High-stability core drilling machine holder

The cylinder-driven sliding cylinder and linkage system solves the problem of insufficient clamping force in core drilling rigs, achieving stable clamping of drill rods and improving the efficiency and safety of exploration operations.

CN223661765UActive Publication Date: 2025-12-12HUNAN ENG POLYTECHNIC
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Patent Information

Application Number
CN202520340247.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-28
Publication Date
2025-12-12
Estimated Expiration
2035-02-28

AI Technical Summary

Technical Problem

Existing core drilling rigs have insufficient clamping force when holding drill rods, making them prone to loosening and affecting the efficiency and safety of exploration operations.

Method used

The cylinder-driven sliding cylinder and linkage system, through the cooperation of the arc groove and the sliding rod, drives the rotating ring and the fixed block to slide into the fixed groove, thereby enhancing the clamping force and preventing the drill rod from loosening.

Benefits of technology

It improves the clamping stability of drill pipe, thereby enhancing the efficiency and safety of exploration operations.

✦ Generated by Eureka AI based on patent content.

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Abstract

The high-stability core drilling machine holder comprises a guide sleeve, a mounting ring is fixedly connected to the outer surface of the guide sleeve, a clamping piece is slidably connected to the inner surface of the mounting ring, a rotating groove is formed in the position, located on the upper side of the mounting ring, of the outer surface of the guide sleeve, and a linkage piece is rotatably connected to the inner surface of the rotating groove; and movable grooves are formed in the two sides of the outer surface of the guide sleeve correspondingly, and a control piece is slidably connected between the inner surfaces of the two movable grooves. An air cylinder works to drive a sliding barrel in a control piece to slide upwards, a rotating ring in a linkage piece is driven to rotate anticlockwise under the action of sliding connection of a second arc-shaped groove and a second sliding rod, and meanwhile eight fixing blocks in a clamping piece are driven to slide into eight fixing grooves correspondingly through arrangement of a first arc-shaped groove and a first sliding rod; and therefore, the drill rod body is fixed in the guide sleeve, the clamping capacity is greatly enhanced, the drill rod body is prevented from loosening, and the efficiency and safety of exploration operation are improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to engineering drilling equipment technical field, specifically, relate to a high stability core drill holder. BACKGROUND

[0002] The core drill is a drilling equipment specially used for geological exploration, has multiple characteristics and wide application, and the working principle of the core drill is based on the working of rotation and pressure, after the drilling equipment carrying a drill bit and a drill rod and other tools enters a drilling position, power is provided through an electric power or hydraulic system, rotation and depression of the drill rod are driven, the drill bit enters the ground to drill, the drill bit rotates in the ground and exerts pressure to drill the rock, generates a core, the drill rod extracts the core from the drilling hole through an auxiliary equipment and keeps the integrity of the core, and these core samples can be used for research and analysis in the fields of geological exploration, mineral investigation, geological engineering and the like.

[0003] The existing core drill has the problems of insufficient clamping force and easy loosening when clamping and positioning the drill rod in the form of butterfly spring clamping or slip automatic centering, which seriously affects the efficiency and safety of exploration operation.

[0004] Therefore, the utility model improves the existing problems and provides a high-stability core drill holder. UTILITY MODEL CONTENTS

[0005] The utility model aims at: the existing core drill has the problems of insufficient clamping force and easy loosening when clamping and positioning the drill rod in the form of butterfly spring clamping or slip automatic centering, which seriously affects the efficiency and safety of exploration operation.

[0006] In order to realize the above-mentioned purposes, the utility model provides the following technical scheme:

[0007] A high-stability core drill holder is provided to improve the above-mentioned problems.

[0008] The application is as follows:

[0009] The utility model discloses a guide sleeve, the inner surface sliding connection of guide sleeve has drill rod body, the outer surface fixed connection of guide sleeve has installation ring, the inner surface sliding connection of installation ring has the clamping piece for fixing drill rod body, the upper side of installation ring is equipped with the rotation groove of guide sleeve outer surface, the inner surface rotation connection of rotation groove has the linkage, both sides of guide sleeve outer surface are equipped with the movable slot, the inner surface sliding connection between two movable slots has control piece.

[0010] The working of the air cylinder drives the sliding cylinder in the control member to slide upwards, and drives the rotating ring in the linkage member to rotate counterclockwise under the action of the sliding connection of the arc-shaped groove two and the slide rod two, and drives the eight fixed blocks in the clamping member to slide into the eight fixed grooves respectively under the setting of the arc-shaped groove one and the slide rod one, so that the drill rod body is fixed in the guide sleeve, the clamping capacity is greatly enhanced, the drill rod body is prevented from loosening, and the efficiency and safety of exploration operation are improved.

[0011] As a preferred embodiment of the high-stability core drill rig clamp provided by the utility model, the clamping member comprises fixed blocks, eight sliding grooves are arranged between the guide sleeve and the mounting ring, the eight fixed blocks are arranged, and eight fixed grooves are arranged on the inner side of the mounting ring and located on the outer surface of the drill rod body.

[0012] As a preferred embodiment of the high-stability core drill rig clamp provided by the utility model, the linkage member comprises a rotating ring, the rotating ring is slidably arranged in the rotating groove, and eight arc-shaped grooves one are arranged on the lower surface of the rotating ring.

[0013] As a preferred embodiment of the high-stability core drill rig clamp provided by the utility model, the control member comprises a sliding cylinder, the sliding cylinder is slidably arranged in the movable groove, the upper surface of the rotating ring is fixedly connected with a connecting cylinder, arc-shaped grooves two are arranged on the two sides of the inner surface of the sliding cylinder, slide rods two are fixedly connected with the two sides of the outer surface of the connecting cylinder, and the two slide rods two are slidably arranged in the two arc-shaped grooves two.

[0014] As a preferred embodiment of the high-stability core drill rig clamp provided by the utility model, the two sides of the outer surface of the guide sleeve are fixedly connected with mounting plates, the upper surface of the mounting plate is fixedly connected with an air cylinder, and the output end of the air cylinder is fixedly connected with the inner top surface of the connecting cylinder.

[0015] As a preferred embodiment of the high-stability core drill rig clamp provided by the utility model, the two sides of the inner surface of the guide sleeve are provided with clamping grooves, and the two sides of the outer surface of the drill rod body are fixedly connected with clamping blocks.

[0016] Compared with the prior art, the utility model has the advantages of:

[0017] The working of the air cylinder drives the sliding cylinder in the control member to slide upwards, and drives the rotating ring in the linkage member to rotate counterclockwise under the action of the sliding connection of the arc-shaped groove two and the slide rod two, and drives the eight fixed blocks in the clamping member to slide into the interiors of the eight fixed grooves respectively under the setting of the arc-shaped groove one and the slide rod one, so that the drill rod body is fixed in the interior of the guide sleeve, the clamping capacity is greatly enhanced, the drill rod body is prevented from loosening, and the efficiency and safety of the exploration operation are improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 A structure schematic view of the high-stability core drill rig clamp provided in the application is provided.

[0019] Figure 2 A front structure schematic view of the drill rod body of the high-stability core drill rig clamp provided in the application is provided.

[0020] Figure 3 An enlarged structure schematic view of A of the high-stability core drill rig clamp provided in the application is provided.

[0021] Figure 4 An enlarged structure schematic view of B of the high-stability core drill rig clamp provided in the application is provided.

[0022] Figure 5 A structure schematic view of the guide sleeve of the high-stability core drill rig clamp provided in the application is provided.

[0023] Figure 6 An enlarged structure schematic view of C of the high-stability core drill rig clamp provided in the application is provided.

[0024] Figure 7 An upper structure schematic view of the rotating ring of the high-stability core drill rig clamp provided in the application is provided.

[0025] Figure 8 An upper structure schematic view of the mounting ring of the high-stability core drill rig clamp provided in the application is provided.

[0026] Figure 9 A front structure schematic view of the guide sleeve of the high-stability core drill rig clamp provided in the application is provided.

[0027] Figure 10 A structure schematic view of the drill rod body of the high-stability core drill rig clamp provided in the application is provided.

[0028] Indications in the drawings:

[0029] 1, guide sleeve; 11, drill rod body; 2, mounting ring; 21, sliding groove; 22, fixed block; 23, fixed groove; 24, rotating groove; 25, rotating ring; 26, arc-shaped groove I; 27, sliding rod I; 3, movable groove; 31, sliding cylinder; 32, connecting cylinder; 33, arc-shaped groove II; 34, sliding rod II; 35, mounting plate; 36, air cylinder; 4, clamping groove; 41, clamping block. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments.

[0031] Therefore, the following detailed description of the embodiments of the present application is not intended to limit the scope of the claimed application, but only represents some embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0032] It should be noted that the embodiments in the present application and the features and technical solutions in the embodiments can be combined with each other without conflict.

[0033] It should be noted that: similar reference numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0034] In the description of the present application, it should be noted that the terms "upper", "lower" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product of the present application is usually placed, or the orientation or positional relationship commonly understood by those skilled in the art. Such terms are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second" and the like are only used for differentiation and cannot be understood as indicating or implying relative importance.

[0035] The existing core drill rig as described in the background art generally uses butterfly spring clamping or slip automatic centering type when clamping and positioning the drill rod, which has the problems of insufficient clamping force and easy loosening, seriously affecting the efficiency and safety of exploration operations.

[0036] In order to solve this technical problem, the present application provides a high-stability core drill rig clamp.

[0037] Specifically, refer to Figures 1-10 The high-stability core drill holder specifically comprises a guide sleeve 1, an inner surface of the guide sleeve 1 being slidably connected with a drill rod body 11, an outer surface of the guide sleeve 1 being fixedly connected with a mounting ring 2, an inner surface of the mounting ring 2 being slidably connected with a clamping piece for fixing the drill rod body 11, a rotation groove 24 being arranged on an upper side of the mounting ring 2 of the outer surface of the guide sleeve 1, an inner surface of the rotation groove 24 being rotatably connected with a linkage piece, two movable grooves 3 being arranged on both sides of the outer surface of the guide sleeve 1, and an inner surface of the two movable grooves 3 being slidably connected with a control piece.

[0038] The control piece is driven to slide upward by the working of the air cylinder 36, and the linkage piece is driven to rotate counterclockwise by the sliding of the sliding cylinder 31 in the control piece and the sliding connection of the arc-shaped groove two 33 and the sliding rod two 34, and meanwhile, the eight fixing blocks 22 in the clamping piece are driven to slide into the eight fixing grooves 23 respectively by the arrangement of the arc-shaped groove one 26 and the sliding rod one 27, so as to fix the drill rod body 11 in the guide sleeve 1, greatly enhance the clamping capacity, prevent the drill rod body 11 from loosening, and improve the efficiency and safety of the exploration operation.

[0039] In order for those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings.

[0040] It should be noted that the embodiments in the present application and the features and technical solutions in the embodiments can be combined with each other without conflict.

[0041] It should be noted that: similar labels and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0042] Embodiment 1

[0043] Please refer to Figures 1-10The utility model provides a kind of high-stability core drill rig holder, including guide sleeve 1, the inner surface of guide sleeve 1 is slidably connected with drill stem body 11, the outer surface of guide sleeve 1 is fixedly connected with mounting ring 2, the inner surface of mounting ring 2 is slidably connected with the holder for being fixed to drill stem body 11, rotating groove 24 is located in the upper side of mounting ring 2 and is opened in the outer surface of guide sleeve 1, connecting piece is rotatably connected with the inner surface of rotating groove 24, both sides of the outer surface of guide sleeve 1 are opened and are equipped with movable slot 3, and the inner surface between two movable slots 3 is slidably connected with control member.The holder includes fixed block 22, eight sliding slots 21 are opened between guide sleeve 1 and mounting ring 2, eight fixed blocks 22 are provided, eight fixed grooves 23 are opened in the inner side of the outer surface of drill stem body 11 and are located in mounting ring 2, and eight fixed blocks 22 are slidably arranged in the inside of sliding slot 21 and fixed groove 23 respectively.The connecting piece includes rotating ring 25, rotating ring 25 is slidably arranged in the inside of rotating groove 24, eight arc grooves one 26 are opened in the lower surface of rotating ring 25, the upper surface of eight fixed blocks 22 is fixedly connected with slide rod one 27, and eight slide rods one 27 are slidably arranged in the inside of eight arc grooves one 26 respectively.The control member includes sliding cylinder 31, sliding cylinder 31 is slidably arranged in the inside of movable slot 3, the upper surface of rotating ring 25 is fixedly connected with connecting cylinder 32, arc groove two 33 is opened in the both sides of the inner surface of sliding cylinder 31, the both sides of the outer surface of connecting cylinder 32 are fixedly connected with slide rod two 34, and two slide rods two 34 are slidably arranged in the inside of two arc grooves two 33 respectively.Both sides of the outer surface of guide sleeve 1 are fixedly connected with mounting plate 35, the upper surface of mounting plate 35 is fixedly connected with air cylinder 36, and the output end of air cylinder 36 is fixedly connected with the inner top surface of connecting cylinder 32.Both sides of the inner surface of guide sleeve 1 are opened and are equipped with clamping groove 4, the both sides of the outer surface of drill stem body 11 are fixedly connected with clamping block 41, and two clamping blocks 41 are slidably arranged in the inside of two clamping grooves 4 respectively.

[0044] Implementation process: initial state is fixed state, when needing to hold and fix drill stem body 11, drill stem body 11 is inserted into the inside of guide sleeve 1 from below to above, makes clamping block 41 slide to the inside of clamping groove 4, then air cylinder 36 starts to work and drives sliding cylinder 31 to slide on the inner surface of movable slot 3 and the outer surface of connecting cylinder 32 upwards, makes slide rod two 34 slide in arc groove two 33 while, slide rod two 34 drives connecting cylinder 32 and rotating ring 25 to rotate counterclockwise on the inner surface of rotating groove 24, because slide rod one 27 is slidably arranged in the inside of arc groove one 26, fixed block 22 is slidably arranged in the inside of sliding slot 21, the counterclockwise rotation of rotating ring 25 drives slide rod one 27 to slide in arc groove one 26 while, slide rod one 27 drives fixed block 22 to slide inwards in the inside of sliding slot 21, makes eight fixed blocks 22 slide in the inside of eight fixed grooves 23 respectively, to complete the holding and fixing of drill stem body 11, when needing to remove the fixed, reverse operation can be carried out.

[0045] Implementation benefit: the clamping and fixing of the drill rod body 11 is realized.

[0046] The above embodiments are only used to illustrate the technical solutions described in the utility model and not to limit the utility model. Although the utility model has been described in detail with reference to the above embodiments, the utility model is not limited to the above specific embodiments, and therefore any modification or equivalent replacement of the utility model, and all technical solutions and improvements that do not deviate from the spirit and scope of the invention are all covered in the scope of the claims of the utility model.

Claims

1. A high-stability core drill holder, comprising a guide sleeve (1), the inner surface of the guide sleeve (1) is slidingly connected with a drill rod body (11), characterized in that, The outer surface of the guide sleeve (1) is fixedly connected with a mounting ring (2), the inner surface of the mounting ring (2) is slidably connected with a clamping piece for fixing the drill rod body (11), the outer surface of the guide sleeve (1) is provided with a rotating groove (24) on the upper side of the mounting ring (2), the inner surface of the rotating groove (24) is rotatably connected with a connecting piece, and the outer surface of the guide sleeve (1) is provided with a movable groove (3) on both sides.

2. A high-stability core drill holder according to claim 1, characterized in that The clamping piece comprises a fixing block (22), eight sliding grooves (21) are arranged between the guide sleeve (1) and the mounting ring (2), and the fixing block (22) is provided with eight fixing blocks (22).

3. A high-stability core drill holder according to claim 2, characterized in that The connecting piece comprises a rotating ring (25), the rotating ring (25) is slidably arranged in the rotating groove (24), the lower surface of the rotating ring (25) is provided with eight arc-shaped grooves (26), the upper surface of the eight fixing blocks (22) is fixedly connected with a sliding rod (27), and the eight sliding rods (27) are slidably arranged in the eight arc-shaped grooves (26).

4. A high-stability core drill holder according to claim 3, characterized in that The control piece comprises a sliding cylinder (31), the sliding cylinder (31) is slidably arranged in the movable groove (3), the upper surface of the rotating ring (25) is fixedly connected with a connecting cylinder (32), the inner surface of the sliding cylinder (31) is provided with arc-shaped grooves (33) on both sides, the outer surface of the connecting cylinder (32) is fixedly connected with a sliding rod (34) on both sides, and the two sliding rods (34) are slidably arranged in the two arc-shaped grooves (33).

5. A high-stability core drill holder according to claim 4, characterized in that The outer surface of the guide sleeve (1) is fixedly connected with a mounting plate (35), the upper surface of the mounting plate (35) is fixedly connected with a gas cylinder (36), and the output end of the gas cylinder (36) is fixedly connected with the inner top surface of the connecting cylinder (32).

6. The high-stability core drill holder of claim 1, wherein, The inner surface of the guide sleeve (1) is provided with a clamping groove (4) on both sides, and the outer surface of the drill rod body (11) is fixedly connected with a clamping block (41) on both sides.