CN212508152U - Transposition type automatic drill rod adding and connecting device - Google Patents

Abstract

The utility model relates to a transposition type automatic drill rod adding and connecting device, which belongs to the technical field of coal mine drilling machine drill rod adding and connecting, and comprises a transposition clamp holder, a pull rod and a drill rod rack; the transposition clamp holder is positioned between the drill chuck and the drill clamp holder, and comprises a sliding seat moving along the horizontal drilling direction of the drill, a rotary mechanism arranged on the sliding seat and a clamping mechanism arranged on the rotary mechanism, wherein the clamping center of the clamping mechanism can be coaxial with the horizontal drilling axis of the drill; the sliding seat is connected with a pull rod in a sliding way, and the other end of the pull rod is connected with a power head of the drilling machine; the drill rod rack comprises a guide mechanism, the guide center of the guide mechanism is equal to the clamping center of the clamping mechanism in height, and the included angle between the guide center of the guide mechanism and the horizontal drilling axis of the drilling machine is alpha. The utility model discloses a set up the transposition holder, improved the flexibility that connects the drilling rod with adding, solved and waited to add the problem that connects the drilling rod must creep into axis parallel placement with the rig level.

Description

Transposition type automatic drill rod adding and connecting device

Technical Field

The utility model belongs to the technical field of colliery rig drilling rod adds connects, a transposition formula drilling rod adds and connects device automatically is related to.

Background

Existing automatic pipe add-on typically employs a robot (or other pipe handling device) to pick up the pipe. The initial position of the drill rod is positioned in a horizontal plane parallel to the horizontal drilling axis of the drilling machine, the drill rod is conveyed to a position overlapped with the drilling axis between the power head of the drilling machine and the clamping device through the mechanical arm, and the automatic additional connection of the drill rod is realized through the multiple matching operation of the power head and the two clamping devices.

The automatic drill rod adding and connecting mode at least needs one mechanical arm and a set of double holders, and the drill rod can reach the adding and connecting position (coinciding with the drilling axis) through multiple position changes. When the drill rod is disassembled, the double clamping devices are used for swinging to loosen the threaded connection of the drill rod at the front end, so that the drill rod can be disassembled.

The automatic additional connection of the existing drill rod has the following problems: 1. the executing mechanism is complex, the occupied space is large, and the cost is high; 2. the conveying route of the drill rod is complex, the drill rod is connected in a plurality of actions, and the efficiency is low; 3. the hydraulic drilling machine is only suitable for a special automatic drilling machine basically and cannot be matched with a traditional hydraulic drilling machine.

SUMMERY OF THE UTILITY MODEL

In view of this, the present application aims to provide an automatic indexing drill rod joining device, so as to improve the flexibility of joining drill rods and solve the problem that a drill rod to be joined must be placed parallel to the horizontal drilling axis of a drilling machine.

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

an automatic indexing drill rod adding device comprises an indexing clamp, a pull rod and a drill rod rack; the transposition clamp holder is positioned between the drill chuck and the drill clamp holder, and comprises a sliding seat moving along the horizontal drilling direction of the drill, a swing mechanism arranged on the sliding seat and a clamping mechanism arranged on the swing mechanism, wherein the clamping center of the clamping mechanism can be coaxial with the horizontal drilling axis of the drill; the sliding seat is connected with a pull rod in a sliding manner, and the other end of the pull rod is connected with a power head of a drilling machine; the drill rod frame comprises a guide mechanism, the guide center of the guide mechanism is equal to the clamping center of the clamping mechanism in height, and the included angle between the guide center of the guide mechanism and the horizontal drilling axis of the drilling machine is alpha.

Optionally, the drill rod rack further comprises a lifting mechanism, and an output end of the lifting mechanism is connected with the guiding mechanism.

Optionally, the lifting mechanism is a hydraulic cylinder.

Optionally, the drilling machine further comprises a limiting mechanism, wherein the limiting mechanism comprises a stop block arranged on the sliding seat and a limiting block arranged on the drilling machine frame and matched with the stop block.

Optionally, the pull rod is oppositely arranged on two sides of the power head.

Optionally, the pull rod is articulated with the drill power head.

Optionally, a guide sleeve is arranged on the sliding seat, and the pull rod penetrates through the guide sleeve and is in sliding connection with the guide sleeve.

Optionally, the guide mechanism is a guide block, and a guide groove is formed in the guide block.

Optionally, the guide groove is a V-shaped groove.

Optionally, the guide block is U-shaped, and the V-shaped grooves are oppositely formed at two ends of the guide block.

Optionally, α is 90 °.

The beneficial effects of the utility model reside in that:

1. the utility model discloses a set up the transposition holder, improved the flexibility that connects the drilling rod with adding, solved and waited to add the problem that connects the drilling rod must creep into axis parallel placement with the rig level.

2. The utility model discloses simplified the automatic structure that connects the device that adds of drilling rod, only needed to increase a transposition holder between unit head and holder, do not need conveyor such as manipulator, need not occupy other spaces beyond the rig itself, device manufacturing accuracy requires lowerly, and low in manufacturing cost has solved the automatic problem that connects the device structure complicacy, occupation space is big that adds.

3. The utility model discloses a transposition adds the mode that connects, has simplified drilling rod transport route, has reduced and has added the action of connecing, helps improving and adds and connects efficiency, guarantees action execution precision, has solved drilling rod transport route complicacy, has added and connects the problem that the action is many and inefficiency.

4. The utility model discloses simple structure easily realizes matcing with traditional hydrodrill's structure, has solved current automation and has added the problem that connects the device can't be applied to traditional hydrodrill.

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 schematic view of the structure and installation of an automatic indexing drill rod adapter;

FIG. 2 is a first schematic structural view of an indexing gripper;

FIG. 3 is a second schematic view of the indexing gripper;

FIG. 4 is a schematic structural view of the tie rod;

FIG. 5 is a schematic view of the installation of the stop block;

fig. 6 is a schematic view of a drill string rack.

Reference numerals: the drilling machine comprises an indexing clamp 1, a pull rod 2, a drill rod frame 3, a limiting block 4, a drilling machine clamp 5, a drilling machine chuck 6, a drilling machine power head 7, a drilling machine frame 8, a clamping mechanism 101, a slewing mechanism 102, a sliding seat 103, a stop block 104, a guide sleeve 105, a limiting step 201, a pin hole 202, a guide mechanism 301, a mounting frame 302 and a lifting mechanism 303.

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 6, an automatic indexing drill rod splicing device comprises an indexing holder 1, a drill rod rack 3, a pull rod 2 and a limiting mechanism; the indexing clamper 1 is positioned between a drill chuck 6 and a drill clamper 5, and comprises a sliding seat 103 moving along a drill guide rail, a slewing mechanism 102 arranged on the sliding seat 103, and a clamping mechanism 101 arranged on the slewing mechanism 102, wherein the clamping center of the clamping mechanism 101 can be coaxial with the horizontal drilling axis of the drill; slewing mechanism 102 may be a slewing gear; the clamping mechanism 101 can be a clamp with various structures and principles; the drill rod frame 3 comprises a mounting frame 302 and a guide mechanism 301 arranged on the mounting frame 302, the guide center of the guide mechanism 301 is equal to the clamping center of the clamping mechanism 101 in height, the included angle between the guide center of the guide mechanism 301 and the horizontal drilling axis of the drilling machine is alpha, and the guide mechanism 301 is fixed on the drilling machine frame 8 or other supports which are not movable relative to the drilling machine frame 8 through the mounting frame 302; the pull rod 2 is oppositely arranged on two sides of the power head 7 of the drilling machine and is parallel to the clamping center of the drilling machine, one end of the pull rod is connected with the power head 7 of the drilling machine, the other end of the pull rod is connected with the sliding seat 103, and the end part of the pull rod is provided with a limiting structure which is a limiting step 201; the limiting mechanism is used for limiting the moving position of the sliding seat 103 and comprises a stop block 104 fixed at the bottom of the sliding seat 103 and a limiting block 4 fixed on one side of the drilling machine frame 8 and matched with the stop block 104.

In order to make the utility model discloses can add the drilling rod that connects different external diameters, increase the utility model discloses an application scope, the utility model discloses still be equipped with elevating system 303, elevating system 303's output is connected with guiding mechanism 301, and elevating system 303's stiff end is connected with mounting bracket 302, and elevating system 303 can be the pneumatic cylinder.

Preferably, the pull rod 2 is articulated with the drill head 7.

Preferably, the sliding seat 103 is provided with a guide sleeve 105, and the pull rod 2 penetrates through the guide sleeve 105 and is connected with the guide sleeve in a sliding manner.

Preferably, the guide mechanism 301 is a guide block, and a guide groove is formed on the guide block, and the guide groove may be a V-shaped groove.

Preferably, the guide block is U-shaped, and the V-shaped grooves are oppositely formed at two ends of the guide block.

Preferably, α is 90 °.

An automatic drill rod adding and connecting method comprises the following steps: the method comprises the steps that a transposition clamp 1 is arranged between a drill chuck 6 and a drill clamp 5, the transposition clamp 1 rotates to the position that the clamping center of the transposition clamp 1 is coaxial with a drill rod to be jointed, the drill rod to be jointed enters the transposition clamp 1, the transposition clamp 1 clamps the drill rod to be jointed, the transposition clamp 1 rotates to enable the drill rod to be jointed to be superposed with the horizontal drilling axis of a drill, a drill power head 7 advances to the position capable of clamping the drill rod to be jointed, the drill chuck 6 clamps the drill rod to be jointed, the transposition clamp 1 loosens the drill rod to be jointed, and the drill power head 7 rotates and advances until the drill rod in the drill clamp 5 is connected.

Examples

A transposition type automatic drill rod adding device comprises a transposition clamp 1, a pull rod 2, a drill rod rack 3 and a limiting mechanism, wherein the transposition clamp 1 is positioned between a drill chuck 6 and a drill clamp 5; the pull rod 2 is arranged in parallel to the clamping center of the drilling machine, one end of the pull rod is connected with a power head 7 of the drilling machine, and the other end of the pull rod is connected with the sliding seat 103; the drill rod rack 3 is positioned at the side of the drilling machine and used for controlling the direction of the drill rod; the limiting mechanism is used for limiting the moving position of the sliding seat 103 and comprises a stop block 104 fixed at the bottom of the sliding seat 103 and a limiting block 4 fixed at one side of the drilling machine frame 8. The drill holder 5, drill chuck 6, drill head 7 and drill frame 8 described below are all of various conventional constructions.

The device has the following specific structure:

(1) indexing gripper 1

The index clamper 1 includes a clamping mechanism 101, a swing mechanism 102, and a slide base 103. The gripping mechanism 101 may be a gripper of various configurations and principles, and may be of the same configuration as the drill gripper 5, since the gripping mechanism 101 only grips one drill rod to be added or removed, the required gripping force is less than that of the drill gripper 5. The turning mechanism 102 is a turning device, the turning mechanism of which is connected to the clamping mechanism 101, and the stationary housing of which is connected to the sliding base 103. A connecting plate is arranged above the sliding seat 103 and is connected with the gyrator; sliding blocks are arranged on two sides and are nested with the sliding rails of the drilling machine frame 8, so that the sliding seat 103 can move back and forth along the sliding rails; the top is provided with two guide sleeves 105 for providing motion guiding and limiting functions for the pull rod 2. The stop block 104 is matched with the limit block 4 arranged on the drilling machine frame 8 to limit the backward movement of the indexing clamp 1, so that the indexing clamp 1 is ensured to be always aligned with the same drill rod conveying position, and meanwhile, the limiting protection effect is exerted.

(2) Pull rod 2

The pull rod 2 is a cylindrical long rod and symmetrically arranged on two sides of the transposition clamp holder 1, and the rod body of the pull rod 2 penetrates through a guide sleeve 105 on a sliding seat 103 of the transposition clamp holder 1. The front end of the pull rod 2 is provided with a limit step 201, when the power head 7 of the drilling machine moves backwards for a certain distance, the limit step 201 drags the indexing clamp 1 to move backwards together with the power head 7 of the drilling machine through the guide sleeve 105 so as to return to the position of aligning the drill rod rack 3. When moving forward, the pull rod 2 can pass through the clearance below the indexing clamper 1 to avoid interference. The rear end of the pull rod 2 is provided with a pin hole 202, two end faces of the pin hole 202 are flattened, a pin shaft is arranged in the pin hole 202, and the pull rod 2 is connected with a drilling machine power head 7 through the pin shaft, so that the eccentric correction effect is achieved.

(3) Stop block 4

The limiting block 4 is fixedly arranged on the side face of the drilling machine frame 8, blocks the stop block 104 positioned below the sliding seat 103 of the indexing gripper 1, limits the moving stroke of the indexing gripper 1, ensures that the indexing gripper 1 is always aligned with the same drill rod conveying position, and plays a limiting and protecting role.

(4) Drill rod rack 3

The drill rod rack 3 is located at the side of the rig frame 8 for placing drill rods to be spliced and comprises a guide block, a mounting frame 302 and a hydraulic cylinder. The guide block is provided with a groove tangent to the excircle surface of the drill rod as a guide groove, the groove can be a V-shaped groove and is used for supporting and guiding the drill rod, the labor intensity of conveying the drill rod is reduced, and the center of the groove is aligned with the center of the transposition clamp 1 after the transposition clamp 1 moves to the rearmost end and rotates by 90 degrees. The hydraulic cylinder is used for adjusting the center height of the guide groove to be consistent with the center height of the transposition clamp 1 all the time. The mounting bracket 302 is adapted to be connected to a fixed part, such as a drill frame 8, a chassis, etc., for fixing the drill rod holder 3.

The utility model discloses a use method as follows:

(1) the drill rod joining process comprises the following steps:

1) the hydraulic cylinder adjusts the height of the drill rod frame 3 to enable the guide groove to be aligned with the transposition clamp 1;

2) putting a drill rod to be additionally connected into a guide groove of the drill rod frame 3;

3) the transposition clamp 1 rotates 90 degrees along the arrow direction shown in figure 1, so that the clamping center line of the transposition clamp coincides with the drill rod to be jointed;

4) opening slips of the indexing gripper 1;

5) pushing the drill rod to be additionally connected to the indexable clamping middle position, and clamping the drill rod to be additionally connected by the indexable clamp 1;

6) the transposition clamp 1 rotates 90 degrees along the arrow in the reverse direction, and the drill rod to be added is superposed with the drilling axis between the drilling power head 7 and the drill clamp 5;

7) the drill chuck 6 is loosened, the drill power head 7 advances to the position where the drill rod to be added in the indexing holder 1 can be clamped, and the drill chuck 6 clamps the drill rod to be added;

8) the transposition clamp 1 is loosened, the power head 7 of the drilling machine rotates and advances, and the front end drill rod connection with the drill rod in the clamp 5 of the drilling machine is completed;

9) the drill clamp 5 is loosened, the drill power head 7 is rotated and pushed forward, and drilling is continued. During the propelling process of the drill power head 7, the indexing clamp 1 is pushed by the drill power head 7 to advance together.

The drill rod disassembly process comprises the following steps:

1) the drill clamp 5 and the transposition clamp 1 are loosened, and the drill chuck 6 clamps the drill rod to be disassembled;

2) the power head 7 of the drilling machine retreats, so that the threaded connection between the drill rod to be disassembled and the previous drill rod is positioned between the drilling machine clamp holder 5 and the transposition clamp holder 1;

3) the drill clamp holder 5 clamps, the drill power head 7 reverses and retreats, and the threaded connection between drill rods is loosened;

4) the indexing clamp 1 clamps the drill rod, the drill chuck 6 is loosened, the drill power head 7 moves backwards, and the drill chuck 6 is completely exposed at the rear end of the drill rod to be disassembled; through three steps of 2, 3 and 4 in the process of disassembling the drill rod, the power head 7 of the drilling machine drags the transposition clamp 1 to move backwards through the pull rod 2 until the center of the rotated transposition clamp is just aligned with the center of the groove of the drill rod frame 3;

5) the index gripper 1 is rotated 90 ° in the direction of the arrow shown;

6) the slip of the transposition clamp 1 is loosened;

7) drawing out the drill rod;

8) the clamping is turned for 90 degrees by transposition;

9) the power head 7 of the drilling machine moves forwards to clamp the next drill rod to be disassembled to prepare for disassembly.

The utility model discloses a set up transposition holder 1, will originally add with the drilling rod that creeps into the axis coincidence and connect the position, rotate to with the drilling axis vertically angle (transposition holder 1 is rotatable to arbitrary angle), enlarged the automatic application scope who connects the device that adds of drilling rod, improved the flexibility that connects the drilling rod with adding, solved and treated to add the problem that connects the drilling rod must creep into axis parallel placement with the rig level.

The utility model discloses simplified the automatic structure that connects the device that adds of drilling rod, only needed to increase a transposition holder 1 between drilling machine unit head 7 and drilling machine holder 5, do not need conveyor such as manipulator, need not occupy other spaces outside the drilling machine itself, device manufacturing accuracy requires lowerly, and low in manufacturing cost has solved the automatic problem that connects the device structure complicacy, occupation space is big that adds.

The utility model discloses a set up transposition holder 1, realized the transposition and connect, this kind of transposition connects the mode, has simplified drilling rod transport route, has reduced to connect the action with, helps improving to connect efficiency, guarantees to move the execution precision with, has solved drilling rod transport route complicacy, has connected the problem that the action is many and inefficiency with.

The utility model discloses simple structure, drilling rod frame 3 adopts pneumatic cylinder jacking guide block, easily realizes matcing with traditional hydrodrill's structure, when installing this device on traditional hydrodrill, only need with traditional hydrodrill's hydraulic system carry on a small amount reform transform can, solved current automatic add connect the device can't be applied to traditional hydrodrill's problem.

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 (9)

1. The utility model provides an automatic device that connects that adds of transposition formula drilling rod which characterized in that: the device comprises an indexing clamp, a pull rod and a drill rod rack; the transposition clamp holder is positioned between the drill chuck and the drill clamp holder, and comprises a sliding seat moving along the horizontal drilling direction of the drill, a swing mechanism arranged on the sliding seat and a clamping mechanism arranged on the swing mechanism, wherein the clamping center of the clamping mechanism can be coaxial with the horizontal drilling axis of the drill; the sliding seat is connected with a pull rod in a sliding manner, and the other end of the pull rod is connected with a power head of a drilling machine; the drill rod frame comprises a guide mechanism, the guide center of the guide mechanism is equal to the clamping center of the clamping mechanism in height, and the included angle between the guide center of the guide mechanism and the horizontal drilling axis of the drilling machine is alpha.

2. The automatic indexing drill rod adding device as claimed in claim 1, wherein: the drill rod rack further comprises a lifting mechanism, and the output end of the lifting mechanism is connected with the guide mechanism.

3. The automatic indexing drill rod adding device as claimed in claim 2, wherein: the lifting mechanism is a hydraulic cylinder.

4. The automatic indexing drill rod adding device as claimed in claim 1, wherein: the limiting mechanism comprises a stop block arranged on the sliding seat and a limiting block arranged on the drilling machine frame and matched with the stop block.

5. The automatic indexing drill rod adding device as claimed in claim 1, wherein: the pull rod is arranged on two sides of the power head relatively.

6. The automatic indexing drill rod adding device as claimed in claim 1, wherein: the pull rod is hinged with the power head of the drilling machine.

7. The automatic indexing drill rod adding device as claimed in claim 1, wherein: the guide mechanism is a guide block, and a guide groove is formed in the guide block.

8. The automatic indexing drill rod adding device as claimed in claim 7, wherein: the guide groove is a V-shaped groove.

9. The automatic indexing drill rod adding device as claimed in claim 1, wherein: α is 90 °.

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