Drill rod change-over device

By designing a drill rod support unit and a drill rod replacement unit, and using hydraulic cylinders and electric slides to achieve automated replacement of drill rods, the problem of low efficiency of manual operation in existing technologies is solved, and the work efficiency of tunnel construction is improved.

CN223724546UActive Publication Date: 2025-12-26HUNAN QILI TUNNEL MASCH CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202520632827.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-07
Publication Date
2025-12-26
Estimated Expiration
2035-04-07

AI Technical Summary

Technical Problem

Existing drill rod replacement devices require manual insertion and removal, resulting in low work efficiency. They are particularly inconvenient to operate in confined spaces and increase equipment investment.

Method used

The design incorporates a support unit and a replacement unit, utilizing hydraulic cylinders and electric slides to achieve automatic installation and disassembly of the drill rod. Through the support gripper and its coordination, the drill rod can be replaced automatically.

Benefits of technology

It enables automatic installation and disassembly of drill rods, improving work efficiency, reducing manual operation, and is suitable for tunnel construction environments in confined spaces.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223724546U_ABST
    Figure CN223724546U_ABST
Patent Text Reader

Abstract

The utility model discloses a drill rod change-over device, which relates to the technical field of drill rod change-over, and comprises a main body unit, a drill rod change-over unit arranged at the side part of the main body unit, and a drill rod supporting unit arranged in the main body unit, the drill rod supporting unit comprises an oil pipe rack mounted on the side wall of the main body unit and a drill rod supporting piece arranged in the main body unit; the drill rod replacing unit comprises a supporting base arranged above the main body unit and two drill rod replacing pieces arranged on the side portion of the supporting base. According to the drill rod changing device, the drill rod supporting unit and the drill rod changing unit are arranged, so that automatic installation of the drill rod is achieved, labor is saved, and working efficiency is improved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of drill rod change connection, particularly relates to a drill rod change connection device. BACKGROUND

[0002] There are two operation modes when using a tunnel trolley (also known as a rock drilling jumbo) to operate: 1. One rock drilling machine is used to install a drill rod and is responsible for drilling a hole, and after the anchor rod hole is drilled, the rock drilling machine leaves, and another rock drilling machine is used to install an anchor rod in the anchor rod hole; due to the very small space of tunnel construction and underground mining, the use of two rock drilling machines for alternate work occupies a large space, is inconvenient to operate, and increases equipment investment. 2. One rock drilling machine is used, and after the drill rod is used to complete drilling, the drill rod on the rock drilling machine is manually replaced with an anchor rod to complete anchor rod installation.

[0003] After retrieval, the drill rod change connection device in the publication (announcement) No. CN215565797U belongs to the technical field of mine equipment. The technical scheme is that the upper slide plate is slidably arranged on the lower slide plate through the dovetail groove and the dovetail guide rail; the rock drilling machine is arranged on the upper surface of the upper slide plate, the piston rod of the hydraulic oil cylinder is fixedly connected with the upper slide plate or the rock drilling machine, and the cylinder body of the hydraulic oil cylinder is fixedly connected with the lower slide plate through the oil cylinder support; the end of the rock drilling machine is provided with a locking mechanism, the locking mechanism is provided with a drill tail hole, the drill rod is arranged in the drill tail hole, and the drill rod is locked through the locking mechanism. The drill rod change connection device has the beneficial effects that the movement of the hydraulic oil cylinder drives the rock drilling machine to slide, the structure is simple, the water needle type drill rod and the threaded drill rod can be quickly replaced in the drill tail hole of the rock drilling machine, time and labor are saved, and the drill rod change connection device is suitable for the tunnel construction environment with small height size.

[0004] Although the above-mentioned scheme utilizes the movement of the hydraulic oil cylinder to facilitate the quick replacement of the water needle type drill rod and the threaded drill rod in the drill tail hole of the rock drilling machine and saves time and labor, manual plugging and installation of the drill rod are still required, and the working efficiency is low. Therefore, we propose a drill rod change connection device. UTILITY MODEL CONTENTS

[0005] The main purpose of the utility model is to provide a drill rod change connection device, which solves the problem of low working efficiency caused by manual plugging and installation of the drill rod by arranging the drill rod supporting unit and the drill rod changing unit.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A drill rod change connection device, comprising a main unit, a drill rod changing unit arranged on the side of the main unit, and a drill rod supporting unit arranged in the main unit.

[0008] The drill rod supporting unit comprises an oil pipe rack arranged on the side wall of the main unit and a drill rod supporting member arranged in the main unit.

[0009] The drill replacing unit comprises a supporting seat arranged above the main unit, and two drill replacing members arranged at the side of the supporting seat.

[0010] Preferably, the main unit comprises a fixed beam, a sliding rail mounted on the top of the fixed beam, and a drill hole forming member arranged above the fixed beam.

[0011] Preferably, the drill hole forming member comprises an electric sliding seat movably mounted in the sliding rail, and a rock drill mounted on the top of the electric sliding seat.

[0012] Preferably, the main unit further comprises a wire winding roller mounted on the top of the fixed beam.

[0013] Preferably, the drill supporting member comprises a drill supporting body frame mounted in the fixed beam, a first hydraulic cylinder mounted in the drill supporting body frame, a supporting gripper movably mounted in the drill supporting body frame, and a connecting rod having one end movably connected with the telescopic end of the first hydraulic cylinder and the other end movably connected with the supporting gripper.

[0014] Preferably, the whole structure of the supporting gripper and the connecting rod comprises two groups, and the two groups of the whole structure of the supporting gripper and the connecting rod are symmetrically arranged about the first hydraulic cylinder.

[0015] Preferably, the drill replacing member comprises a mounting seat mounted on the side wall of the fixed beam, a connecting seat movably mounted in the mounting seat, a second hydraulic cylinder movably mounted in the connecting seat, a lower gripper movably mounted at the telescopic end of the second hydraulic cylinder, an upper gripper movably mounted in the connecting seat, and a third hydraulic cylinder movably mounted in the connecting seat and having the telescopic end movably connected with the upper gripper.

[0016] Compared with the prior art, the drill replacing unit has the following beneficial effects:

[0017] In the drill replacing unit, when the drill rod needs to be installed, the telescopic end of the third hydraulic cylinder is elongated, the telescopic end of the second hydraulic cylinder is contracted, the drill rod is fixed and moved by the upper gripper and the lower gripper, and the drill rod stops when it is located directly above the fixed beam. Then, the telescopic end of the first hydraulic cylinder is elongated, the drill rod is fixed and supported by the two supporting grippers, the third hydraulic cylinder and the third hydraulic cylinder are reversely moved, the drill rod is released, the telescopic end of the first hydraulic cylinder is contracted, the drill rod is moved downward, and the drill rod stops when it is aligned with the drill hole on the rock drill. Then, the electric sliding seat drives the rock drill to move towards the drill rod, the drill rod is inserted into the drill hole on the rock drill, and the locking mechanism on the rock drill locks the drill rod, so that the drill rod is automatically installed. When the drill rod needs to be disassembled, the above steps are reversely performed. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the three-dimensional structure schematic view of the utility model;

[0019] Figure 2 It is the three-dimensional structure schematic view of the utility model;

[0020] Figure 3 It is the three-dimensional structure schematic view of the utility model;

[0021] Figure 4 It is the three-dimensional structure schematic view of the utility model;

[0022] Figure 5 It is the three-dimensional structure schematic view of the utility model;

[0023] In the drawing:

[0024] 1, main unit;101, fixed beam;102, slide rail;103, drill hole part;1031, rock drill;1032, electric slide;104, winding roller;

[0025] 2, support drill unit;201, oil pipe support;202, support drill part;2021, support drill main frame;2022, first hydraulic cylinder;2023, support gripper;2024, connecting rod;

[0026] 3, drill changing unit;301, support seat;302, drill changing part;3021, mounting seat;3022, connecting seat;3023, second hydraulic cylinder;3024, lower gripper;3025, upper gripper;3026, third hydraulic cylinder. Specific implementation

[0027] In order to make the technical means, creative features, purposes and effects realized by the utility model easy to understand, the utility model is further described below in combination with specific implementation modes. Example 1

[0028] As shown in Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 , a drill rod changing device, comprising a main unit 1, further comprising a drill changing unit 3 arranged on the side of the main unit 1, and a support drill unit 2 arranged in the main unit 1.

[0029] As shown in Figure 1 , the support drill unit 2 comprises an oil pipe support 201 mounted on the side wall of the main unit 1, and a support drill part 202 arranged in the main unit 1, and the oil pipe support 201 is arranged to facilitate the delivery of hydraulic oil required by the hydraulic telescopic rod.

[0030] like Figure 1 As shown, the rod changing unit 3 includes a support base 301 disposed above the main body unit 1, and a rod changing component 302 disposed on the side of the support base 301. There are two rod changing components 302. The arrangement of the rod changing components 302 facilitates the rapid replacement of the rod.

[0031] like Figure 1 As shown, the main unit 1 includes a fixed beam 101, a slide rail 102 mounted on the top of the fixed beam 101, and a drilling component 103 disposed above the fixed beam 101. The slide rail 102 facilitates the movement of the drilling component 103 on the fixed beam 101.

[0032] like Figure 1 As shown, the drilling component 103 includes an electric slide block 1032 movably installed in the slide rail 102, and a rock drill 1031 installed on top of the electric slide block 1032. The rock drill 1031 facilitates the reciprocating motion of the drill rod, thereby realizing the mining of stone.

[0033] like Figure 4 and Figure 5 As shown, the support member 202 includes a support body frame 2021 installed inside the fixed beam 101, a first hydraulic cylinder 2022 installed inside the support body frame 2021, a support gripper 2023 movably installed inside the support body frame 2021, and a connecting rod 2024 with one end movably connected to the telescopic end of the first hydraulic cylinder 2022 and the other end movably connected to the support gripper 2023. When the telescopic end of the first hydraulic cylinder 2022 extends or retracts, the support gripper 2023 can be rotated through the connecting rod 2024.

[0034] like Figure 4 As shown, there are two sets of integrated structures consisting of the support gripper 2023 and the connecting rod 2024, and the two sets of integrated structures consisting of the support gripper 2023 and the connecting rod 2024 are symmetrically arranged about the first hydraulic cylinder 2022, so as to facilitate the gripping of the drill rod.

[0035] like Figure 2 and Figure 3 As shown, the drill bit replacement component 302 includes a mounting base 3021 mounted on the side wall of the fixed beam 101, a connecting base 3022 movably mounted inside the mounting base 3021, a second hydraulic cylinder 3023 movably mounted inside the connecting base 3022, a lower gripper 3024 movably mounted on the telescopic end of the second hydraulic cylinder 3023, an upper gripper 3025 movably mounted inside the connecting base 3022, and a third hydraulic cylinder 3026 movably mounted inside the connecting base 3022 and whose telescopic end is movably connected to the upper gripper 3025. When the telescopic end of the third hydraulic cylinder 3026 extends or retracts, it can drive the upper gripper 3025 to rotate within the connecting base 3022.

[0036] When the downward movement of the drill rod needs to be driven, the third hydraulic cylinder 3026 is extended and the second hydraulic cylinder 3023 is retracted, the drill rod is fixed and moved by the upper gripper 3025 and the lower gripper 3024, and stops until the drill rod is located directly above the fixed beam 101, then the first hydraulic cylinder 2022 is extended, so that the two supporting grippers 2023 fix and support the drill rod, then the third hydraulic cylinder 3026 and the second hydraulic cylinder 3023 move reversely to release the fixation of the drill rod, at this time, the first hydraulic cylinder 2022 is retracted, and the drill rod can be driven to move downward. Embodiment 2

[0037] As shown in Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 , a drill rod changing device, comprising a main unit 1, further comprising a drill rod changing unit 3 arranged on the side of the main unit 1, and a drill rod supporting unit 2 arranged inside the main unit 1;

[0038] As shown in Figure 1 , the drill rod supporting unit 2 comprises an oil pipe rack 201 mounted on the side wall of the main unit 1, and a drill rod supporting member 202 arranged inside the main unit 1, the oil pipe rack 201 is arranged to facilitate the delivery of hydraulic oil for the oil circuit required by the hydraulic telescopic rod;

[0039] As shown in Figure 1 , the drill rod changing unit 3 comprises a support seat 301 arranged above the main unit 1, and a drill rod changing member 302 arranged on the side of the support seat 301, and the drill rod changing member 302 has two, the drill rod changing member 302 is arranged to facilitate the quick changing of the drill rod.

[0040] As shown in Figure 1 , the main unit 1 comprises a fixed beam 101, a sliding rail 102 mounted on the top of the fixed beam 101, and a drilling member 103 arranged above the fixed beam 101, the sliding rail 102 is arranged to facilitate the movement of the drilling member 103 on the fixed beam 101.

[0041] As shown in Figure 1 , the drilling member 103 comprises a movable electric slide 1032 mounted in the sliding rail 102, and a rock drill 1031 mounted on the top of the electric slide 1032, the rock drill 1031 is arranged to facilitate the reciprocating movement of the drill rod, thereby realizing the mining of stone.

[0042] As shown in Figure 1 , the main unit 1 further comprises a winding roller 104 mounted on the top of the fixed beam 101, the winding roller 104 is arranged to facilitate the winding of the line for the reciprocating movement of the rock drill 1031.

[0043] As Figure 4 With Figure 5 As shown in the drawings, the supporting and holding member 202 includes a supporting and holding body frame 2021 mounted inside the fixed beam 101, a first hydraulic cylinder 2022 mounted inside the supporting and holding body frame 2021, a supporting and holding gripper 2023 movably mounted inside the supporting and holding body frame 2021, and a connecting rod 2024 movably connected at one end to the first hydraulic cylinder 2022 and at the other end to the supporting and holding gripper 2023, and when the first hydraulic cylinder 2022 is extended or retracted, the supporting and holding gripper 2023 can be rotated through the connecting rod 2024.

[0044] As Figure 4 As shown in the drawings, the supporting and holding gripper 2023 and the connecting rod 2024 form a whole structure, and the two groups of supporting and holding grippers 2023 and connecting rods 2024 are symmetrically arranged about the first hydraulic cylinder 2022, so as to facilitate the clamping of the drill rod.

[0045] As Figure 2 With Figure 3 As shown in the drawings, the drill changing member 302 includes a mounting seat 3021 mounted on the side wall of the fixed beam 101, a connecting seat 3022 movably mounted inside the mounting seat 3021, a second hydraulic cylinder 3023 movably mounted inside the connecting seat 3022, a lower gripper 3024 movably mounted at the extension end of the second hydraulic cylinder 3023, an upper gripper 3025 movably mounted inside the connecting seat 3022, and a third hydraulic cylinder 3026 movably mounted inside the connecting seat 3022 and movably connected at the extension end to the upper gripper 3025, and when the third hydraulic cylinder 3026 is extended or retracted, the upper gripper 3025 can be rotated in the connecting seat 3022.

[0046] When the drill rod needs to be installed, the drill rod is lowered until the drill rod is aligned with the drill hole on the rock drill 1031, and then the electric slide 1032 is controlled to move the rock drill 1031 towards the drill rod until the drill rod is inserted into the drill hole on the rock drill 1031, and then the locking mechanism on the rock drill 1031 locks the drill rod, thereby achieving automatic installation of the drill rod, saving labor and improving work efficiency.

[0047] The above shows and describes the basic principles and main features of the present application and the advantages of the present application. It should be understood by those skilled in the art that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application, and various changes and improvements can be made without departing from the spirit and scope of the present application. These changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A drill rod changing device comprising a main unit (1), characterized in that, The drill changing unit (3) is arranged on the side of the main unit (1), and the drill supporting unit (2) is arranged in the main unit (1). The drill supporting unit (2) comprises a oil pipe rack (201) arranged on the side wall of the main unit (1), and a drill supporting member (202) arranged in the main unit (1). The drill changing unit (3) comprises a supporting seat (301) arranged above the main unit (1), and a drill changing member (302) arranged on the side of the supporting seat (301), and the drill changing member (302) has two.

2. A device according to claim 1, wherein: The main unit (1) comprises a fixed beam (101), a slide rail (102) arranged on the top of the fixed beam (101), and a drilling member (103) arranged above the fixed beam (101).

3. A telescoping rod assembly according to claim 2, wherein: The drilling member (103) comprises an electric slide (1032) movably arranged in the slide rail (102), and a rock drill (1031) arranged on the top of the electric slide (1032).

4. A device according to claim 3, wherein: The main unit (1) further comprises a winding roller (104) arranged on the top of the fixed beam (101).

5. A telescoping rod assembly as defined in claim 2, wherein: The drill supporting member (202) comprises a drill supporting body rack (2021) arranged in the fixed beam (101), a first hydraulic cylinder (2022) arranged in the drill supporting body rack (2021), a supporting gripper (2023) movably arranged in the drill supporting body rack (2021), and a connecting rod (2024) having one end movably connected with the first hydraulic cylinder (2022) and the other end movably connected with the supporting gripper (2023).

6. A telescoping rod assembly as defined in claim 5, wherein: The drill supporting member (202) comprises a drill supporting body rack (2021) arranged in the fixed beam (101), a first hydraulic cylinder (2022) arranged in the drill supporting body rack (2021), a supporting gripper (2023) movably arranged in the drill supporting body rack (2021), and a connecting rod (2024) having one end movably connected with the first hydraulic cylinder (2022) and the other end movably connected with the supporting gripper (2023).

7. A telescoping rod assembly as defined in claim 2, wherein: The drill changing member (302) comprises a mounting seat (3021) arranged on the side wall of the fixed beam (101), a connecting seat (3022) movably arranged in the mounting seat (3021), a second hydraulic cylinder (3023) movably arranged in the connecting seat (3022), a lower gripper (3024) movably arranged on the telescopic end of the second hydraulic cylinder (3023), an upper gripper (3025) movably arranged in the connecting seat (3022), and a third hydraulic cylinder (3026) movably arranged in the connecting seat (3022) and having the telescopic end movably connected with the upper gripper (3025).

Citation Information

Patent Citations

  • Drill rod change-over device

    CN215565797U