Anti-hole-collapse drill rod structure of jumbolter

By using components such as electric telescopic rods and press plates in anchor drilling rigs, effective extrusion of the soil layer is solved, and the problem of soil layer collapse during drilling is improved, and the solidity of the soil layer and the stability of the drilling hole are improved.

CN222863313UActive Publication Date: 2025-05-13NANTONG CHUANGDA MASCH CO LTD
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Patent Information

Application Number
CN202420860023.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-24
Publication Date
2025-05-13
Estimated Expiration
2034-04-24

AI Technical Summary

Technical Problem

Existing anchor drilling rigs are difficult to effectively compact the surrounding soil layer during drilling, which can easily lead to collapse.

Method used

By cooperating with components such as springs, pressure plates, clamping bolts and clamping rings, the electric telescopic rods are expanded and stretched, pushing the pressure plates to displace, thereby extruding the soil layer around the holes and increasing the solidity of the soil layer.

Benefits of technology

It effectively prevents the collapse of the soil layer during drilling, improves the solidity of the soil layer, and makes the drilling process more stable.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222863313U_ABST
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Abstract

The utility model discloses a hole collapse prevention drill rod structure of an anchor rod drilling machine, and relates to the technical field of drilling machines. The drilling machine comprises a drilling machine device, the drilling machine device comprises a bottom plate and a hydraulic cylinder, the top of the bottom plate is fixedly connected with a stress rod, and one end of the hydraulic cylinder is in sliding connection with one end of the stress rod through an internal piston. According to the utility model, the pushing force of the electric telescopic rod is matched with the components such as the spring, the pressing plate, the clamping bolt and the clamping ring, so that the pressing plate is pushed to displace through the extension and retraction of the electric telescopic rod, and the purposes of extruding the surrounding soil layer in the hole through the displacement of the pressing plate, enabling the soil layer to be firmer and preventing collapse are achieved; and then the thrust for holding the non-slip mat A is matched with the components such as the fixing frame, the positioning frame and the protective pad B, so that the non-slip mat B is held by one hand, the non-slip mat A is held by the other hand, the fixing frame is pushed, the device is driven to move, and the power assisting effect is achieved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of drilling machines, in particular to a drilling rod structure for preventing hole collapse of an anchor drilling machine. Background Art

[0002] Anchor support refers to a reinforcement support method used in surface engineering such as slopes, deep rock foundation pits, and underground chambers such as tunnels and stopes. During the anchor construction process, it is necessary to drill holes on the slope, insert anchors, and then perform grouting.

[0003] According to the formula, a drill rod structure for preventing the collapse of an anchor drill hole and an anchor drill (publication number: CN217055054U) include a fixed drill rod and a mobile drill rod, and the mobile drill rod and the fixed drill rod are hollow drill rods respectively, and the fixed drill rod is connected to the mobile drill rod; and also include a grouting mechanism, which is used to grout the fixed drill rod and the mobile drill rod. This application can improve the technical problem that drilling holes in sand layer slopes is prone to collapse, but in the above-mentioned device, it is difficult to compact the surrounding soil layer when drilling holes through the cooperation of components such as the fixed drill rod and the mobile drill rod, which is easy to cause collapse and needs to be improved. Utility Model Content

[0004] The purpose of the utility model is to provide a drill rod structure for preventing hole collapse of an anchor drilling rig, which realizes the extension and retraction of the electric telescopic rod through the cooperation of the thrust of the electric telescopic rod with components such as a spring, a pressure plate, a clamping bolt and a clamping ring, thereby pushing the pressure plate to move, thereby solving the existing problems.

[0005] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0006] The utility model discloses a drill rod structure for preventing hole collapse of an anchor drill, comprising a drill device, wherein the drill device comprises a bottom plate and a hydraulic cylinder, a force-bearing rod is fixedly connected to the top of the bottom plate, one end of the hydraulic cylinder is slidably connected to one end of the force-bearing rod through an internal piston, one end of the hydraulic cylinder is slidably connected to a hydraulic rod through an internal piston, one end of the hydraulic cylinder is fixedly connected to a motor, and an output shaft of the motor is fixedly connected to the drill rod;

[0007] An anti-collapse device is arranged inside the drilling rig device, and the anti-collapse device includes an electric telescopic rod and a clamping bolt. One end of the electric telescopic rod is fixedly connected to one side of the motor, and the other end of the electric telescopic rod is fixedly connected to a pressure plate. A spring is sleeved on the electric telescopic rod, and through holes A are provided on both sides of the pressure plate. The clamping bolt passes through the pressure plate through the through holes A and is slidably connected to the pressure plate. A groove is provided on the clamping bolt, and a clamping ring is sleeved on the inner wall of the groove. A circular groove is provided at one end of the clamping ring.

[0008] Furthermore, the motor is located above the hydraulic cylinder, the drill rod is made of cobalt steel, and the force-bearing rod is located at the center of the bottom plate. The above design is conducive to increasing the service life of the device.

[0009] Furthermore, the number of the pressing plates is four, and they are arranged on the top of the bottom plate along the circumference, and the pressing plates are slidably connected to the top of the bottom plate. The above design is conducive to better operation of the drill rod.

[0010] Furthermore, a handheld device is provided inside the drilling device, and the handheld device includes a mounting seat, a through hole B is provided at the bottom of the mounting seat, a screw is threadedly connected to the inner wall of the through hole B, a fixing frame is fixedly connected to the bottom of the mounting seat, and an anti-skid pad A is fixedly connected to the fixing frame, and a positioning frame is fixedly connected to the circumferential surface of the bottom plate, and the positioning frame is fixedly connected to the anti-skid pad B. The above design helps to advance the device.

[0011] Furthermore, the shape of the fixing frame is C-shaped, the shape of the positioning frame is C-shaped, and the mounting seat is located below the hydraulic cylinder. The above design is conducive to workers being able to better hold the fixing frame.

[0012] Furthermore, the bottom of the base plate is fixedly connected to the mounting seat by screws, and the anti-skid pad A and the anti-skid pad B are made of sponge material. The above design is conducive to anti-skid.

[0013] Furthermore, the outer diameter of the clamp ring is consistent with the inner diameter of the through hole A, and the inner diameter of the clamp ring is consistent with the outer diameter of the plug. The above design is conducive to pulling out the plug.

[0014] Furthermore, the diameter of the circular groove is larger than the diameter of the concave groove. The above design is conducive to fixing the pressing plate on the electric telescopic rod through centrifugal force.

[0015] The utility model has the following beneficial effects:

[0016] 1. The utility model discloses a drill rod structure for preventing the collapse of an anchor drilling rig. The utility model realizes the extension and retraction of the electric telescopic rod through the cooperation of the thrust of the electric telescopic rod with components such as a spring, a pressure plate, a clamping bolt and a clamping ring, thereby pushing the pressure plate to move. The displacement of the pressure plate squeezes the surrounding soil layer in the hole, making the soil layer more solid and preventing collapse.

[0017] 2. The utility model provides a drill rod structure for preventing hole collapse of an anchor drilling rig. The thrust of holding the anti-skid pad A cooperates with components such as a fixed frame, a positioning frame and a protective pad B. The anti-skid pad B is lifted by one hand and the anti-skid pad A is held by the other hand to push the fixed frame, thereby driving the device to move, thereby achieving a power-assisting effect.

[0018] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0020] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0021] Figure 2 This is a schematic diagram of the three-dimensional structure of the bottom plate of the utility model when viewed from above;

[0022] Figure 3 It is a schematic diagram of the three-dimensional structure of the cross section of the pressing plate of the utility model;

[0023] Figure 4 It is an enlarged view of A in the schematic diagram of the three-dimensional structure of the cross section of the pressing plate of the utility model;

[0024] Figure 5 It is an enlarged view of B in the three-dimensional structural schematic diagram of the utility model.

[0025] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0026] 1. Drilling rig; 101. Base plate; 102. Force rod; 103. Hydraulic cylinder; 104. Hydraulic rod; 105. Motor; 106. Drill rod; 2. Anti-collapse device; 201. Electric telescopic rod; 202. Spring; 203. Pressing plate; 204. Through hole A; 205. Bolt; 206. Groove; 207. Snap ring; 208. Circular groove; 3. Handheld device; 301. Mounting seat; 302. Through hole B; 303. Screw; 304. Fixing frame; 305. Anti-skid pad A; 306. Positioning frame; 307. Anti-skid pad B. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] See also Figure 1-5The utility model is a drill rod structure for preventing hole collapse of an anchor drill, comprising a drill device 1, the drill device 1 comprising a bottom plate 101 and a hydraulic cylinder 103, a force rod 102 is fixedly connected to the top of the bottom plate 101, one end of the hydraulic cylinder 103 is slidably connected to one end of the force rod 102 through an internal piston, one end of the hydraulic cylinder 103 is slidably connected to a hydraulic rod 104 through an internal piston, one end of the hydraulic cylinder 103 is fixedly connected to a motor 105, and an output shaft of the motor 105 is fixedly connected to a drill rod 106;

[0029] An anti-collapse device 2 is arranged inside the drilling rig device 1, and the anti-collapse device 2 includes an electric telescopic rod 201 and a bolt 205. One end of the electric telescopic rod 201 is fixedly connected to one side of the motor 105, and the other end of the electric telescopic rod 201 is fixedly connected to a pressure plate 203. A spring 202 is sleeved on the electric telescopic rod 201, and through holes A204 are provided on both sides of the pressure plate 203. The bolt 205 passes through the pressure plate 203 through the through holes A204 and is slidably connected to the pressure plate 203. A groove 206 is provided on the bolt 205, and a retaining ring 207 is sleeved on the inner wall of the groove 206. A circular groove 208 is provided at one end of the retaining ring 207.

[0030] The motor 105 is located above the hydraulic cylinder 103, the drill rod 106 is made of cobalt steel, and the force-bearing rod 102 is located at the center of the bottom plate 101. The above design is conducive to increasing the service life of the device.

[0031] There are four pressing plates 203 arranged along the circumference on the top of the bottom plate 101, and the pressing plates 203 are slidably connected to the top of the bottom plate 101. The above design is conducive to better operation of the drill rod 106.

[0032] The drilling device 1 is provided with a portable device 3 inside, the portable device 3 includes a mounting seat 301, a through hole B302 is provided at the bottom of the mounting seat 301, a screw 303 is threadedly connected to the inner wall of the through hole B302, a fixing frame 304 is fixedly connected to the bottom of the mounting seat 301, an anti-skid pad A305 is fixedly connected to the fixing frame 304, a bottom plate 101, a positioning frame 306 is fixedly connected to the circumferential surface of the bottom plate 101, and an anti-skid pad B307 is fixedly connected to the positioning frame 306. The above design helps to advance the device.

[0033] The shape of the fixing frame 304 is C-shaped, the shape of the positioning frame 306 is C-shaped, and the mounting seat 301 is located below the hydraulic cylinder 103. The above design is conducive to the worker being able to hold the fixing frame 304 better.

[0034] The bottom of the bottom plate 101 is fixedly connected to the mounting base 301 by screws 303, and the anti-skid pad A305 and the anti-skid pad B307 are made of sponge material. The above design is conducive to anti-skid.

[0035] The outer diameter of the clamp ring 207 is consistent with the inner diameter of the through hole A204, and the inner diameter of the clamp ring 207 is consistent with the outer diameter of the clamp bolt 205. The above design is conducive to pulling out the clamp bolt 205.

[0036] The diameter of the circular groove 208 is larger than the diameter of the groove 206. The above design is conducive to fixing the pressing plate 203 on the electric telescopic rod 201 by centrifugal force.

[0037] A specific application of this embodiment is: this application drives the slidingly connected hydraulic rod 104 through the piston inside the hydraulic cylinder 103, so that the hydraulic rod 104 drives the motor 105 to move, and then drives the drill rod 106 through the output shaft of the motor 105, so that the drill rod 106 rotates at a high speed to achieve the effect of drilling, and then the electric telescopic rod 201 is extended and retracted to push the pressure plate 203 to move, and then the displacement of the pressure plate 203 squeezes the soil layer around the hole to make the soil layer more compact and firm, thereby achieving the effect of preventing collapse, and then the worker pinches the anti-slip pad B307 with one hand and holds the anti-slip pad A305 with the other hand, so that it pushes the fixed frame 304 with force, thereby pushing the bottom plate 101, thereby driving the device to move, and achieving the effect of power assistance.

[0038] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0039] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A drill rod structure for preventing hole collapse of an anchor drilling rig, comprising a drilling rig device (1), characterized in that: The drilling rig device (1) comprises a base plate (101) and a hydraulic cylinder (103); a force-bearing rod (102) is fixedly connected to the top of the base plate (101); one end of the hydraulic cylinder (103) is slidably connected to one end of the force-bearing rod (102) via an internal piston; one end of the hydraulic cylinder (103) is slidably connected to a hydraulic rod (104) via an internal piston; one end of the hydraulic rod (104) is fixedly connected to a motor (105); and an output shaft of the motor (105) is fixedly connected to a drill rod (106); The drilling rig device (1) is provided with an anti-collapse device (2) inside. The anti-collapse device (2) comprises an electric telescopic rod (201) and a clamping bolt (205). One end of the electric telescopic rod (201) is fixedly connected to one side of the motor (105). The other end of the electric telescopic rod (201) is fixedly connected to a pressure plate (203). A spring (202) is sleeved on the electric telescopic rod (201). Through holes A (204) are provided on both sides of the pressure plate (203). The clamping bolt (205) passes through the pressure plate (203) through the through holes A (204) and is slidably connected to the pressure plate (203). A groove (206) is provided on the clamping bolt (205). A clamping ring (207) is sleeved on the inner wall of the groove (206). A circular groove (208) is provided on one end of the clamping ring (207).

2. The drill rod structure for preventing hole collapse of an anchor drilling rig according to claim 1, characterized in that: The motor (105) is located above the hydraulic cylinder (103), the drill rod (106) is made of cobalt steel, and the force-bearing rod (102) is located at the center of the bottom plate (101).

3. The drill rod structure for preventing hole collapse of an anchor drilling rig according to claim 2, characterized in that: There are four pressing plates (203) arranged along a circumference on the top of the bottom plate (101), and the pressing plates (203) are slidably connected to the top of the bottom plate (101).

4. The drill rod structure for preventing hole collapse of an anchor drill according to claim 3, characterized in that: The drilling rig device (1) is provided with a handheld device (3) inside, and the handheld device (3) comprises a mounting seat (301), a through hole B (302) is provided at the bottom of the mounting seat (301), a screw (303) is threadedly connected to the inner wall of the through hole B (302), a fixing frame (304) is fixedly connected to the bottom of the mounting seat (301), and an anti-slip pad A (305) is fixedly connected to the fixing frame (304), and a positioning frame (306) is fixedly connected to the circumferential surface of the bottom plate (101), and an anti-slip pad B (307) is fixedly connected to the positioning frame (306).

5. The drill rod structure for preventing hole collapse of an anchor drill according to claim 4, characterized in that: The fixing frame (304) is in a C-shape, the positioning frame (306) is in a C-shape, and the mounting seat (301) is located below the hydraulic cylinder (103).

6. The drill rod structure for preventing hole collapse of an anchor drill according to claim 5, characterized in that: The bottom of the base plate (101) is fixedly connected to the mounting seat (301) via screws (303), and the anti-skid pad A (305) and the anti-skid pad B (307) are made of sponge material.

7. The drill rod structure for preventing hole collapse of an anchor drill according to claim 6, characterized in that: The outer diameter of the clamping ring (207) is consistent with the inner diameter of the through hole A (204), and the inner diameter of the clamping ring (207) is consistent with the outer diameter of the clamping bolt (205).

8. The drill rod structure for preventing hole collapse of an anchor drill according to claim 7, characterized in that: The diameter of the circular groove (208) is larger than the diameter of the concave groove (206).

Citation Information

Patent Citations

  • Anti-hole-collapse drill rod structure of anchor rod drilling machine and anchor rod drilling machine

    CN217055054U