second adapter of the present invention;

fig. 3 is a schematic perspective view of a second adapter of the present invention;

fig. 4 is a cross-sectional view of a first adapter of the present invention;

FIG. 5 is a cross-sectional view of a first adapter A-A of the present invention;

figure 6 is a cross-sectional view of a second adapter B-B of the present invention;

reference numerals: the structure comprises a shell sleeve 1, an upper pressing plate 2, a first adapter 3, a second adapter 4, a lower pressing plate 5, a convex ring 6, a concave ring groove 7, a wear-resistant layer 8, an adapter jack 9, a pressing unit 11, an upper protection plate 101, a middle protection plate 102, a lower protection plate 103, a shock-absorbing rubber gasket 21, an outer lining shell 22, a cavity 23, a through hole 24, an elastic piece 25, a step surface 26, an annular step wall 27, a protruding tooth block 31, an axial sliding groove 301, a bolt 32, an annular clamping block 41, an axial groove body 401, a clamping sleeve 42, an annular clamping edge 43, an inner protection sleeve 81, an outer protection sleeve 82, a pressing device 91, a ball 901, an accommodating hole 902 and a sealing gasket 83;

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 efforts belong to the protection scope of the present invention.

Example 1

As shown in fig. 1-6, the utility model discloses a mining rig adapter, in the embodiment of this embodiment: a first adapter 3 and a second adapter 4 arranged below the first adapter 3 are arranged in the shell 1, an upper pressing plate 2 and a lower pressing plate 5 are arranged at the upper end and the lower end of the shell 1, the upper pressing plate 2 is attached to the top end of the first adapter 3, the lower pressing plate 5 is attached to the second adapter 4 in the shell, and the first adapter 3, the second adapter 4, the upper pressing plate 2 and the lower pressing plate 5 are all connected with each other through bolts 32; the top of the first adapter is ladder-shaped and exposed outside the shell, an external thread is arranged on the outer side wall of the top of the first adapter, an internal thread is arranged on a drilling rig drilling arm connected with the first adapter 3 and corresponds to the external thread, the so-called external thread is matched with the internal thread, the bottom of the first adapter 3 is in contact with the top of the second adapter 4, a circle of convex ring 6 is fixedly arranged on the bottom of the first adapter, the top of the second adapter is matched with the convex ring to form a concave ring groove 7, wear-resistant layers 8 are arranged on the convex ring 6 and the concave ring groove 7, the lower part of the second adapter 4 is exposed outside the shell 1, a through-connection jack 9 is formed in the bottom of the second adapter 4, and a pressing device 91 for fixing a drilling rod is arranged; the side wall of the first adapter 3 close to one end of the second adapter 4 is uniformly provided with protruding tooth blocks 31, the inner side wall of the shell 1 is provided with axial sliding grooves 301 corresponding to the protruding tooth blocks 31, one end of the second adapter 4 close to the first adapter 3 is provided with an annular fixture block 41, the shell 1 is provided with axial groove bodies 401 corresponding to the annular fixture block 41, and the protruding tooth blocks 31 on the first adapter 3 are embedded in the axial sliding grooves 301 at the upper end of the shell 1, so that the first adapter 3 is connected with the shell 1; an annular clamping block 41 on the second adapter 4 is embedded in an axial groove 401 at the lower part of the inner side wall of the shell 1, so that the second adapter 4 is connected with the shell 1, and further torque transmission among the first adapter 3, the shell 1 and the second adapter 4 is realized; the upper pressing plate 2 and the lower pressing plate 5 are respectively positioned at two ends of the shell 1, the upper pressing plate 2 is attached to the top end of the first adapter 3, the lower pressing plate 5 is attached to the second adapter 4 in the shell, damping rubber pads 21 are arranged between the first adapter 3 and the second adapter 4 and between the lower pressing plate 5 and the annular fixture block 41, the damping rubber pads between the first adapter 3 and the second adapter 4 are arranged in multiple layers, and the damping rubber pads are annular rubber pads sleeved on the outer side wall of the convex ring 6 and clamped between the first adapter 3 and the second adapter 4; be provided with outer lining shell 22 on exposed second adapter 4 outside the casing, the radius of 1 top surface of outer lining shell is greater than the radius of 4 bottom surfaces of second adapter, seted up cavity 23, perforation 24 and the elastic component 25 of setting in the cavity in outer lining shell 22, elastic component 25 sets up to the spring, elastic component 25 one end and 22 inner wall fixed connection of outer lining shell, the other end and 4 fixed connection of second adapter, the lower part of second adapter 4 extends in the perforation 24.

Through above-mentioned technical scheme, top board and holding down plate mainly play the fixed action to overall structure, all are provided with the shock attenuation cushion between first adapter and second adapter and between holding down plate and the annular fixture block, form two damping areas, alleviate the pressure that the drilling rod during operation adapter bore vibrations, the shock attenuation effect is obvious, makes adapter life elongated.

In this embodiment, the damping rubber pad further comprises a pressing unit 11 arranged in the housing 1 and used for fixing the damping rubber pad; the pressing unit 11 comprises an upper protection plate 101, a middle protection plate 102 and a lower protection plate 103, wherein the upper protection plate 101 is located between the first adapter 3 and the shock-absorbing rubber mat 21, the middle protection plate 102 is located between the shock-absorbing rubber mat 21 and the second adapter 4, and the lower protection plate 103 is located between the second adapter 4 and the lower pressing plate 5; wearing layer 8 includes interior protective sheath 81, outer protective sheath 82 and sealed the pad 83, interior protective sheath 81 swing joint is in the groove ring, outer protective sheath 82 swing joint is outside the bulge loop, sealed pad 83 is installed at the position that first adapter 3 and last protection shield 101 contacted, sealed pad 83 is installed at the position that second adapter 4 and well protection shield 102 contacted.

Through the technical scheme, the compressing unit compresses and fixes the damping rubber pad, so that the direct contact between the damping rubber pad and the first adapter and the direct contact between the damping rubber pad and the second adapter are avoided, the mutual abrasion during connection is reduced, the abrasion acting force is more uniform, and the condition that the abrasion on two sides is different in height is prevented; the inner protective sleeve and the outer protective sleeve can be directly replaced after long-time operation and abrasion, and the maintenance is very convenient; the sealing gasket enhances the sealing performance of the joint and prolongs the service life of the main components.

In the present embodiment, a step surface 26 is provided between the cavity 23 and the through hole 24 of the outer shell 22; the second adapter 4 is provided with a clamping sleeve 42, the clamping sleeve 42 extends into the cavity 23 of the outer lining shell 22, the clamping sleeve 42 is also provided with an annular clamping edge 43, and the outer side wall of the outer lining shell 22 is provided with an annular step wall 27; the through hole 24 of the outer lining shell 22 is wide-mouth-shaped, the wide mouth faces downwards, and the second adapter 4 can be better accommodated due to the arrangement of the wide-mouth-shaped through hole 24; when the second adapter 4 is pressed down, the annular clamping edge 43 can finally block the second adapter, so that the second adapter is prevented from being completely pressed in, and the arrangement of the outer lining shell step surface 26 can also effectively block the pressing distance of the clamping sleeve 42; the pressing device 91 comprises a containing hole 902 and a ball 901, the containing hole 902 is opened on the side wall of the adapter jack 9, the ball 901 is movably clamped in the containing hole 902, when the lower part of the second adapter 4 is positioned inside the outer lining shell 22, the ball 901 is pressed against by the inner wall of the outer lining shell 22, so that the ball 901 extends out of a part inside the adapter jack 9, and the drill rod positioned in the adapter jack 9 is tightly clamped.

Through above-mentioned technical scheme, can finally be followed by the annular card and block when pushing down the second adapter, prevent that it from impressing completely, the distance that pushes down of cutting ferrule also can effectively be blockked in setting up of outer lining shell step face, utilizes the relative displacement between second adapter and the outer lining shell, realizes quick installation and the dismantlement to the drilling rod.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a mining rig adapter, includes the casing, and the casing is cylindric, its characterized in that: the shell is internally provided with a first adapter and a second adapter arranged below the first adapter, the upper end and the lower end of the shell are provided with an upper pressing plate and a lower pressing plate, the upper pressing plate is attached to the top end of the first adapter, the lower pressing plate is attached to the second adapter in the shell, and the first adapter, the second adapter, the upper pressing plate and the lower pressing plate are all connected with each other through bolts; the top of the first adapter is ladder-shaped and exposed outside the shell, an external thread is arranged on the outer side wall of the top of the first adapter, the bottom end of the first adapter is in contact with the top end of the second adapter and is fixedly provided with a ring convex ring, the top end of the second adapter is matched with the convex ring to form a concave ring groove, the convex ring and the concave ring groove are both provided with a wear-resistant layer, the lower part of the second adapter is exposed outside the shell, the bottom end of the second adapter is provided with a switching jack, and the side wall of the switching jack is provided with a pressing device for fixing a drill rod; the side wall of the first adapter close to one end of the second adapter is uniformly provided with protruding tooth blocks, the inner side wall of the shell is provided with axial sliding grooves corresponding to the protruding tooth blocks, one end of the second adapter close to the first adapter is provided with an annular clamping block, and the shell is provided with an axial groove body corresponding to the annular clamping block; damping rubber pads are arranged between the first adapter and the second adapter and between the lower pressing plate and the annular clamping block; be provided with the outer lining shell on the second adapter of exposing outside the casing, the radius of outer lining shell top surface is greater than the radius of second adapter bottom surface, seted up the cavity in the outer lining shell, perforate and set up the elastic component in the cavity, elastic component one end and cavity inner wall fixed connection, the other end and second adapter fixed connection, the lower part of second adapter extends in the perforation.

2. The mining drill adapter of claim 1, wherein: the pressing unit is arranged in the shell and used for fixing the damping rubber pad; the pressing unit comprises an upper protection plate, a middle protection plate and a lower protection plate, the upper protection plate is located between the first adapter and the shock absorption rubber pad, the middle protection plate is located between the shock absorption rubber pad and the second adapter, and the lower protection plate is located between the second adapter and the lower pressing plate.

3. The mining drill adapter of claim 2, wherein: the wearing layer includes interior protective sheath, outer protective sheath and sealed the pad, interior protective sheath sets up in the groove ring intra-annular, outer protective sheath sets up outside the bulge loop, sealed pad is installed at the position that first adapter and last protection shield contacted, sealed pad is installed at the position that second adapter and well protection shield contacted.

4. A mining drill adapter according to claim 1, 2 or 3, wherein: a step surface is arranged between the cavity of the outer lining shell and the through hole; be equipped with the cutting ferrule on the second adapter, the cutting ferrule stretches into in the cavity of outer lining shell to still be equipped with annular card edge on the cutting ferrule, locate annular step wall on the outer lining shell lateral wall, the perforation sets up to wide mouthful form, wide-mouth orientation downwards.

5. A mining drill adapter according to claim 1, 2 or 3, wherein: the pressing device comprises a containing hole and a ball, the containing hole is formed in the side wall of the switching jack, and the ball is movably clamped in the containing hole.