A coal cake density measuring device

Abstract

The utility model discloses a kind of coal cake density measuring devices, including bottom plate, the electronic scale is embedded in bottom plate end face, the frame is fixedly connected with bottom plate end face, the sliding block is movably connected in the frame, the fixed plate is fixedly connected with the outer wall of both sides of sliding block, two groups of fixed plate are jointly connected with bench water drill machine.The utility model directly weighs the coal cake sample drilled by the electronic scale embedded in bottom plate, avoids the error caused by sample transfer in traditional method;With the scale line and linkage pointer of drill bit outer wall, operator can observe sampling volume in real time, ensure the depth and volume of each sampling consistent, improve the accuracy of density measurement, and the lifting mechanism of threaded rod and limit rod constituted by servo motor drive makes drill bit can be stable vertical feed, reduce artificial operation shake, while spring and top plate constitute automatic discharge mechanism to quickly empty drill bit, avoid residual interference subsequent measurement, overall operation is more efficient and convenient.

Description

Technical Field

[0001] This utility model relates to the field of measuring device technology, specifically a coal cake density measuring device. Background Technology

[0002] In the coking process, the bulk density of coal cakes is a key parameter affecting coke quality and production efficiency. Accurate measurement of coal cake density can effectively optimize coal blending and improve compaction, thereby achieving efficient resource utilization and reducing energy costs. Inaccurate measurement of coal cake density may lead to insufficient coke strength, decreased production efficiency, or even abnormal operation of the coke oven.

[0003] Currently, commonly used methods for measuring coal cake density include block cutting measurement and traditional borehole sampling measurement. Block cutting measurement obtains samples by cutting the coal cake, but this method is cumbersome, damages the coal cake structure, makes it difficult to reflect the overall density distribution of the coal cake, and results in significant measurement errors. While traditional borehole sampling measurement can obtain local samples, the equipment often lacks precise depth control and automation functions, requiring manual operation, which is inefficient and susceptible to human error. Therefore, this invention proposes a coal cake density measuring device to solve the above problems. Utility Model Content

[0004] (a) Technical problems to be solved

[0005] To address the shortcomings of existing technologies, a drive mechanism is used to achieve precise vertical feeding of the drill bit, ensuring controllable sampling depth; a discharge mechanism automatically empties the coal sample from the drill bit, avoiding residual interference. The two mechanisms work together to solve the problems of unstable sampling, large human error, and the impact of sample residue on measurements in traditional methods, thus improving the accuracy and efficiency of coal cake density measurement.

[0006] (II) Technical Solution

[0007] To achieve the above objectives, this utility model provides the following technical solution: It includes a base plate, an electronic scale embedded in the end face of the base plate, a frame fixedly connected to the end face of the base plate, a slider movably connected within the frame, fixed plates fixedly connected to the outer walls of both sides of the slider, a benchtop water drill connected to both sets of fixed plates, a drill bit fixedly connected to the output shaft of the benchtop water drill, the drill bit located at the axis of the electronic scale, a drive mechanism installed within the frame, and a material discharge mechanism installed within the drill bit.

[0008] The drive mechanism is used to drive the slider and drill bit to move vertically up and down.

[0009] The discharge mechanism is used to discharge the coal cake from the drill bit.

[0010] Preferably, the driving mechanism includes a threaded rod rotatably connected within the frame, the slider being threadedly connected to the threaded section of the threaded rod, and two sets of limiting rods symmetrically arranged within the frame, with the threaded rod slidably connected to the outer walls of the two sets of limiting rods.

[0011] Preferably, the discharge mechanism includes a top plate slidably connected inside the drill bit, a limiting groove is formed inside the drill bit, the outer wall of the top plate is integrally formed with a protrusion that moves within the limiting groove, and a spring is fixedly connected inside the drill bit, with both ends of the spring being fixedly connected to the top of the drill bit and the end face of the top plate, respectively.

[0012] Preferably, the outer wall of the drill bit is provided with scale lines, and the outer wall of the drill bit is provided with a sliding groove that extends through into the drill bit.

[0013] Preferably, a connecting rod is slidably connected in the groove, one end of the connecting rod is fixedly connected to the top plate, and the other end of the connecting rod is fixedly connected to a pointer, which slides against the outer wall of the drill bit and slides on the scale line path.

[0014] Preferably, a servo motor is fixedly connected to the end face of the frame, and the output shaft of the servo motor is coaxially and fixedly connected to the threaded rod.

[0015] (III) Beneficial Effects

[0016] Compared with the prior art, the present invention provides a coal cake density measuring device, which has the following beneficial effects:

[0017] 1. The coal cake sample is directly weighed by an electronic scale embedded in the base plate, avoiding errors caused by sample transfer in traditional methods. With the scale lines and linkage pointer on the outer wall of the drill bit, the operator can observe the sampling volume in real time to ensure that the depth and volume of each sampling are consistent, improving the accuracy of density measurement. The lifting mechanism composed of a threaded rod and a limit rod driven by a servo motor enables the drill bit to feed vertically and stably, reducing shaking during manual operation. At the same time, the automatic material discharge mechanism composed of springs and top plate quickly empties the drill bit to avoid residual interference with subsequent measurements, making the overall operation more efficient and convenient.

[0018] 2. The rigid connection design of the frame and slider, combined with the fixed installation method of the benchtop water drill, ensures the stability of the drilling process. The linkage design of the slide and the connecting rod converts the displacement of the internal top plate into an intuitive display of the external pointer, allowing monitoring of the sampling status without disassembly and reducing the risk of human error. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure of a coal cake density measuring device proposed in this utility model;

[0020] Figure 2 for Figure 1 Schematic diagram of cross-section structure;

[0021] Figure 3 for Figure 1 Schematic diagram of the cross-sectional structure at the drill bit;

[0022] Figure 4 for Figure 3 Structural diagram;

[0023] In the diagram: 1. Base plate; 2. Electronic scale; 3. Frame; 4. Fixing plate; 5. Benchtop water drill; 6. Drill bit; 7. Limiting rod; 8. Slider; 9. Servo motor; 10. Scale line; 11. Pointer; 12. Connecting rod; 13. Slide groove; 14. Spring; 15. Top plate; 16. Threaded rod; 17. Limiting groove. Detailed Implementation

[0024] In this utility model, unless otherwise stated, the orientations used, such as "up" and "down", usually refer to the direction shown in the accompanying drawings, or to the vertical, perpendicular, or gravitational direction; similarly, for ease of understanding and description, "left" and "right" usually refer to the left and right shown in the accompanying drawings; "inner" and "outer" refer to the inner and outer contours of each component itself, but the above directional terms are not used to limit this utility model.

[0025] This utility model provides a technical solution for a coal cake density measuring device:

[0026] Please see Figure 1-4 A coal cake density measuring device includes a base plate 1, an electronic scale 2 embedded in the end face of the base plate 1, a frame 3 fixedly connected to the end face of the base plate 1, a slider 8 movably connected in the frame 3, fixed plates 4 fixedly connected to the outer walls on both sides of the slider 8, a benchtop water drill 5 connected to the two sets of fixed plates 4, a drill bit 6 fixedly connected to the output shaft of the benchtop water drill 5, the drill bit 6 being located at the axis of the electronic scale 2, a drive mechanism installed in the frame 3, and a discharge mechanism installed in the drill bit 6.

[0027] The drive mechanism is used to drive the slider 8 and drill bit 6 to move vertically up and down;

[0028] The discharge mechanism is used to discharge the coal cake from inside drill bit 6;

[0029] Furthermore, by embedding an electronic scale 2 in the base plate 1, the sample can be weighed directly after being taken by the drill bit 6, avoiding errors caused by sample transfer. The setting of the drive mechanism and the discharge mechanism realizes accurate sampling and automatic discharge, improving the automation and accuracy of measurement.

[0030] The drive mechanism includes a threaded rod 16 rotatably connected within the frame 3, a slider 8 threadedly connected to the threaded section of the threaded rod 16, and two sets of limiting rods 7 symmetrically arranged within the frame 3. The threaded rod 16 is slidably connected to the outer walls of the two sets of limiting rods 7.

[0031] Furthermore, the threaded engagement between the threaded rod 16 and the slider 8, as well as the limiting rod 7's limiting and guiding function on the threaded rod 16, can precisely control the lifting and lowering displacement of the slider 8 and the drill bit 6, enabling precise adjustment of the drilling depth. At the same time, the stable lifting structure reduces equipment shaking and improves the accuracy and consistency of sampling.

[0032] The material discharge mechanism includes a top plate 15 that is slidably connected inside the drill bit 6. A limiting groove 17 is opened inside the drill bit 6. The outer wall of the top plate 15 is integrally formed with a protrusion and moves within the limiting groove 17. A spring 14 is fixedly connected inside the drill bit 6. The two ends of the spring 14 are fixedly connected to the top of the drill bit 6 and the end face of the top plate 15, respectively.

[0033] Furthermore, the cooperation between the spring 14 and the top plate 15 can automatically discharge the coal cake in the drill bit 6 after sampling, avoiding residual samples from affecting the accuracy of subsequent measurements; the limiting groove 17 limits the top plate 15.

[0034] The outer wall of the drill bit 6 is provided with scale lines 10, and the outer wall of the drill bit 6 is provided with a sliding groove 13, which extends through the drill bit 6.

[0035] Furthermore, the scale lines 10 on the outer wall of the drill bit 6 cooperate with the slide groove 13 to visually display the filling status of the coal cake inside the drill bit 6.

[0036] A connecting rod 12 is slidably connected inside the groove 13. One end of the connecting rod 12 is fixedly connected to the top plate 15, and the other end of the connecting rod 12 is fixedly connected to a pointer 11. The pointer 11 slides against the outer wall of the drill bit 6 and slides along the path of the scale line 10.

[0037] Furthermore, through the linkage between the connecting rod 12 and the pointer 11, the displacement of the top plate 15 is converted into the movement of the pointer 11 on the scale line 10. The operator can observe the position of the pointer 11 to understand the amount of coal cake filling in the drill bit 6 in real time.

[0038] A servo motor 9 is fixedly connected to the end face of frame 3, and the output shaft of servo motor 9 is coaxially fixedly connected to threaded rod 16.

[0039] In practical use, the working principle of this utility model is as follows:

[0040] When the operator uses the coal cake density measuring device, the device is placed above the coal cake to be measured, and the drill bit 6 is aligned with the measuring point. Then the servo motor 9 is started, and its output shaft drives the threaded rod 16 to rotate. At the same time, under the guidance of the limiting rod 7, the slider 8 moves vertically downward smoothly along the frame 3, driving the fixed plate 4, the benchtop water drill 5 and the drill bit 6 down together.

[0041] Once drill bit 6 contacts the coal cake, the benchtop water drill 5 is started, and its output shaft drives drill bit 6 to rotate and drill into the coal cake for sampling. As drill bit 6 continues to penetrate deeper, it gradually fills with coal sample, pushing top plate 15 upwards against the elastic force of spring 14. The protrusion on the outer wall of top plate 15 moves within the limiting groove 17 to ensure stable sliding of top plate 15. Simultaneously, connecting rod 12 connected to top plate 15 drives pointer 11 to slide synchronously on the scale line 10 on the outer wall of drill bit 6. The operator can visually observe the position of pointer 11 and monitor the amount of coal cake filling in drill bit 6 in real time, avoiding insufficient or excessive sampling.

[0042] After sampling is completed, the benchtop water drill 5 is turned off, and the servo motor 9 is restarted to rotate in reverse, causing the drill bit 6 to rise and detach from the coal cake. At this time, the mass of the coal sample inside the drill bit 6 is directly measured by the electronic scale 2 embedded in the base plate 1, avoiding the errors caused by sample transfer in traditional devices. Then, the spring 14 returns to its original deformation, pushing the top plate 15 downward to automatically discharge the coal cake from the drill bit 6, preventing residual sample from affecting the accuracy of subsequent measurements.

[0043] The above are merely specific embodiments of this utility model, but the technical features of this utility model are not limited thereto. Any simple changes, equivalent substitutions, or modifications made based on this utility model to solve essentially the same technical problems and achieve essentially the same technical effects are all covered within the protection scope of this utility model.

Claims

1. A coal cake density measuring device, comprising a base plate (1), characterized in that: An electronic scale (2) is embedded in the end face of the base plate (1). A frame (3) is fixedly connected to the end face of the base plate (1). A slider (8) is movably connected inside the frame (3). Fixing plates (4) are fixedly connected to the outer walls on both sides of the slider (8). A benchtop water drill (5) is connected to the two sets of fixing plates (4). A drill bit (6) is fixedly connected to the output shaft of the benchtop water drill (5). The drill bit (6) is located at the axis of the electronic scale (2). A drive mechanism is installed inside the frame (3). A material discharge mechanism is installed inside the drill bit (6). The drive mechanism is used to drive the slider (8) and drill bit (6) to move vertically up and down; The discharge mechanism is used to discharge the coal cake inside the drill bit (6).

2. The coal cake density measuring device according to claim 1, characterized in that: The driving mechanism includes a threaded rod (16) rotatably connected in the frame (3), and the slider (8) is threadedly connected to the threaded section of the threaded rod (16). Two sets of limiting rods (7) are symmetrically arranged in the frame (3), and the threaded rod (16) is slidably connected to the outer wall of the two sets of limiting rods (7).

3. The coal cake density measuring device according to claim 2, characterized in that: The material discharge mechanism includes a top plate (15) slidably connected inside the drill bit (6), a limiting groove (17) is provided inside the drill bit (6), the outer wall of the top plate (15) is integrally formed with a protrusion and moves within the limiting groove (17), and a spring (14) is fixedly connected inside the drill bit (6), with both ends of the spring (14) fixedly connected to the top of the drill bit (6) and the end face of the top plate (15) respectively.

4. The coal cake density measuring device according to claim 3, characterized in that: The drill bit (6) has a scale line (10) on its outer wall and a groove (13) on its outer wall, which extends through into the drill bit (6).

5. The coal cake density measuring device according to claim 4, characterized in that: A connecting rod (12) is slidably connected inside the groove (13). One end of the connecting rod (12) is fixedly connected to the top plate (15), and the other end of the connecting rod (12) is fixedly connected to a pointer (11). The pointer (11) slides against the outer wall of the drill bit (6) and slides on the path of the scale line (10).

6. The coal cake density measuring device according to claim 5, characterized in that: A servo motor (9) is fixedly connected to the end face of the frame (3), and the output shaft of the servo motor (9) is coaxially fixedly connected to the threaded rod (16).

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