Multifunctional portable drawing board for coal mine geological map drawing

The multifunctional portable drawing board uses a slot, sleeve, and spring structure to stably fix the drawings, solving the problem of loosening caused by insecure tape fixation. This improves the accuracy and efficiency of coal mine geological map drawing and makes it convenient to store drawing tools.

CN224103767UActive Publication Date: 2026-04-10ZAOZHUANG MINING IND (GRP) CO LTD JIANGZHUANG COAL MINE
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-06
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

In existing technologies, the adhesive tape used to fix drawings weakens over time or under changes in temperature and humidity, causing the drawings to loosen and affecting the accuracy and precision of coal mine geological map drawing.

Method used

It adopts a multi-functional portable drawing board, which uses a structure of slots, sleeves, rotating rods and springs to achieve stable fixation of drawings through ball bearings and fixing plates, avoiding the use of tape, and conveniently storing drawing tools through tool storage slots.

Benefits of technology

Ensures drawings remain fixed and secure in high-temperature and humid environments, improving drawing accuracy and efficiency. Convenient tool storage reduces tool search time and increases work efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of coal mine geological map drawing, and discloses a multifunctional portable drawing board for coal mine geological map drawing, which comprises a drawing board body, a plurality of clamping grooves are arranged in the drawing board body, sleeve rods are connected in the clamping grooves in a sliding mode, rotating rods are connected in the sleeve rods in a threaded mode, and the rotating rods are connected with the clamping grooves in a sliding mode. The outer portion of the rotating rod is fixedly connected with a limiting plate, the outer portion of the rotating rod is sleeved with a first spring, the inner portion of the sleeve rod is slidably connected with two balls, the outer portion of the sleeve rod is fixedly connected with a supporting block, and the side, facing the drawing board, of the outer portion of the supporting block is fixedly connected with a first telescopic rod. According to the drawing paper fixing device, the drawing paper fixing mode does not depend on an adhesive tape any more, viscosity weakening caused by long-time use or temperature and humidity changes is avoided, a good fixing effect can be kept in a high-temperature and humid mine office environment or under the condition that the drawing paper is placed for a long time, and it is guaranteed that the drawing paper is kept in a stable state in the drawing process.
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Description

TECHNICAL FIELD

[0001] The utility model relates to coal mine geological map drawing technical field especially relates to a coal mine geological map drawing is with multifunctional portable drawing board. BACKGROUND

[0002] Coal mine geology is the discipline of studying the geological factors related to coal mine construction and production, mainly including the research on stratum, structure, coal seam and coal quality of coalfield, and the coal mine geological map is an important basis for coal mining design, safety production and many other aspects, the drawing board provides a stable plane for the drawing of the geological map, which helps to accurately draw various geological elements, for example, when drawing the coal seam contour line, the accuracy of the contour line needs to be ensured, the drawing board can make the drawing tools (such as ruler, curve plate, etc.) better play a role and reduce the error caused by paper shaking and other factors.

[0003] The commonly used wooden or plastic drawing board is a flat board, usually with standard size, such as A0, A1 and other specifications, when drawing, the paper is usually fixed on the drawing board with adhesive tape to prevent the paper from moving, and then the drawing tools are used for manual drawing, for example, when drawing the coal stratum profile, the T-square is used to ensure the horizontal line, and the triangle plate is used to draw the inclined line of different angles to represent the occurrence and structure form of the stratum, which provides a stable plane for manual drawing and ensures the drawing accuracy.

[0004] In the prior art, the paper is fixed with adhesive tape, the adhesion will be weakened in the environment of long time use or temperature and humidity change, in the drawing process, especially in the case of drawing long lines or frequently moving the drawing tools, the paper will be loose, when drawing the large area contour line of the coal stratum, the long ruler needs to be used to ensure the smoothness and continuity of the line, and the loose paper will cause the deviation of the contour line, affecting the accurate description of the stratum fluctuation, therefore, the coal mine geological map drawing multifunctional portable drawing board is proposed to solve the above problems. UTILITY MODEL CONTENT

[0005] In order to make up for the above shortcomings, the utility model provides a coal mine geological map drawing multifunctional portable drawing board, which aims at improving the problem that the paper is fixed with adhesive tape in the prior art, the adhesion will be weakened in the environment of long time use or temperature and humidity change, and the fixed paper will be loose, affecting the description.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] The utility model provides a kind of multifunctional portable drawing board for coal mine geological map drawing, including drawing board, a plurality of clamping grooves are set in the inside of the drawing board, the inside of multiple clamping grooves is slidably connected with sleeve rod, the inside of the sleeve rod is threadedly connected with rotating rod, the outside of the rotating rod is fixedly connected with limiting plate, the outside of the rotating rod is equipped with spring one, the inside of the sleeve rod is slidably connected with two ball bearings, the outside of the sleeve rod is fixedly connected with support block, the outside of the support block is fixedly connected with telescopic rod one on the side of the drawing board, the outside of telescopic rod one is equipped with spring two, the other end of telescopic rod one is fixedly connected with fixed plate, the top of the drawing board is fixedly connected with lighting assembly for providing illumination;

[0008] As further description of the above technical solution:

[0009] The lighting assembly includes a power block, the bottom end of the power block is fixedly connected to the top end of the drawing board, and the top end of the power block is fixedly connected with a lighting lamp.

[0010] As further description of the above technical solution:

[0011] The inside of the drawing board is provided with a tool containing groove on the left and right sides, the inside of the tool containing groove is fixedly connected with telescopic rod two on one side, the outside of telescopic rod two is equipped with spring three, the other end of telescopic rod two is fixedly connected with L-shaped block, the inside bottom end of the tool containing groove is fixedly connected with stop block, and the outside of the L-shaped block is fixedly connected with pulling rod on one side.

[0012] As further description of the above technical solution:

[0013] The outside of the limiting plate is slidably connected in the inside of the sleeve rod, and the outside of the sleeve rod is fixedly connected with rotating block on one side.

[0014] As further description of the above technical solution:

[0015] The outside of the rotating rod is in contact with the outside of the ball bearing, and the outside of the ball bearing is engaged with the inside of the clamping groove.

[0016] As further description of the above technical solution:

[0017] One end of the spring two is fixedly connected to the outside of the support block on one side, and the other end of the spring two is fixedly connected to the outside of the fixed plate on one side.

[0018] As further description of the above technical solution:

[0019] The outside of the fixed plate is slidably connected on the outside of the sleeve rod on one side, and the outside of the fixed plate is in contact with the side of the drawing board on which the drawing is placed.

[0020] As a further description of the above technical solutions:

[0021] The outer side of the L-shaped block is in contact with the outer side of the stop block.

[0022] The utility model has the advantages of the following:

[0023] 1. In the utility model, the sleeve rod is inserted into the clamping groove, then the rotating block is twisted to drive the rotating rod to push the ball out and clamp into the clamping groove, thereby fixing the sleeve rod, then the self-adapting action of the spring two drives the fixed plate to fix the drawing paper of different thicknesses, preventing loosening, and the drawing paper fixing mode no longer depends on adhesive tape, avoiding weakening of adhesion caused by long-term use or change of temperature and humidity, and maintaining good fixing effect in the case of high-temperature and humid mine office environment or long-term storage of drawing paper, thereby ensuring stable state of the drawing paper during drawing.

[0024] 2. In the utility model, the L-shaped block is slid outward and the spring three is stretched by pulling the pulling rod, so that the L-shaped block is opened, at this time, the drawing tool can be taken out or placed in the tool containing groove, after use, the pulling rod is loosened, the spring three is reset to drive the L-shaped block to close the tool containing groove again, thereby facilitating storage of the drawing tool. The multifunctional portable drawing board realizes convenient opening and closing of the tool containing groove, drawing personnel only need to pull the pulling rod to easily open the slot to take out the required tool, and the L-shaped block is automatically closed after loosening, so that the tool is orderly stored, thereby greatly saving the time for searching for the tool during drawing and improving work efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 A three-dimensional schematic view of the multifunctional portable drawing board for coal mine geological map drawing is provided for the utility model;

[0026] Figure 2 A rotating rod structure schematic view of the multifunctional portable drawing board for coal mine geological map drawing is provided for the utility model;

[0027] Figure 3 For Figure 2 An enlarged view of A in the middle;

[0028] Figure 4 For Figure 2 An enlarged view of B in the middle.

[0029] LEGEND:

[0030] 1, drawing board; 2, card slot; 3, sleeve rod; 4, rotating rod; 5, limit plate; 6, spring one; 7, ball; 8, rotating block; 9, support block; 10, telescopic rod one; 11, spring two; 12, fixed plate; 13, power block; 14, illuminating lamp; 15, tool containing groove; 16, telescopic rod two; 17, spring three; 18, L-shaped block; 19, stop block; 20, pull rod. DETAILED DESCRIPTION

[0031] 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 belong to the protection scope of the utility model.

[0032] Referring to Figures 1 to 3 , the utility model provides an embodiment: a kind of multifunctional portable drawing board for coal mine geological map drawing, including drawing board 1, drawing board 1 is used to provide drawing placement platform for geological map, the inside of drawing board 1 is provided with multiple card slots 2, the inside of multiple card slots 2 is slidably connected with sleeve rod 3, sleeve rod 3 is used to insert card slot 2 to realize fixed, the inside of sleeve rod 3 is threadedly connected with rotating rod 4, rotating rod 4 is used to rotate in the inside of sleeve rod 3, the outside of rotating rod 4 is fixedly connected with limit plate 5, limit plate 5 is used to limit rotating rod 4 to slide out excessively and separate from sleeve rod 3;

[0033] the outside of limit plate 5 is slidably connected in the inside of sleeve rod 3, the outside of rotating rod 4 is equipped with spring one 6, spring one 6 is used to provide the compression force of rotating rod 4, the inside of sleeve rod 3 is slidably connected with two ball bearings 7, ball bearing 7 is used to be inserted into card slot 2 to realize the fixed of sleeve rod 3, the outside of rotating rod 4 is in contact with the outside of ball bearing 7, the outside of ball bearing 7 is engaged with the inside of card slot 2, the outside of sleeve rod 3 is fixedly connected with rotating block 8, rotating block 8 is used to drive ball bearing 7 to eject, the outside of sleeve rod 3 is fixedly connected with support block 9, the side of the outside of support block 9 is fixedly connected with telescopic rod one 10 towards drawing board 1, telescopic rod one 10 installs the side of support block 9, and can provide support and guide for spring two 11, the outside of telescopic rod one 10 is equipped with spring two 11, spring two 11 is used to provide self-adapting buffer force, one end of spring two 11 is fixedly connected to the outside of support block 9, the other end of spring two 11 is fixedly connected to the outside of fixed plate 12, the other end of telescopic rod one 10 is fixedly connected with fixed plate 12, fixed plate 12 is used to position drawing paper under the drive of spring two 11, to prevent paper loosening;

[0034] The outer part of the fixed plate 12 is slidably connected to the outer side of the sleeve rod 3, and the outer part of the fixed plate 12 is in contact with the side of the drawing board 1 on which the drawing paper is placed. The top end of the drawing board 1 is fixedly connected with a lighting assembly for providing illumination. The lighting assembly comprises a power supply block 13, the bottom end of which is fixedly connected to the top end of the drawing board 1. The top end of the power supply block 13 is fixedly connected with a lighting lamp 14. The power supply block 13 and the lighting lamp 14 are electrically connected. The power supply block 13 is used to provide lighting power and mounting support for the lighting lamp 14. The lighting lamp 14 is used to provide illumination for the drawing board 1 in the night or dark place.

[0035] Referring to Figure 1 、 Figure 2 、 Figure 4 The inside of the drawing board 1 is provided with a tool containing groove 15 on both sides. The tool containing groove 15 is used to place drawing tools. The inside of the tool containing groove 15 is fixedly connected with a telescopic rod two 16. The outside of the telescopic rod two 16 is sleeved with a spring three 17. The spring three 17 is stretched or contracted under the driving of the telescopic rod two 16.

[0036] The other end of the telescopic rod two 16 is fixedly connected with an L-shaped block 18. The L-shaped block 18 is used to close the tool containing groove 15. The outside of the L-shaped block 18 is slidably connected to the inside of the tool containing groove 15. The outside of the L-shaped block 18 is in contact with the outside of the stop block 19. The inside of the tool containing groove 15 is fixedly connected with the stop block 19. The stop block 19 is used to limit the sliding track of the L-shaped block 18 to prevent the L-shaped block 18 from sliding excessively and damaging the drawing tools. The outside of the L-shaped block 18 is fixedly connected with a pulling rod 20. The pulling rod 20 facilitates the drawing personnel to pull the L-shaped block 18 to open the tool containing groove 15.

[0037] Working principle: first, put the drawing paper on the placing surface of the drawing board 1, then insert the sleeve rod 3 into the inside of the clamping groove 2, then twist the rotating block 8, then drive the rotating rod 4 to slide forward in screw, the rotating rod 4 slides downward at the same time, drives the limiting plate 5 to slide, the limiting plate 5 slides forward at the same time, extrudes the spring one 6, the spring one 6 is extruded and deformed to provide pressure for the sleeve rod 3, then makes the sleeve rod 3 push the ball bearing 7 out of the inside of the sleeve rod 3, makes the ball bearing 7 clamped in the inside of the clamping groove 2, realizes the fixation of the sleeve rod 3, at the same time, makes the fixed plate 12 flexibly fix the drawing paper under the self-adaptive force of the spring two 11, prevents the picture from loosening,

[0038] When the drawing tool needs to be used or stored, the stopper 19 is pulled to stretch the spring 3, and the telescopic rod 2 is also telescoped with the stretching of the spring 3, thereby driving the L-shaped block 18 to withdraw from the inside of the tool storage groove 15, at this time, the drawing tool can be taken or placed, then the stopper 19 is released, the L-shaped block 18 is driven to contract by the telescopic rod 2 under the reset action of the spring 3, thereby driving the L-shaped block 18 to close with the tool storage groove 15 again, and making the L-shaped block 18 contact with the stopper 19, the stopper 19 is used to limit the sliding track of the L-shaped block 18, preventing the L-shaped block 18 from sliding excessively into the drawing tool to cause damage.

[0039] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can be modified to the technical solutions recorded in the foregoing embodiments, or equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A multifunctional portable drawing board for coal mine geological mapping, comprising a drawing board (1), characterized in that: The inside of the drawing board (1) is provided with a plurality of clamping grooves (2), the inside of the plurality of clamping grooves (2) is slidably connected with a sleeve rod (3), the inside of the sleeve rod (3) is threadedly connected with a rotating rod (4), the outside of the rotating rod (4) is fixedly connected with a limiting plate (5), the outside of the rotating rod (4) is sleeved with a spring (6), the inside of the sleeve rod (3) is slidably connected with two ball bearings (7), the outside of the sleeve rod (3) is fixedly connected with a supporting block (9), the side of the supporting block (9) facing the drawing board (1) is fixedly connected with a telescopic rod (10), the outside of the telescopic rod (10) is sleeved with a spring (11), the other end of the telescopic rod (10) is fixedly connected with a fixed plate (12), and the top end of the drawing board (1) is fixedly connected with an illuminating assembly for providing illumination.

2. The multifunctional portable drawing board for drawing coal mine geological map according to claim 1, characterized in that: The illuminating assembly comprises a power block (13), and the bottom end of the power block (13) is fixedly connected to the top end of the drawing board (1), and the top end of the power block (13) is fixedly connected with a lighting lamp (14).

3. The multifunctional portable drawing board for drawing coal mine geological map according to claim 1, characterized in that: The inside of the drawing board (1) is provided with a plurality of clamping grooves (2), the inside of the plurality of clamping grooves (2) is slidably connected with a sleeve rod (3), the inside of the sleeve rod (3) is threadedly connected with a rotating rod (4), the outside of the rotating rod (4) is fixedly connected with a limiting plate (5), the outside of the rotating rod (4) is sleeved with a spring (6), the inside of the sleeve rod (3) is slidably connected with two ball bearings (7), the outside of the sleeve rod (3) is fixedly connected with a supporting block (9), the side of the supporting block (9) facing the drawing board (1) is fixedly connected with a telescopic rod (10), the outside of the telescopic rod (10) is sleeved with a spring (11), the other end of the telescopic rod (10) is fixedly connected with a fixed plate (12), and the top end of the drawing board (1) is fixedly connected with an illuminating assembly for providing illumination.

4. The multifunctional portable drawing board for drawing coal mine geological map according to claim 1, characterized in that: The outside of the limiting plate (5) is slidably connected in the inside of the sleeve rod (3), and the outside of the sleeve rod (3) is fixedly connected with a rotating block (8).

5. The multifunctional portable drawing board for drawing coal mine geological map according to claim 1, characterized in that: The outside of the rotating rod (4) is in contact with the outside of the ball bearing (7), and the outside of the ball bearing (7) is clamped with the inside of the clamping groove (2).

6. The multifunctional portable drawing board for drawing coal mine geological map according to claim 1, characterized in that: One end of the spring (11) is fixedly connected to the outside of the supporting block (9), and the other end of the spring (11) is fixedly connected to the outside of the fixed plate (12).

7. The multifunctional portable drawing board for drawing coal mine geological map according to claim 1, characterized in that: The outside of the fixed plate (12) is slidably connected to the outside of the sleeve rod (3), and the outside of the fixed plate (12) is in contact with the side of the drawing board (1) on which the drawing is placed.

8. The multifunctional portable drawing board for coal mine geological map drawing according to claim 3, characterized in that: The outside of the L-shaped block (18) is slidably connected in the inside of the tool containing groove (15), and the outside of the L-shaped block (18) is in contact with the outside of the blocking block (19).