CN219570048U - Chuck structure and drill rod warehouse structure - Google Patents

Abstract

The utility model provides a chuck structure and a drill rod warehouse structure, wherein the chuck structure comprises a first chuck, a second chuck and a supporting frame; the first chuck and the second chuck are arranged in a mutually symmetrical structure, and are connected through a supporting frame to form a chuck main body; the chuck main body is provided with a plurality of groups of clamping grooves, and the plurality of groups of clamping grooves are respectively arranged along the circumferential array of the chuck main body. The drill rod warehouse structure comprises a rotary disc surface, a rubber clamp assembly and a chuck structure as claimed in the claim; the rotary disc surface is connected with the rubber clamp assembly through bolts to form an integral drill rod warehouse; the utility model meets the requirements of automatic connecting rod and unloading rod by reasonably designing the position and the shape of the clamping groove of the rubber chuck, has simple structure, long service life and light weight compared with the existing rod warehouse, and meanwhile, the drill rod warehouse with the rubber clamp structure has strong universality, can be used in any form in combination, is convenient to maintain in the later period, and is suitable for deep hole construction use occasions in rock drilling equipment.

Description

Chuck structure and drill rod warehouse structure

Technical Field

The utility model relates to the technical field of tunnel and underground engineering construction equipment, in particular to a chuck structure and a drill rod warehouse structure comprising the chuck.

Background

The tunnel and mine construction process often need the drilling be used for excavation, advance detection or support, and wherein drilling rock drilling equipment uses extensively, adopts the mode of connecting the pole in succession to realize once to circulate the purpose of getting the medium-length hole, and traditional mode that connects adopts artifical pole, because drilling rod weight is big, and the manual operation degree of difficulty is big, and is consuming time long, leads to drilling inefficiency, greatly reduced construction progress. Along with the technical development, an automatic rod connecting method is gradually proposed, a continuous automatic rod connecting function is realized through the cooperation of a designed rod warehouse and a manipulator, drill rods are stored in a rod warehouse chuck in advance, rod connecting and rod retreating operations are performed through the clamping of the manipulator, the stability of the existing rod warehouse chuck is poor, the phenomenon that the drill rods cannot accurately enter the chuck exists, meanwhile, the positioning accuracy of the manipulator is influenced, the rod connecting is difficult, and even the rod connecting cannot be realized. The existing chuck is single in structure and cannot meet the clamping requirements of various types of drill rods, so that a drill rod warehouse with good overall stability, high accuracy and wide application range of the connecting rod needs to be developed, and the accuracy and efficiency of the connecting rod are improved.

Disclosure of Invention

The utility model provides a chuck structure, which comprises a first chuck, a second chuck and a supporting frame; the first chuck and the second chuck are arranged in a mutually symmetrical structure, and are connected through a supporting frame to form a chuck main body; the chuck body is provided with a plurality of groups of clamping grooves, and the plurality of groups of clamping grooves are respectively arranged along the circumferential array of the chuck body.

Optionally, the multiple sets of clamping grooves include a first set of clamping grooves, a second set of clamping grooves and a third set of clamping grooves, the first set of clamping grooves, the second set of clamping grooves and the third set of clamping grooves are respectively formed along the edge to the center direction of the chuck main body, and the depths of the first set of clamping grooves, the second set of clamping grooves and the third set of clamping grooves are sequentially set from shallow to deep.

Optionally, the central axes of the first group of clamping grooves, the second group of clamping grooves and the third group of clamping grooves are tangential to the circumference of the chuck body.

Optionally, the support frame is equipped with two, and one of them brace sets up on the terminal surface that first chuck kept away from the second chuck, and another brace sets up on the terminal surface that the second chuck kept away from first chuck.

Optionally, the first chuck and the second chuck are both made of rubber materials.

Optionally, connecting holes are further formed in the circle center positions of the support frame, the first chuck and the second chuck, and the connecting holes are connected with the drill rod warehouse.

The utility model also provides a drill rod warehouse structure, which comprises a rotary disc surface, a rubber clamp assembly and a chuck structure as claimed in the claims; the rotary disc surface is connected with the rubber clamp assembly through bolts to form an integral drill rod warehouse.

Optionally, the rubber clip assembly comprises a rubber clip and a connecting seat connected with the rubber clip through a bolt; the rubber clamp is used for clamping the drill rod, and is provided with a plurality of pieces which are respectively arranged at two circumferences of the clamping groove, and the single-piece rubber clamp is connected with the connecting seat through bolts; the connecting seat is connected with the rotating disc surface through bolts.

Optionally, two groups of open slots are formed in the rotary disk surface along the circumferential array, and the depth from the first group of open slots to the central axis of the rotary disk surface along the outer circumference of the rotary disk surface is smaller than the depth from the second group of open slots to the central axis of the rotary disk surface along the outer circumference of the rotary disk surface; and a plurality of connecting holes for connecting with the connecting seats are uniformly distributed on two sides of the first group of open slots and the second group of open slots.

Optionally, the rotary disc surface comprises a first rotary disc and a second rotary disc which are symmetrically arranged, and the first rotary disc is connected with the second rotary disc through a connecting flange; and a plurality of grooves are formed in the first rotating disc and the second rotating disc, and the grooves are respectively arranged based on the radial directions of the first rotating disc and the second rotating disc.

Compared with the prior art, the utility model has the following beneficial effects:

(1) According to the chuck structure, the first chuck and the second chuck are made of rubber materials, so that when a drill rod enters the clamping groove, the drill rod is deformed through extrusion of rubber on two sides of the clamping groove, and the service life of the chuck is prolonged.

(2) The drill rod warehouse structure provided by the utility model provides two drill rod warehouses with different structures, and the positions and the shapes of the clamping grooves of the rubber chucks are reasonably designed to meet the requirements of automatic connecting rods and unloading rods.

In addition to the objects, features and advantages described above, the present utility model has other objects, features and advantages. The present utility model will be described in further detail with reference to the drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

FIG. 1 is a schematic front view of a chuck structure according to an embodiment of the present utility model;

FIG. 2 is a schematic top view of FIG. 1;

FIG. 3 is a schematic front view of a first construction of a drill pipe magazine according to an embodiment of the present utility model;

FIG. 4 is a schematic front view of a second embodiment of a drill pipe magazine structure according to the present utility model;

FIG. 5 is a schematic front view of the first rotary disk of FIG. 4;

FIG. 6 is a schematic front view of the second rotary disk of FIG. 4;

FIG. 7 is a schematic illustration of the structural sizing of the first rotary disk of FIG. 4;

FIG. 8 is a schematic illustration of the structural sizing of the second rotary disk of FIG. 4;

fig. 9 is a schematic view of the rubber clip assembly of fig. 3 and 4.

Wherein:

1. the first chuck, 1.1, first group's draw-in groove, 1.2, second group's draw-in groove, 1.3, third group's draw-in groove, 2, second chuck, 3, support frame, 4, rotatory quotation, 5, rubber clamp subassembly, 5.1, rubber clamp, 5.2, connecting seat, 7, first rotary disk, 8, flange, 9, second rotary disk.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. It should be noted that the drawings of the present utility model are in simplified form and are not precisely scaled, so as to facilitate the clear and convenient explanation of the implementation of the present utility model; the utility model is not limited to the specific numbers mentioned in the examples of the drawings; the directions and positional relationships indicated by the terms "rear", "left", "right", "upper", "lower", "top", "bottom", "middle", etc. in the present utility model are all based on the directions and positional relationships shown in the drawings of the present utility model, and do not indicate or imply that the device or component to be referred to must have a specific direction, nor should it be construed as limiting the present utility model.

This embodiment:

referring to fig. 1 and 2, the chuck structure provided by the utility model comprises a first chuck 1, a second chuck 2 and a supporting frame 3;

the first chuck 1 and the second chuck 2 are arranged in a mutually symmetrical structure, and the first chuck 1 and the second chuck 2 are connected through a supporting frame 3 to form a chuck main body;

the chuck body is provided with a plurality of groups of clamping grooves, and the plurality of groups of clamping grooves are respectively arranged along the circumferential array of the chuck body.

Optionally, the support frame 3 is provided with two pieces, wherein one support frame 3 is connected with the first chuck 1 and is arranged on the end surface of the first chuck 1 far away from the second chuck 2, and the other support frame 3 is connected with the second chuck 2 and is arranged on the end surface of the second chuck 2 far away from the first chuck 1, so as to maintain the overall stability of the chuck and prevent excessive deformation. Here, preference is given to: the first chuck 1 and the second chuck 2 are each preferably provided in a disc structure.

Optionally, the plurality of sets of clamping grooves preferably include a first set of clamping grooves 1.1, a second set of clamping grooves 1.2 and a third set of clamping grooves 1.3, the first set of clamping grooves 1.1, the second set of clamping grooves 1.2 and the third set of clamping grooves 1.3 are respectively formed along the direction from the edge to the center of the chuck body, and the depths of the first set of clamping grooves 1.1, the second set of clamping grooves 1.2 and the third set of clamping grooves 1.3 are sequentially from shallow to deep (i.e. the depth of the first set of clamping grooves 1.1 is smaller than the depth of the second set of clamping grooves 1.2, and the depth of the second set of clamping grooves 1.2 is smaller than the depth of the third set of clamping grooves). Here, preference is given to: the central axes of the first group of clamping grooves 1.1, the second group of clamping grooves 1.2 and the third group of clamping grooves 1.3 are tangential to the circumference of the chuck main body, so that a drill rod enters the first group of clamping grooves 1.1, the second group of clamping grooves 1.2 or the third group of clamping grooves 1.3 along the central axis of the clamping grooves and then contacts the central axis of the chuck main body as much as possible, and the drill rod is prevented from generating torque outside the window when entering the clamping grooves.

Optionally, the first chuck 1 and the second chuck 2 are made of rubber materials, so that the service life of the chuck is prolonged through extrusion deformation of rubber on two sides of the clamping groove when the drill rod enters the clamping groove.

Optionally, connecting holes are further formed in the circle center positions of the support frame 3, the first chuck 1 and the second chuck 2, and the connecting holes are connected with the drill rod warehouse.

When the drill rod clamping device works, the clamping disc is arranged on the rotating shaft of the drill rod warehouse, and the clamping disc is driven to switch different positions through the rotation of the rotating shaft so as to match the mechanical arm to carry out the action of connecting rod or unloading rod.

Referring to fig. 3 and 9, the utility model further provides a drill rod warehouse structure, which comprises a rotary disc surface 4, a rubber clamp assembly 5 and the chuck structure;

the rotary disc surface 4 is connected with the rubber clamp assembly 5 through bolts to form an integral drill rod warehouse, so that the rotary disc surface can be replaced according to the abrasion condition of the rubber clamp assembly 5 in actual work, and the maintenance cost is reduced.

Optionally, the rotary disk surface 4 is preferably made of carbon steel; and the diameter of the rotary disc surface 4 is determined according to the number and the diameter of drilling rods required.

Optionally, the rubber clamp assembly 5 includes a rubber clamp 5.1 and a connecting seat 5.2 connected with the rubber clamp 5.1 through a bolt, the rubber clamp 5.1 is used for clamping a drill rod, the rubber clamp 5.1 is preferably provided with a plurality of pieces respectively arranged at two weeks of the clamping groove, and the single piece rubber clamp 5.1 is connected with the connecting seat 5.2 through the bolt; the connecting seat 5.2 is connected with the rotary disc surface 4 through bolts.

Optionally, two groups of open slots are formed in the rotary disk surface 4 along the circumferential array, wherein the depth from the first group of open slots to the central axis of the rotary disk surface 4 along the outer circumference of the rotary disk surface 4 is smaller than the depth from the second group of open slots to the central axis of the rotary disk surface 4 along the outer circumference of the rotary disk surface 4; and a plurality of connecting holes for connecting with the connecting seat 5.2 are uniformly distributed on two sides of the first group of open slots and the second group of open slots.

Optionally, the rubber clip 5.1 is preferably made of polyurethane with the hardness of 80-90 HA, so that the rubber clip HAs the characteristic of better wear resistance.

Optionally, when rotary disk face 4 connects drilling rod demand quantity soon less (namely when the drilling rod is below 10), rotary disk face 1 sets up to monolithic structure, does not increase the under the prerequisite of rotary disk face 4 external diameter with rubber clamp assembly 5 interval evenly distributed in rotary disk face 4's both sides for overall structure is compacter, and the installation of being convenient for is overhauld.

As a further embodiment of the present utility model, referring to fig. 4 to 9, when the rotary disc surface 4 needs to be maximally provided with drill rods, the rotary disc surface 4 includes a first rotary disc 7 and a second rotary disc 9 symmetrically arranged with each other, and the first rotary disc 7 and the second rotary disc 9 are connected by a connecting flange 8; and a plurality of slots are formed on the first rotary disk 7 and the second rotary disk 9, the slots are respectively arranged based on the radial direction of the first rotary disk 7 and the second rotary disk 9, and the arrangement rules of the slots are preferably set as (1) - (3) - (1) - (3) (wherein (1) represents that only one drill rod slot exists at the indexing angle, and (3) represents that 3 drill rods can be stored in the radial direction under the indexing angle).

Alternatively, considering the structural size and arrangement space of the single rubber clip 5.1, the rubber clip assembly 5 is preferably provided with two pieces respectively arranged at two sides of the rotary disc surface 4 without increasing the outer diameter of the rotary disc surface 4, and the rubber clip assembly 5 arranged at one side of the rotary disc surface 4 is provided with two layers and the rubber clip assembly 5 at the other side is provided with a single layer.

As a further embodiment of the utility model, the rubber clips 5.1 are matched in pairs, the sizes of L, M, delta, phi D and the like are key design sizes, the positive pressure extension line of the contact surface is positioned in the size M in the process of entering and exiting the rubber clip assembly 5 during the design process, the value of the size L is ensured to enable the inlet angle theta of the drill rod to be between 20 and 25 degrees, and the size phi D is 2 to 3mm smaller than the diameter of the drill rod; when the diameter of the drill rod ranges from 30 mm to 51mm, the value range of the size delta value is 3mm to 5mm, and the reasonable design size can improve the smoothness of the process of entering and exiting the rubber clamp of the drill rod on the basis of ensuring the clamping force. In the comprehensive view, the dimension M controls the deformation direction of the rubber clamp, ensures that the upper rubber rotates clockwise around a hinge point in the process of entering and exiting the rubber clamp of the drill rod, the lower rubber rotates anticlockwise around the hinge point, the dimension phi D controls the clamping load of the drill rod reaching the center of the rubber clamp to prevent the drill rod from falling out, the dimension delta controls the maximum extrusion load of the drill rod in the process of entering and exiting the rubber clamp, the drill rod is too small to cause the falling-off, and the too large part of the rubber is excessively extruded to cause fatigue damage.

Taking a construction process of a drill rod warehouse as an example, a drill rod is manually placed in the drill rod warehouse on the ground before a connecting rod, a boom lifts a pushing mechanism to a face, a rock drill withdraws after the first drill rod is beaten, a manipulator swings to the drill rod warehouse along the movement track of the drill rod, the drill rod is taken out, the swinging is completed to the rock drill, the connecting rod is swung to a certain angle, the next connecting rod is prepared, the rock drill withdraws after drilling is completed, the manipulator clamps the drill rod and unloads the rod, the swinging is carried out to the position of the drill rod warehouse, the drill rod is sent into a rubber clamp assembly 5, the drill rod warehouse swings to a certain angle, the next rod withdrawing is prepared, and all rod unloading processes are sequentially completed.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. A chuck structure, characterized by comprising a first chuck (1), a second chuck (2) and a supporting frame (3);

the first chuck (1) and the second chuck (2) are arranged in a mutually symmetrical structure, and the first chuck (1) and the second chuck (2) are connected through a supporting frame (3) to form a chuck main body;

the chuck body is provided with a plurality of groups of clamping grooves, and the plurality of groups of clamping grooves are respectively arranged along the circumferential array of the chuck body.

2. The chuck structure according to claim 1, characterized in that the plurality of sets of clamping grooves comprise a first set of clamping grooves (1.1), a second set of clamping grooves (1.2) and a third set of clamping grooves (1.3), the first set of clamping grooves (1.1), the second set of clamping grooves (1.2) and the third set of clamping grooves (1.3) are respectively formed along the edge-to-center direction of the chuck body, and the depths of the first set of clamping grooves (1.1), the second set of clamping grooves (1.2) and the third set of clamping grooves (1.3) are sequentially set from shallow to deep.

3. The chuck structure according to claim 2, characterized in that the central axes of the first set of clamping grooves (1.1), the second set of clamping grooves (1.2) and the third set of clamping grooves (1.3) are all arranged tangentially to the circumference of the chuck body.

4. The chuck structure according to claim 1, wherein the support frame (3) is provided with two pieces, one of the support frames (3) is arranged on an end surface of the first chuck (1) away from the second chuck (2), and the other support frame (3) is arranged on an end surface of the second chuck (2) away from the first chuck (1).

5. Chuck structure according to any one of claims 1-4, characterized in that the first chuck (1) and the second chuck (2) are both made of rubber material.

6. The chuck structure according to claim 5, characterized in that the center positions of the support frame (3), the first chuck (1) and the second chuck (2) are also provided with connecting holes, and the connecting holes are connected with the drill rod warehouse.

7. A drill rod magazine structure, characterized by comprising a rotary disc face (4), a rubber clamp assembly (5) and a chuck structure as claimed in claim 6; the rotary disc surface (4) is connected with the rubber clamp assembly (5) through bolts to form an integral drill rod warehouse.

8. The drill rod magazine structure according to claim 7, characterized in that the rubber clamp assembly (5) comprises a rubber clamp (5.1) and a connection seat (5.2) connected to the rubber clamp (5.1) by means of bolts; the rubber clamp (5.1) is used for clamping the drill rod, the rubber clamp (5.1) is provided with a plurality of pieces which are respectively arranged at two weeks of the clamping groove, and the single piece rubber clamp (5.1) is connected with the connecting seat (5.2) through bolts; the connecting seat (5.2) is connected with the rotary disc surface (4) through bolts.

9. The drill rod magazine structure according to claim 7, characterized in that two sets of open grooves are provided on the rotary disc surface (4) along a circumferential array, the depth of the first set of open grooves along the outer circumference of the rotary disc surface (4) to the central axis of the rotary disc surface (4) being smaller than the depth of the second set of open grooves along the outer circumference of the rotary disc surface (4) to the central axis of the rotary disc surface (4); and a plurality of connecting holes for connecting with the connecting seat (5.2) are uniformly distributed on the two sides of the first group of open slots and the second group of open slots.

10. The drill rod magazine structure according to claim 7, characterized in that the rotary disc surface (4) comprises a first rotary disc (7) and a second rotary disc (9) which are arranged symmetrically to each other, the first rotary disc (7) and the second rotary disc (9) being connected by a connecting flange (8); and a plurality of grooves are formed in the first rotary disk (7) and the second rotary disk (9), and the grooves are respectively arranged in the radial direction of the first rotary disk (7) and the second rotary disk (9).