Sand coring push rod mechanism

By designing a core-sampling pusher mechanism for sandy areas, and using a hydraulic cylinder to drive an extended pusher linked to the top plate, the problem of incomplete core sampling on beach sandy areas was solved, achieving stable core ejection and high-fidelity sampling.

CN223952621UActive Publication Date: 2026-02-27SHAANXI TAIHE TECH CO LTD
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Patent Information

Application Number
CN202520869424.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-06
Publication Date
2026-02-27
Estimated Expiration
2035-05-06

AI Technical Summary

Technical Problem

When taking core samples on sandy beaches, existing technologies cannot guarantee the integrity of the core and the accuracy of the sampling, especially in soft, water-rich beach environments where manual tapping of the core sampling device cannot effectively extract a complete core.

Method used

Design a core extraction pusher mechanism for sandy soil, including components such as a support, hydraulic cylinder, extended pusher, chuck, and top plate. The extended pusher is driven by the hydraulic cylinder to link with the top plate, so as to achieve stable extraction of the rock core. The support and pad structure is used to reduce friction and ensure the integrity of the rock core.

Benefits of technology

This improved the integrity and sampling fidelity of the core samples, ensuring that the core samples could be successfully and completely extracted in soft beach environments to meet exploration needs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a sand coring push rod mechanism which comprises a coring push rod structure, the coring push rod structure comprises supports, the supports are symmetrically arranged, the inner sides of the supports are in threaded connection with a support, the middle of one support is connected with an oil cylinder in a penetrating mode, and the output end of the oil cylinder is fixedly connected with a lengthened push rod. A top plate is arranged at one end of the lengthened push rod, and a chuck is connected to the middle of the other support in a penetrating mode and arranged opposite to the top plate. Cushion blocks are arranged at the bottom end of the inner wall of the support at equal intervals, the middles of the upper ends of the cushion blocks are arranged in an arc-shaped face mode, the upper end of the arc-shaped face is fixedly connected with an arc-shaped block, rolling grooves are formed in the middles of the upper ends of the arc-shaped block at equal intervals, and guide balls are arranged in the rolling grooves in a rolling mode and make rolling fit contact with the outer surface of the lengthened push rod. The sampling device can ensure the completeness of the taken-out rock core, improves the fidelity rate of sampling, is convenient to use, and meets the requirements.
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Description

TECHNICAL FIELD

[0001] The utility model relates to beach sand ground coring drilling machine technical field, concretely is a sand ground coring push rod mechanism. BACKGROUND

[0002] The sand ground coring drilling machine based on beach sand ground resource exploration carries out drilling to specific stratum depth and takes out stratum sample, and then analyzes the material composition and quality of the stratum sample, obtains effective resource data, and the sand ground coring drilling machine uses the place to be on the beach sand ground, and the stratum is soft, and the water content is big, if taking out the rock core through artificial direct knocking coring device when coring, the integrity and accuracy of the rock core cannot be guaranteed, and then the fidelity of sampling cannot be guaranteed, therefore need to provide a coring push rod mechanism that can solve the above-mentioned defects to improve the effect. SUMMARY

[0003] The utility model discloses a sand ground coring push rod mechanism to solve the problems in the background art. To solve the above technical problems, the utility model is realized by the following technical scheme:

[0004] The utility model discloses a sand ground coring push rod mechanism, which comprises:

[0005] The coring push rod structure comprises a support, a group of supports are symmetrically arranged, the inner side of a group of supports is connected with a support through threads, the middle part of one support is connected with an oil cylinder, and the output end of the oil cylinder is fixedly connected with an extended push rod, one end of the extended push rod is provided with a top plate, and the middle part of the other support is connected with a chuck, and the other support is arranged opposite to the top plate.

[0006] Further, the outer surface of the oil cylinder is fixedly connected with a positioning ring on one side, and the positioning ring is fixedly connected with one support through positioning bolts equally penetrating the middle part.

[0007] Further, one end of the extended push rod is fixedly connected with a screw seat, and the screw seat is fixedly connected with the middle part of the top plate through the screw of the middle part thread.

[0008] Further, the bottom end of the support is fixedly connected with a supporting leg through threads, and the supporting leg is triangularly arranged.

[0009] Further, the extended push rod comprises a first assembly rod, a second assembly rod, a third assembly rod and a fourth assembly rod arranged in sequence, assembly grooves are formed in one end of the first assembly rod and the end part of the third assembly rod, assembly protrusions are fixedly connected with the end part of the second assembly rod and one end of the fourth assembly rod, and the assembly protrusions are fitted with the inner wall of the assembly grooves.

[0010] Further, the inner wall bottom end of the support is equidistantly arranged with a cushion block, the upper end of the cushion block is arranged with a middle arc surface, the upper end of the arc surface is fixedly connected with an arc block, the upper end of the arc block is equidistantly provided with a rolling groove, and the rolling groove is rolling provided with a guide ball and is rolling in contact with the outer surface of the lengthened push rod.

[0011] Further, the lower end of the two sides of the cushion block is welded with a mounting hole block, and a threaded pipe is penetrated through the middle part of the mounting hole block, and the threaded pipe is screwed and fixed with the mounting hole block through the threaded ring on the outer surface of the upper part.

[0012] The utility model has the following beneficial effects:

[0013] The utility model discloses a special push rod structure is arranged for the rock core taking of beach sand exploration drilling, and when taking the rock core, hoisting the coring device and fixing through the chuck and the push rod mechanism, at this moment, the lengthened push rod is used to the rock core in the coring device through the linkage roof action, and the rock core in the coring device is pushed out smoothly and completely, guarantees the completeness of the rock core taking, improves the fidelity of sampling, is convenient to use, satisfies the required. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will be briefly introduced to the drawing needed to be used in the embodiment, and obviously, the drawing in the following description is only some embodiments of the utility model, and for the ordinary skilled person in the art, other drawings can be obtained according to these drawings without paying creative labor.

[0015] Figure 1 It is the appearance drawing of the utility model;

[0016] Figure 2 It is the overhead sectional view of the utility model;

[0017] Figure 3 It is the lengthened push rod schematic view of the utility model;

[0018] Figure 4 It is the cushion block schematic view of the utility model.

[0019] In the drawings, the component list represented by each sign is as follows:

[0020] 1, support; 2, oil cylinder; 3, chuck; 4, pad; 41, arc block; 42, rolling groove; 43, guide ball; 44, mounting hole block; 45, threaded tube; 46, threaded ring; 5, lengthened push rod; 51, first assembly rod; 52, second assembly rod; 53, third assembly rod; 54, fourth assembly rod; 55, assembly groove; 56, assembly convex column; 6, top plate; 7, screw seat; 8, support; 9, support leg; 10, positioning ring; 11, positioning bolt. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] To make the purpose, technical scheme and advantages of the utility model clearer, the embodiments of the utility model will be further described in detail below with reference to the drawings.

[0023] Please refer to Figures 1-4 The utility model discloses a sand ground coring push rod mechanism, comprising:

[0024] The coring push rod structure comprises a support 1, a group of supports 1 are symmetrically arranged, the inner side of a group of supports 1 is connected with a support 8 in a threaded mode, the middle part of one support 1 is connected with an oil cylinder 2 in a penetrating mode, and the output end of the oil cylinder 2 is fixedly connected with a lengthened push rod 5, one end of the lengthened push rod 5 is provided with a top plate 6, and the middle part of the other support 1 is connected with a chuck 3 in a penetrating mode and is arranged opposite to the top plate 6.

[0025] The support 1 provides the installation environment of the chuck 3 and the oil cylinder 2, the support 8 satisfies the fixation of the pad 4 and the support leg 9 structure, the support block provides mechanism support stability, the oil cylinder 2 controlledly acts on the lengthened push rod 5 to transmit force to the top plate 6, the top plate 6 can completely eject the rock core in the external coring device, and the chuck 3 limits the structure of the external coring device to be cored.

[0026] One side of the outer surface of the oil cylinder 2 is fixedly connected with a positioning ring 10, and the positioning ring 10 is fixedly connected with one support 1 in a threaded mode through the equidistantly penetrating positioning bolt 11 in the middle part.

[0027] The positioning bolt 11 is fixedly connected with the positioning ring 10, the oil cylinder 2 is fixedly connected with the positioning ring 10 after being fixed, and the threaded connection mode is easy to disassemble and assemble.

[0028] One end of the lengthened push rod 5 is fixedly connected with a screw seat 7, and the screw seat 7 is fixed with the middle threaded portion of the top plate 6 through a screw;

[0029] The screw seat 7 cooperates with the screw to install and fix the lengthened push rod 5 and the top plate 6, and is easy to disassemble and assemble.

[0030] The bottom end of the support 8 is threadedly connected with a supporting leg 9, and the supporting leg 9 is triangularly arranged;

[0031] The triangularly arranged supporting leg 9 can provide strong support stability.

[0032] The lengthened push rod 5 comprises a first assembly rod 51, a second assembly rod 52, a third assembly rod 53 and a fourth assembly rod 54 arranged in sequence, one end of the first assembly rod 51 and the end of the third assembly rod 53 are provided with an assembly groove 55, and the end of the second assembly rod 52 and one end of the fourth assembly rod 54 are fixedly connected with an assembly protrusion and are fitted with the inner wall of the assembly groove 55;

[0033] The fitting between the assembly protrusion and the assembly groove 55 can assemble the first assembly rod 51, the second assembly rod 52, the third assembly rod 53 and the fourth assembly rod 54 to form the overall structure of the lengthened push rod, and the subsequent maintenance and replacement after damage can be independently carried out to save the cost.

[0034] Working principle: the oil cylinder 2 is previously penetrated through the middle of a support 1, and the fixing of the oil cylinder 2 is completed through the positioning ring 10 and the positioning bolt 11, at this time, one end of the lengthened push rod 5 is fixed with the output end of the oil cylinder 2, and the other end of the lengthened push rod 5 is installed with the top plate 6 through the screw seat 7 cooperating with the screw, and the chuck 3 is installed in the middle of the other support 1, in the process of coring on the beach sand, the coring device is hoisted by the external hoisting equipment, and the installation between the chuck 3 and the mechanism is limited, then the oil cylinder 2 is controlled to act on the lengthened push rod 5, and the top plate 6 acts on the rock core in the coring device to push out the rock core for coring.

[0035] The scheme can ensure the integrity of the rock core after being taken out, improve the fidelity of sampling, facilitate use, and meet the needs.

[0036] Please refer to Figures 1-4 As shown in the figure, the embodiment is based on the above-mentioned embodiment, the inner wall of the support 8 is equidistantly arranged with a pad 4 at the bottom end, the middle arc surface of the upper end of the pad 4 is arranged, and the upper end of the arc surface is fixedly connected with an arc block 41, the upper end of the arc block 41 is equidistantly provided with a rolling groove 42, the guiding ball 43 is rollingly arranged in the rolling groove 42, and the guiding ball 43 is rollingly and tightly contacted with the outer surface of the lengthened push rod 5;

[0037] The pad block 4 is matched with the arc-shaped block 41 and is installed by receiving a plurality of guide balls 43 through the rolling groove 42, and the guide balls 43 are in rolling contact with the surface of the lengthened push rod 5, so that the lengthened push rod 5 in the extension state can be guided, the contact friction is reduced, and convenience and efficiency are achieved.

[0038] The lower end of the pad block 4 is welded with the mounting hole block 44, and the middle part of the mounting hole block 44 is penetrated by the threaded pipe 45, and the threaded pipe 45 is screwed with the mounting hole block 44 through the threaded ring 46 on the outer surface of the upper part;

[0039] The threaded ring 46 is installed and fixed to the threaded pipe 45, the bolt is put into the threaded pipe 45 and tightened to fix the mounting hole block 44, and the fixed mounting hole block 44 satisfies the fixation of the structure of the pad block 4.

[0040] Working principle: when the core in the coring device is pushed out by the lengthened push rod 5 and the top plate 6, the pad block 4 is installed on the inner wall bottom end of the support 8 through the mounting hole block 44 and the bolt, the plurality of guide balls 43 above the pad block 4 are in rolling contact with the outer surface of the lengthened push rod 5, and the plurality of rolling guide balls 43 guide the lengthened push rod 5 during the extension and retraction of the lengthened push rod 5.

[0041] The scheme can satisfy the guidance of the lengthened push rod 5 in use, reduce the probability of position deviation, facilitate use, and meet the needs.

[0042] The preferred embodiments disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details and limit the utility model to the specific embodiments. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the utility model, so that the person skilled in the art can well understand and use the utility model. The utility model is limited by the claims and the whole scope and equivalents.

Claims

1. A sand coring push rod mechanism, characterized by, Include: The core push rod structure, the core push rod structure includes support (1), a set of symmetrically arranged, a set of the inner side of support (1) is threadedly connected with support (8), the middle part of one support (1) is connected with oil cylinder (2) through, and the output end of oil cylinder (2) is fixedly connected with lengthened push rod (5), one end of lengthened push rod (5) is arranged with top plate (6), and the middle part of another support (1) is connected with chuck (3) through, and top plate (6) is oppositely arranged.

2. A sand core push rod mechanism according to claim 1, characterized in that: The outer surface of the oil cylinder (2) is fixedly connected with the positioning ring (10) on one side, and the positioning ring (10) is fixedly connected with the positioning bolt (11) through the middle part of the equidistant through and one support (1) is threadedly connected.

3. A sand core push rod mechanism according to claim 1, characterized in that: One end of the lengthened push rod (5) is fixedly connected with the screw seat (7), and the screw seat (7) is fixedly connected with the middle part of the screw through the middle part of the screw and the middle part of the screw of the top plate (6).

4. A sand core push rod mechanism according to claim 1, characterized in that: The bottom end of the support (8) is threadedly connected with the supporting leg (9), and the supporting leg (9) is triangularly arranged.

5. A sand core push rod mechanism according to claim 1, wherein: The lengthened push rod (5) comprises first assembly rod (51), second assembly rod (52), third assembly rod (53) and fourth assembly rod (54) distributed in sequence, one end of the first assembly rod (51), the end of the third assembly rod (53) is provided with assembly groove (55), the end of the second assembly rod (52), one end of the fourth assembly rod (54) is fixedly connected with assembly protrusion, and the inner wall of assembly groove (55) is fitted.

6. A sand core push rod mechanism according to claim 1, wherein: The inner wall of the support (8) is equidistantly arranged with pad (4), the upper end of the middle arc surface of the pad (4) is arranged, and the upper end of the arc surface is fixedly connected with arc block (41), the upper end of the arc block (41) is equidistantly provided with rolling groove (42), and the rolling groove (42) is rollingly provided with guide ball (43), and is rollingly contacted with the outer surface of lengthened push rod (5).

7. A sand core push rod mechanism according to claim 6, characterized in that: The lower end of the two sides of the pad (4) is welded with mounting hole block (44), and the middle part of the mounting hole block (44) is penetrated with threaded pipe (45), and the threaded pipe (45) is threadedly fixed with mounting hole block (44) through the threaded ring (46) on the outer surface of the upper part.