CN210483582U

CN210483582U - Double-clamp type water braid dismounting device for coal mine drilling machine

Info

Publication number: CN210483582U
Application number: CN201921473780.6U
Authority: CN
Inventors: 王清峰; 辛德忠; 陈航; 万军; 陈松林; 刘小华; 吕晋军; 张始斋; 马振纲; 万园
Original assignee: CCTEG Chongqing Research Institute Co Ltd
Current assignee: CCTEG Chongqing Research Institute Co Ltd
Priority date: 2019-09-05
Filing date: 2019-09-05
Publication date: 2020-05-08
Anticipated expiration: 2029-09-05

Abstract

The utility model relates to a double-clamp type water braid dismounting device for a coal mine drilling machine, which belongs to the technical field of mechanical equipment and is arranged on a rack of the drilling machine, wherein a water braid is fixed at the tail end of a drill rod through a water braid joint, and the device comprises a shackle device and a shackle device which are sequentially arranged on one side of a power head of the drilling machine, which is far away from a chuck, along the axial direction of the drill rod; the shackle device comprises a shackle seat and a shackle clamp which is arranged on the shackle seat and is coaxial with the axial lead of the drill rod; the shackle seat comprises a first connecting plate and a first height adjusting assembly arranged on the first connecting plate, and the first connecting plate is fixedly connected with a power head of the drilling machine; the connecting device comprises a connecting seat and a connecting clamp which is arranged on the connecting seat and is coaxial with the shackle clamp; the buckle connecting seat comprises a second height adjusting component which is fixedly connected with the rack. This application has solved the poor problem of security that exists when current colliery rig dismouting water swivel through set up jaw type break-out device and jaw type connector at rig unit head rear end.

Description

Double-clamp type water braid dismounting device for coal mine drilling machine

Technical Field

The utility model belongs to the technical field of mechanical equipment, a coal mine drilling machine is with two jaw type water pigtail dismouting devices is related to.

Background

The water swivel is a main part of a coal mine drilling machine and is used for conveying water or air with certain pressure into a hole in the drilling process, so that the purposes of drilling, deslagging and cooling a drilling tool are achieved.

At present, the water swivel is disassembled and assembled mainly by rotating a drill rod by a power head, so that the drill rod and the water swivel generate opposite rotation, and the screw thread is screwed or loosened, and personnel are required to contact the water swivel in the whole process.

The power head with the hollow shaft is a common form of a coal mine drilling machine, namely, a through hole is formed from the foremost end to the rearmost end of the power head, and a drill rod can penetrate through the through hole. Such power heads often employ a construction method that adds drill pipe from the rear end (right in fig. 1). Before adding the drill pipe, the water swivel must be detached, and after adding the drill pipe, the water swivel must be installed again.

The dismouting device of current water pigtail exists serious potential safety hazard when dismouting water pigtail: (1) when the water swivel is detached, the pipe tongs used for clamping the water swivel are likely to fly out to hurt people or scratch operators under the rotating force of the power head; (2) when the water swivel is installed, a hand-held water swivel mode is adopted, and after the water swivel is partially connected with the thread completion part of the drill rod, the water swivel is likely to rotate along with the power head, so that the water swivel flies out to injure people or scratch operators.

SUMMERY OF THE UTILITY MODEL

In view of this, the purpose of this application is to provide colliery is two pincers formula water pigtail dismouting device for rig, and this application has solved the poor problem of security that exists when current colliery rig dismouting water pigtail through set up pincers formula shackle ware and pincers formula connector at rig unit head rear end.

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

the double-clamp type water braid dismounting and mounting device for the coal mine drilling machine is arranged on a rack of the drilling machine, a water braid is fixed at the tail end of a drill rod through a water braid connector, and the device comprises a shackle device and a shackle device which are sequentially arranged on one side, far away from a chuck, of a power head of the drilling machine along the axial direction of the drill rod; the shackle device comprises a shackle seat and a shackle clamp which is arranged on the shackle seat and is coaxial with the axial lead of the drill rod; the shackle seat comprises a first connecting plate and a first height adjusting assembly arranged on the first connecting plate, and the first connecting plate is fixedly connected with a power head of the drilling machine; the connecting device comprises a connecting seat and a connecting clamp which is arranged on the connecting seat and is coaxial with the shackle clamp; the connecting buckle seat comprises a second height adjusting assembly, and the second height adjusting assembly is fixedly connected with the rack.

Optionally, the first height adjusting assembly comprises a first height adjusting block and a shackle mounting plate, and two ends of the first height adjusting block are fixedly connected with the first connecting plate and the shackle mounting plate respectively.

Optionally, the shackle tongs comprise a shackle caliper and a swivel; the water braid seat is provided with a groove matched with the water braid joint, and the water braid seat is provided with a shackle caliper guide hole; the calliper of breaking out has the first jaw of hexagonal matched with that connects with the water swivel, the calliper of breaking out passes the calliper guiding hole of breaking out and just with water swivel seat sliding connection.

Optionally, the shackle caliper is provided with a first strip-shaped groove, a first rotating shaft is arranged in the first strip-shaped groove, and two ends of the first rotating shaft are connected to two sides of the guide hole of the shackle caliper.

Optionally, the second height adjusting assembly comprises a second height adjusting block and a connecting clamp mounting plate, and two ends of the second height adjusting block are fixedly connected with the rack and the connecting clamp mounting plate respectively.

Optionally, the joint buckle clamp comprises a positioning block fixed on the joint buckle clamp mounting plate, joint buckle calipers arranged at one end, far away from the shackle device, of the positioning block, and a joint buckle caliper mounting assembly fixed on the joint buckle clamp mounting plate, wherein joint buckle caliper guide holes are formed in the joint buckle caliper mounting assembly, and the joint buckle calipers penetrate through the joint buckle caliper guide holes and are in sliding connection with the joint buckle clamp mounting plate.

Optionally, the locating block has an arc-shaped slot that limits the position of the swivel axis.

Optionally, the snap-on caliper has a second jaw that mates with a hexagon on a water braid joint.

Optionally, connect and detain to open on the calliper and have the second bar groove, be equipped with the second pivot in the second bar groove, the both ends of second pivot are connected in the both sides that connect and detain calliper guiding hole.

Optionally, one end of the snap caliper away from the second jaw is provided with a U-shaped handle.

The beneficial effects of the utility model reside in that:

1. the utility model discloses the colliery is two pincers formula water swivel dismouting device for rig is dismantling or the in-process of installation water swivel, and the manual work is only carried out the action of putting into or taking out the water swivel, and contactless water swivel when the rig operation has improved the security of operation.

2. The utility model discloses a colliery is two pincers formula water pigtail dismouting device for rig unloads and is provided with the first pivot and the second pivot that play limiting displacement on calliper and the joint pincers respectively of detaining, and connects on water pigtail seat and the joint pincers mounting panel through first pivot and second pivot respectively, can not fly out because of the rotation of water pigtail and injure the people.

3. The utility model discloses the colliery is two pincers formula water pigtail dismouting device for rig, the calliper of breaking out and connect to detain calliper and remove along the calliper guiding hole of breaking out and connect the calliper guiding hole of detaining respectively, help realizing the calliper of breaking out and connect the quick location of detaining the calliper.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and/or combinations particularly pointed out in the appended claims.

Drawings

For the purposes of promoting a better understanding of the objects, features and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:

FIG. 1 is a first schematic structural view of a double-clamp type water braid dismounting device for a coal mine drilling machine of the utility model;

FIG. 2 is a schematic structural view II of the double-jaw type water braid dismounting device for the coal mine drilling machine of the utility model;

FIG. 3 is a schematic view of the shackle seat of the present invention;

FIG. 4 is a schematic view of the structure of the shackle tongs of the present invention;

FIG. 5 is a schematic view of the shackle clamping mechanism of the present invention;

FIG. 6 is a schematic view of the fastener seat of the present invention;

FIG. 7 is a schematic view of the structure of the connecting clamp of the present invention;

FIG. 8 is a schematic view of the structure of the fastening caliper of the present invention;

fig. 9 is a first schematic view of a water braid joint structure of the present invention;

fig. 10 is a schematic view of a water braid joint structure of the present invention;

FIG. 11 is a cross-sectional view A-A of FIG. 10;

FIG. 12 is a schematic view of a state of disassembling a water swivel drilling rig;

FIG. 13 is a first schematic view of a state of installation of the water swivel drilling rig;

fig. 14 is a schematic view of a state of mounting the water swivel drilling rig.

Reference numerals: the shackle base comprises a shackle base 1, a shackle clamp 2, a shackle base 3, a shackle clamp 4, a water swivel joint 5, a first connecting plate 101, a shackle clamp mounting plate 102, a first height-adjusting block 103, a shackle clamp 201, a first side plate 202, an end plate 203, a water swivel seat 204, a water swivel seat mounting plate 205, a first limit bolt 206, a first strip-shaped groove 20101, a first jaw 20102, a second connecting plate 301, a second height-adjusting block 302, a shackle clamp mounting plate 303, a shackle clamp 401, a second side plate 402, a top plate 403, a positioning block mounting plate 404, a positioning block 405, a second limit bolt 406, a second strip-shaped groove 40101, a second jaw 40102, a male joint 501, a female joint 502, a clamp holder 6, a tail end drill rod 7, a chuck 8 and a power head 9.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the features in the following embodiments and examples may be combined with each other without conflict.

Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in any way limiting the scope of the invention; for a better understanding of the embodiments of the present invention, some parts 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.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", "front", "back", etc., indicating directions or positional relationships based on the directions or positional relationships shown in the drawings, it is only for convenience of description and simplification of description, but it is not intended to indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore, the terms describing the positional relationships in the drawings are only used for illustrative purposes and are not to be construed as limiting the present invention, and those skilled in the art can understand the specific meanings of the terms according to specific situations.

Referring to fig. 1 to 14, the double-jaw type water braid dismounting device for a coal mine drilling machine is used for dismounting a water braid on a drill rod, is arranged on a frame of the drilling machine, and is fixed at the tail end of the drill rod through a water braid connector 5, and comprises a shackle device which is arranged on one side of a power head 9 of the drilling machine, which is far away from a chuck 8, along the axial direction of the drill rod and is used for fixing the water braid connector 5 when the water braid is dismounted, and a buckle device which is used for fixing the water braid connector 5 when the water braid is mounted.

The shackle device comprises a shackle seat 1 and shackle tongs 2 arranged on the shackle seat; the shackle seat 1 comprises a first connecting plate 101 and a first height adjusting assembly arranged on the first connecting plate, and the first connecting plate 101 is fixedly connected with a power head 9 of the drilling machine; the first height adjusting assembly comprises a first height adjusting block 103 and a shackle clamp mounting plate 102, and two ends of the first height adjusting block 103 are fixedly connected with the first connecting plate 101 and the shackle clamp mounting plate 102 respectively; the shackle tongs 2 comprises a shackle caliper 201, a water swivel base 204 and a water swivel base mounting plate 205; the water swivel seat 204 is in threaded connection with the water swivel seat mounting plate 205, the water swivel seat 204 comprises two water swivel seat plates which are arranged in parallel, a groove corresponding to the water swivel joint 5 is formed in each water swivel seat plate, the shackle calipers 201 are connected between the two water swivel seat plates in a sliding mode, and the shackle calipers 201 are provided with first jaws 20102 matched with the hexagons on the water swivel joint 5; the shackle calipers 201 are provided with first bar-shaped grooves 20101, first rotating shafts are arranged in the first bar-shaped grooves 20101, and two ends of each first rotating shaft are connected to the water swivel seat plate.

The connecting buckle device comprises a connecting buckle seat 3 and a connecting buckle clamp 4 arranged on the connecting buckle seat; the buckle connecting seat 3 comprises a second connecting plate 301 and a second height adjusting assembly, and the second height adjusting assembly is fixedly connected with the rack through the second connecting plate 301; the second height adjusting assembly comprises a second height adjusting block 302 and a connecting clamp mounting plate 303, and two ends of the second height adjusting block 302 are fixedly connected with the rack and the connecting clamp mounting plate 303 respectively; the connecting clamp 4 comprises a positioning block mounting plate 404 in threaded connection with the connecting clamp mounting plate 303, a positioning block 405 in threaded connection with the positioning block mounting plate 404, and a connecting clamp 401 arranged at one end of the positioning block 405 far away from the shackle device, wherein the connecting clamp 401 is connected to the positioning block mounting plate 404 through a connecting clamp mounting assembly; the positioning block 405 has an arc-shaped slot that limits the position of the water braid axis; the connecting and buckling calipers 401 are provided with second jaws 40102 matched with the hexagons on the water swivel joints 5, and the connecting and buckling calipers 401 are connected to the positioning block mounting plates 404 in a sliding mode; connect and detain calliper 401 and go up to open and to have second bar groove 40101, be equipped with the second pivot in the second bar groove 40101, the second pivot is connected on locating piece mounting panel 404.

The support center of the shackle tongs 2 and the support center of the joint tongs 4 are coaxial with the axial lead of the drill rod, wherein the support center of the shackle tongs 2 refers to the axial lead of the groove on the water braid seat plate, and the support center of the joint tongs 4 refers to the axial lead of the arc-shaped groove on the positioning block 405.

In order to facilitate the push-pull of the fastening caliper 401, the end of the fastening caliper 401 away from the second jaw 40102 in this application is provided with a U-shaped handle.

The shackle seat 1 connects the power head 9 with the shackle clamp 2. The first connecting plate 101 is used for being connected with the power head 9, and the space for installing and dismounting the fastening clamp 2 is prolonged. The shackle clamp mounting plate 102 is used for mounting the shackle clamp 2, and the first height-adjusting block 103 is used for adjusting the center height of the shackle clamp 2 to align with the common center of the power head 9 and the clamp holder 6.

The shackle tongs 2 are used for clamping the water swivel joint 5 when the water swivel is dismounted, so that the water swivel is kept fixed. The shackle caliper 201 is an execution part for clamping the water swivel joint 5, the front end of the first jaw 20102 is matched with the hexagonal part on the water swivel joint 5 to clamp the water swivel, and the middle part of the shackle caliper 201 is provided with a first strip groove 20101 to guide and position the shackle caliper 201. The first side plate 202 and the end plate 203 constitute a closed frame that prevents the shackle caliper 201 from flying out when the power head 9 is rotated. First limit bolt 206 passes the bar groove at break out calliper 201 middle part, carries on spacingly to break out calliper 201, prevents that break out calliper 201 from dropping and the departure. Water swivel seat 204 lifts the water swivel when being used for dismantling the water swivel, prevents that it from dropping after the screw thread loosens. The mounting plate 205 is connected with the shackle seat 1 to realize the fixation of the shackle clamp 2.

The connecting and buckling clamp 4 is connected with the frame by the connecting and buckling seat 3. The second connecting plate 301 is fixedly connected with the frame through bolts. The second height-adjusting block 302 adjusts the dimensions of the fastening pliers 4 in the installation height direction and the length direction so that the center of the fastening pliers is aligned with the common center of the power head 9 and the clamp 6. The clincher mounting plate 303 is used to mount the clincher 4.

The clamping pliers 4 are used for clamping the water swivel joint 5 when the water swivel is installed, so that the water swivel is kept fixed. Connect and detain calliper 401 and connect 5 executive component for the chucking water swivel, the front end that 40102 was kept silent to the second realizes the chucking of water swivel with the hexagonal cooperation on the water swivel connects 5, and the middle part is equipped with second bar groove 40101, realizes connecing the direction and the location of detaining calliper 401 itself. The snap caliper mounting assembly includes a second side plate 402 and a top plate 403, the second side plate 402 and the top plate 403 forming a closed frame that prevents the snap caliper 401 from flying out when the powerhead 9 is rotated. The second limit bolt 406 passes through the second strip-shaped groove 40101 in the middle of the joint-buckled caliper 401, limits the joint-buckled caliper 401, and prevents the joint-buckled caliper 401 from dropping and flying out. The locating piece 405 is used for lifting the water swivel when dismantling the water swivel, prevents that it from dropping after the screw thread loosens. The positioning block mounting plate 404 is connected with the buckle connecting base 3, so that the buckle connecting clamp 4 is fixed.

The water swivel joint 5 is used for realizing the matching of the water swivel and the shackle tongs 2 and the connection tongs 4, thereby being convenient for realizing the installation and the disassembly of the water swivel joint. The front end of the water swivel joint 5 is a male joint 501 matched with the drill rod and connected with the drill rod, the rear end of the water swivel joint is a female joint 502 matched with the original water swivel and connected with the original water swivel, and the middle part of the water swivel joint is of a hexagonal structure and matched with the shackle clamp 2 and the shackle clamp 4 to fix the water swivel. The inside of water swivel 5 is the through-hole, realizes leading to water with water swivel and drilling rod.

The application dismantles water pigtail process:

(1) the clamp 6 is loosened, the chuck 8 is clamped, the shackle calipers 201 of the shackle tongs 2 are pushed towards the water swivel, and the hexagonal shape of the water swivel joint 5 is fixed.

(2) The power head 9 rotates forwards, and the connection between the water swivel joint 5 and the tail end drill rod 7 is loosened.

(3) The power head 9 stops rotating and the water braid is taken out manually.

The application discloses installation water swivel process:

(1) the water swivel is placed in the positioning block 405 of the fastening clamp 4, the fastening clamp 401 of the fastening clamp 4 is pushed towards the water swivel, and the hexagonal shape of the water swivel joint 5 is fixed.

(2) A new drill rod is manually put in, and the male head at the front end of the new drill rod and the female head of the existing drill rod in the chuck 8 are screwed up for one to two circles.

(3) The clamp 6 is clamped, the chuck 8 is loosened, and the power head 9 moves to the rearmost end of the rack.

(4) The chuck 8 clamps the newly added drill rod, and the power head 9 rotates reversely to complete the installation of the water swivel.

This application has solved the poor problem of security that exists when current colliery rig dismouting water swivel through set up pincerlike break out ware and pincerlike connector at rig unit head 9 rear end.

Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the scope of the claims of the present invention.

Claims

1. Colliery is two pincers formula water swivel dismouting device for rig sets up in the frame of rig, and the water swivel passes through the water swivel and connects the end of fixing at the drilling rod, its characterized in that: the drilling machine power head is characterized by comprising a shackle device and a shackle connector which are sequentially arranged on one side of the drilling machine power head far away from a chuck along the axial direction of a drill rod;

the shackle device comprises a shackle seat and a shackle clamp which is arranged on the shackle seat and is coaxial with the axial lead of the drill rod;

the shackle seat comprises a first connecting plate and a first height adjusting assembly arranged on the first connecting plate, and the first connecting plate is fixedly connected with a power head of the drilling machine;

the connecting device comprises a connecting seat and a connecting clamp which is arranged on the connecting seat and is coaxial with the shackle clamp;

the connecting buckle seat comprises a second height adjusting assembly, and the second height adjusting assembly is fixedly connected with the rack.

2. The double-plier type water braid dismounting device for the coal mine drilling machine as recited in claim 1, wherein: the first height adjusting assembly comprises a first height adjusting block and a shackle clamp mounting plate, and two ends of the first height adjusting block are fixedly connected with the first connecting plate and the shackle clamp mounting plate respectively.

3. The double-plier type water braid dismounting device for the coal mine drilling machine as recited in claim 2, characterized in that: the shackle tongs comprise shackle calipers and a water braid seat; the water braid seat is provided with a groove matched with the water braid joint, and the water braid seat is provided with a shackle caliper guide hole; the calliper of breaking out has the first jaw of hexagonal matched with that connects with the water swivel, the calliper of breaking out passes the calliper guiding hole of breaking out and just with water swivel seat sliding connection.

4. The double-plier type water braid dismounting device for the coal mine drilling machine as recited in claim 3, characterized in that: the shackle caliper is characterized in that a first strip-shaped groove is formed in the shackle caliper, a first rotating shaft is arranged in the first strip-shaped groove, and two ends of the first rotating shaft are connected to two ends of a guide hole of the shackle caliper.

5. The double-plier type water braid dismounting device for the coal mine drilling machine as recited in claim 1, wherein: the second height adjusting assembly comprises a second height adjusting block and a connecting and buckling clamp mounting plate, and two ends of the second height adjusting block are fixedly connected with the rack and the connecting and buckling clamp mounting plate respectively.

6. The double-plier type water braid dismounting device for the coal mine drilling machine as recited in claim 5, wherein: connect and detain pincers including fixing the locating piece on connecing the pincers mounting panel and setting up the calliper of connecing of keeping away from on one side of the ware of breaking out at the locating piece to and fix connecing of connecing the pincers mounting panel and detain calliper installation component, connect to detain to be equipped with on the calliper installation component and connect and detain calliper guiding hole, connect to detain calliper pass connect to detain calliper guiding hole and with connect and detain pincers mounting panel sliding connection.

7. The double-plier type water braid dismounting device for the coal mine drilling machine as recited in claim 6, wherein: the positioning block is provided with an arc-shaped groove for limiting the axis position of the water swivel.

8. The double-plier type water braid dismounting device for the coal mine drilling machine as recited in claim 6, wherein: the joint buckle calipers are provided with second jaws matched with a hexagon on the water braid joint.

9. The double-plier type water braid dismounting device for the coal mine drilling machine as recited in claim 6, wherein: connect and detain to open on the calliper and to have the second bar groove, be equipped with the second pivot in the second bar groove, the both ends of second pivot are connected in the both sides that connect and detain calliper guiding hole.

10. The double-plier type water braid dismounting device for the coal mine drilling machine as recited in claim 9, wherein: and a U-shaped handle is arranged at one end of the connecting and buckling caliper, which is far away from the second jaw.