Portable fixing device for coring irregular rock mass
By positioning the combined structure of the wooden square and connecting components, the fracture and damage problems during the core extraction of irregular rock bodies are solved, and stable fixation and portable adaptation are achieved, suitable for small drilling rigs.
Patent Information
- Application Number
- CN202421449912.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-24
- Publication Date
- 2025-07-29
- Estimated Expiration
- 2034-06-24
AI Technical Summary
Irregular rock bodies are prone to core breakage or core surface damage during core extraction.
A combined structure of positioning wooden squares and connecting components is adopted, and a stable fixing device is formed through bolt connections. The contact surfaces of the positioning wooden squares and irregular rock bodies are distributed in a relative position. The screw grooves and strip grooves of the connecting components achieve adjustable connections of the positioning wooden squares, and are used in conjunction with the core drilling barrel.
It realizes stable fixation during the core extraction process of irregular rock bodies, avoids core fractures and damage to core surfaces, and is suitable for rock bodies of different sizes. The device is portable and suitable for most small drilling rigs.
Smart Images

Figure CN223166365U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of engineering detection equipment, in particular to a portable fixing device for coring irregular rock masses. Background Art
[0002] Small coring machines are mainly used for coring test cores of rock blocks and concrete for compressive and flexural tests. Small coring machines can be constructed in a variety of engineering environments, which is simple and convenient.
[0003] Since the irregular rock mass cannot form a stable contact with the ground and the boundary, it will swing with the rotation of the drill barrel during coring, resulting in coring fracture or damage to the coring surface. To solve the above technical problems, it is necessary to design a portable fixing device for coring irregular rock masses. Summary of the Invention
[0004] The technical problem to be solved by the utility model is to provide a portable fixing device for coring irregular rock masses, which can solve the problems of easy coring fracture or damage to the coring surface during the coring process of irregular rock masses, and has good use effect.
[0005] To solve the above technical problems, the technical solution adopted by the utility model is: a portable fixing device for coring irregular rock masses, including:
[0006] Positioning wooden squares, one side of the positioning wooden squares forms a contact surface with the irregular rock mass by grooving, and the grooved surfaces of the two groups of positioning wooden squares are distributed in a relative position;
[0007] Connection components, the connection components are long strip-shaped plates, a plurality of screw grooves are equidistantly arranged at one end of the connection components, a through strip-shaped groove is arranged at the other end of the connection components, and multiple connection components fixedly connect the two groups of positioning wooden squares and the irregular rock mass to form a whole;
[0008] Coring drill barrel, which is matched with the irregular rock mass.
[0009] Preferably, the two ends of the connection components are respectively fixedly connected to the two groups of positioning wooden squares through fastening bolts inserted into the screw grooves and fastening bolts slidably connected to the strip-shaped grooves.
[0010] Preferably, the number of the connection components is three, two are located on the upper surface of the positioning wooden squares, and the other one is located on the side surface of the positioning wooden squares. The horizontal distance between the two connection components on the upper surface of the positioning wooden squares is greater than the diameter of the coring drill barrel.
[0011] Preferably, the two groups of positioning wooden squares are symmetrically distributed along the center point of the coring drill barrel.
[0012] Preferably, the positioning wooden square forms a triangular notch in cross-section by grooving, and the notch forms a contact surface with the irregular rock mass.
[0013] Preferably, the connecting component is a long strip plate made of steel plate.
[0014] The portable fixing device for core sampling of irregular rock masses provided by the present utility model has the following beneficial effects:
[0015] 1. The positioning wooden square is stably connected through the fastening bolt and the connecting component. The screw groove, the strip-shaped groove, the fastening bolt and the connecting component form a detachable structure, and the fastening bolt is arranged corresponding to the sizes of the screw groove and the strip-shaped groove. The fastening bolt forms a detachable structure with the screw groove, the strip-shaped groove and the positioning wooden square in the connecting component. On this basis, one side of the positioning wooden square retains a range of movement through the strip-shaped groove and can be adjusted horizontally by any distance according to the size of the irregular rock mass. The other side of the positioning wooden square retains an equally spaced range of movement through the screw groove and can be adjusted horizontally by a fixed distance according to the size of the irregular rock mass.
[0016] 2. By the mutual cooperation between multiple mechanisms, it has strong functionality. Using the connecting component and the positioning wooden square as the contact parts of the irregular rock mass, the fixing effect on the irregular rock mass is achieved, and the screw groove and the strip-shaped groove of the connecting component are used to realize the horizontal movement of the positioning wooden square. The distance between the positioning wooden squares can be adjusted accordingly according to the size requirements of the irregular rock mass, ensuring the adaptability of the device in different sizes and having a good use effect.
[0017] 3. It can efficiently and quickly fix the irregular rock mass during the core sampling operation, and has a small volume, is easy to disassemble, can realize the portability of the device, is applicable to most small drills, and has a wide adaptability. Description of the Drawings
[0018] The following further describes the present utility model in conjunction with the drawings and embodiments:
[0019] Figure 1 is the top view of the present utility model;
[0020] Figure 2 is the front view of the present utility model;
[0021] Figure 3 is the three-dimensional structure schematic diagram of the present utility model. Detailed Embodiments
[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the protection scope of the present utility model.
[0023] As shown Figures 1 - 3 in the figure, a portable fixing device for coring irregular rock masses includes:
[0024] Positioning wooden squares 7, one side of the positioning wooden squares 7 forms a contact surface with the irregular rock mass 6 by grooving, and the grooved surfaces of the two groups of positioning wooden squares 7 are distributed in a relative position;
[0025] Connection components 4, the connection components 4 are strip-shaped plates, and a plurality of screw grooves 3 are equidistantly arranged at one end of the connection components 4, and a through strip-shaped groove 5 is arranged at the other end of the connection components 4. A plurality of connection components 4 fixedly connect the two groups of positioning wooden squares 7 and the irregular rock mass 6 to form a whole;
[0026] The number of screw grooves 3 is preferably 14;
[0027] Coring drill barrel 1, which cooperates with the irregular rock mass 6.
[0028] Both ends of the connection component 4 are fixedly connected to the two groups of positioning wooden squares 7 respectively through fastening bolts 2 inserted into the screw grooves 3 and fastening bolts 2 slidably connected to the strip-shaped groove 5.
[0029] The number of connection components 4 is three. Two are located on the upper surface of the positioning wooden square 7, and the other is located on the side surface of the positioning wooden square 7. The horizontal spacing between the two connection components 4 on the upper surface of the positioning wooden square 7 is greater than the diameter of the coring drill barrel 1.
[0030] The two groups of positioning wooden squares 7 are symmetrically distributed along the center point of the coring drill barrel 1.
[0031] The positioning wooden square 7 forms a notch with a triangular cross-section by grooving, and the notch forms a contact surface with the irregular rock mass 6.
[0032] The connection component 4 is a strip-shaped plate made of steel plate.
[0033] The working process of the present utility model is as follows:
[0034] When in use, first place the irregular rock mass 6 in the middle of the two groups of positioning wooden squares 7, and then place the connection components 4 on the top and both sides of the two groups of positioning wooden squares 7. First, fasten one side of the positioning wooden square 7 through the fastening bolt 2, and then move the other side of the positioning wooden square 7 according to the size of the irregular rock mass until the two ends of the positioning wooden square 7 are firmly attached to the irregular rock mass 6. Then use the fastening bolt 2 to connect the positioning wooden square 7 on the screw groove side to form a stable integrated structure, avoiding the phenomena of shaking, rotation and fracture of the irregular rock mass 6 to be cored during the coring process.
[0035] It should be noted that the standard parts used herein can all be purchased from the market, and can also be customized according to the description in the specification and the attached drawings. The specific connection methods of each part all adopt conventional means such as bolts, rivets, welding, etc. that are mature in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, and the components known to those skilled in the art, their structures and principles can all be known by those skilled in the art through technical manuals or through conventional experimental methods.
Claims
1. A portable fixing device for coring irregular rock masses, characterized in that, Comprising: Positioning wooden square (7), one side of the positioning wooden square (7) forms a contact surface with the irregular rock mass (6) by grooving, and the grooved surfaces of the two groups of positioning wooden squares (7) are distributed in a relative position; Connecting component (4), the connecting component (4) is a long strip-shaped plate body, a plurality of screw grooves (3) are equidistantly arranged at one end of the connecting component (4), a through strip-shaped groove (5) is arranged at the other end of the connecting component (4), and a plurality of connecting components (4) fixedly connect the two groups of positioning wooden squares (7) and the irregular rock mass (6) to form a whole; Core drilling barrel (1), which is matched with the irregular rock mass (6).
2. The portable fixing device for core sampling of irregular rock masses according to claim 1, characterized in that: Both ends of the connecting component (4) are fixedly connected to the two groups of positioning wooden squares (7) respectively by fastening bolts (2) inserted into the screw grooves (3) and fastening bolts (2) slidably connected to the strip-shaped grooves (5).
3. The portable fixing device for coring of irregular rock masses according to claim 2, characterized in that: The number of the connecting components (4) is three, two are located on the upper surface of the positioning wooden square (7), and the other one is located on the side surface of the positioning wooden square (7), and the horizontal distance between the two connecting components (4) on the upper surface of the positioning wooden square (7) is greater than the diameter of the core drilling barrel (1).
4. The portable fixing device for coring irregular rock masses according to claim 1, characterized in that: The two groups of positioning wooden squares (7) are symmetrically distributed along the center point of the core drilling barrel (1).
5. The portable fixing device for core sampling of irregular rock masses according to claim 1, characterized in that: The positioning wooden square (7) forms a triangular cross-section notch by grooving, and the notch forms a contact surface with the irregular rock mass (6).
6. The portable fixing device for coring irregular rock masses according to claim 1, characterized in that: The connecting component (4) is a long strip-shaped plate body made of steel plate.