A scissor-type electric lifting coal sample drilling device and sampling vehicle

Abstract

This utility model discloses a scissor-type electric lifting coal sample drilling device and sampling vehicle, relating to the field of coal pile sampling technology. It includes a device base, a scissor lifting mechanism, and a coal sample drilling section. The device base is mounted on a mobile device. The scissor lifting mechanism can drive the coal sample drilling section to move vertically, thereby achieving coal sample drilling. This can replace the manual sampling process, reducing the labor intensity of manual operations. Furthermore, the stable power output of the scissor lifting mechanism and the coal sample drilling section works in tandem to achieve precise control of drilling speed and depth, avoiding coal sample breakage caused by uneven drilling force during manual operation. This not only improves the success rate of single drilling but also shortens the collection time for a single set of coal samples, achieving a dual improvement in safety and efficiency.

Description

Technical Field

[0001] This utility model relates to the field of coal pile sampling technology, and in particular to a scissor-type electric lifting coal sample drilling device. Background Technology

[0002] In the processes of coal production, transportation, storage, and testing, representative coal sampling is a crucial step in ensuring the accuracy and reliability of subsequent coal quality analysis results. Currently, for large bulk coal piles stored in yards or warehouses, the mainstream method of coal sampling still relies on manual operation. Sampling workers need to carry appropriate sampling tools, climb to the surface of the coal pile several meters or even tens of meters high, and manually dig or cut coal samples according to the prescribed sampling point layout. This traditional operating mode has significant problems and limitations: repeatedly climbing the coal pile, digging coal samples, and transporting the samples down is a physically demanding and heavy-duty operation that easily leads to worker fatigue; the manual sampling process is cumbersome and time-consuming, especially with large coal piles or multi-point sampling requirements, resulting in low overall sampling efficiency.

[0003] The above problems not only increase the cost and uncertainty of coal quality testing, but more importantly, they pose a serious potential threat to the lives of frontline workers. With the advancement of industrial automation technology and the increasing demands for safe production, there is an urgent need to develop an automated coal sampling device that can replace manual labor, is safe and efficient, and strictly adheres to sampling standards. Utility Model Content

[0004] The purpose of this invention is to provide a scissor-type electric lifting coal sample drilling device to solve the problems existing in the prior art. It is an automated coal sample taking device that can replace manual labor, is safe and efficient, and can strictly follow sampling specifications.

[0005] To achieve the above objectives, this utility model provides the following solution:

[0006] This utility model provides a scissor-type electric lifting coal sample drilling device, including a device base, a scissor-type lifting mechanism, and a coal sample drilling part. The device base is used to be mounted on a mobile device; the scissor-type lifting mechanism is fixedly connected to the device base; the coal sample drilling part is located at the lifting end of the scissor-type lifting mechanism and is used to perform coal sample drilling.

[0007] In some embodiments, the equipment base includes a lower base, an upper base, and multiple support rods connecting the two; the scissor lift mechanism is fixedly connected to the upper base, both the upper base and the lower base are rectangular frames, and the lower base is also provided with multiple longitudinal beams.

[0008] In some embodiments, the scissor lift mechanism includes a scissor lift assembly, a lower base plate, and an electric cylinder; the push rod of the electric cylinder is hinged to the scissor lift assembly and is used to drive the scissor lift assembly to achieve vertical movement; the lower base plate is fixedly connected to the scissor lift assembly, and the lifting end of the scissor lift mechanism is the lower base plate.

[0009] In some embodiments, the scissor lift mechanism includes a first scissor arm assembly, a second scissor arm assembly, a first guide groove, a second guide groove, and a push-pull rod; the first guide groove is disposed on the upper base; the second guide groove is fixedly connected to the lower base plate, the lower base plate being located directly below the upper base; a first end of the first scissor arm assembly is slidably connected to the first guide groove, and a second end of the first scissor arm assembly is slidably connected to the second guide groove; a first end of the second scissor arm assembly is slidably connected to the first guide groove, and a second end of the second scissor arm assembly is slidably connected to the second guide groove; both ends of the push-pull rod are fixedly connected to the first ends of the first scissor arm assembly and the first ends of the second scissor arm assembly, respectively; the electric cylinder is horizontally disposed, and the push rod of the electric cylinder is hinged to the push-pull rod.

[0010] In some embodiments, the scissor lift mechanism further includes a guide shaft and a linear bearing. The linear bearing is disposed on the upper base. One end of the guide shaft is fixedly connected to the lower base plate, and the other end of the guide shaft is disposed in a direction away from the lower base plate and passes through the linear bearing, where it is slidably connected to the linear bearing.

[0011] In some embodiments, the coal sample drilling unit includes a drive motor, a reducer, and a coal sampling drill bit. The drive motor is mounted on the lower base plate, and the drive motor drives the coal sampling drill bit to rotate through the reducer.

[0012] In some embodiments, the coal sample drilling section further includes a coal sampling sleeve and a discharge elbow. The top of the coal sampling sleeve is closed, and the coal sampling drill bit is sleeved inside it. One end of the discharge elbow is connected through the coal sampling sleeve, and the other end is set in a direction away from the coal sampling sleeve.

[0013] In some embodiments, the coal-collecting sleeve is coaxially arranged with the coal-collecting drill bit, forming an annular cavity between them for accommodating and lifting coal samples.

[0014] In some embodiments, the guide shaft is provided with a displacement sensor for monitoring the displacement of its push rod.

[0015] This utility model also provides a sampling vehicle, including the scissor-type electric lifting coal sample drilling device as described above, and a loading platform for loading the electric lifting coal sample drilling device, wherein the loading platform has a through hole for the coal sample drilling part to pass through.

[0016] The present invention achieves the following technical advantages over the prior art:

[0017] The scissor-type electric lifting coal sample drilling device provided by this utility model includes a device base, a scissor lifting mechanism, and a coal sample drilling section. The device base is set on a moving device. The scissor lifting mechanism can drive the coal sample drilling section to move vertically, thereby realizing the drilling of coal samples. It can replace the manual sampling process, reduce the labor intensity of manual operation, and the stable power output of the lifting mechanism and the coal sample drilling section can coordinate to achieve precise control of drilling speed and depth, avoiding coal sample breakage caused by uneven drilling force during manual operation. It can improve the success rate of single drilling and shorten the collection time of a single set of coal samples, achieving a dual improvement in safety and efficiency. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 A schematic diagram of the scissor-type electric lifting coal sample drilling device provided by this utility model;

[0020] Figure 2 for Figure 1 A top view with the electric cylinder removed;

[0021] Figure 3 for Figure 1 Schematic diagram of the structure of the scissor lift assembly;

[0022] Figure 4 This is a schematic diagram of the internal structure of the coal sample drilling section.

[0023] In the diagram: 1-Equipment base; 11-Upper base; 12-Support rod; 13-Longitudinal beam; 14-Lower base; 2-Scissor lift mechanism; 21-Guide shaft; 22-Linear bearing; 23-Electric cylinder; 24-Scissor lift assembly; 25-Lower base plate; 241-First guide groove; 242-Second guide groove; 243-First scissor arm assembly; 244-Second scissor arm assembly; 245-Push-pull rod; 3-Coal sample drilling section; 31-Drive motor; 32-Reducer; 33-Coal drill bit; 34-Coal sleeve; 341-Unloading elbow. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] The purpose of this invention is to provide a scissor-type electric lifting coal sample drilling device and sampling vehicle to solve the problems existing in the prior art, and to provide an automated coal sampling device that can replace the manual sampling process and is safe and efficient.

[0026] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0027] Example 1

[0028] Combination Figures 1 to 4 This embodiment provides a scissor-type electric lifting coal sample drilling device, including a device base 11, a scissor lifting mechanism 22, and a coal sample drilling section 33. The device base 11 is mounted on a mobile device. The lifting mechanism 22 can drive the coal sample drilling section 33 to move vertically, thereby realizing the drilling of coal samples. It can replace the manual sampling process, reduce the labor intensity of manual operation, and the stable power output of the lifting mechanism 2 and the coal sample drilling section 33 can coordinate to achieve precise control of drilling speed and depth, avoiding coal sample breakage caused by uneven drilling force during manual operation. It can improve the success rate of single drilling and shorten the collection time of a single coal sample, achieving a dual improvement in safety and efficiency.

[0029] In some embodiments, the equipment base 1 includes a lower base 14, an upper base 11, and multiple support rods 12 connected between the two; a scissor lift mechanism is fixedly connected to the upper base 11. Both the upper base 11 and the lower base 14 are rectangular frames. The lower base 14 is also provided with multiple longitudinal beams 13. This structure provides a stable foundation for the entire coal sample drilling equipment through layered support and reinforced layout, thereby improving the overall support stability and anti-overturning ability of the equipment.

[0030] In some embodiments, the scissor lift mechanism includes a scissor lift assembly 24, a lower base plate 25, and an electric cylinder 23; the push rod of the electric cylinder 23 is hinged to the scissor lift assembly 24 and is used to drive the scissor lift assembly 24 to achieve vertical movement; the lower base plate 25 is fixedly connected to the scissor lift assembly 24, and the lifting end of the scissor lift mechanism is the lower base plate 25.

[0031] Preferably, the scissor lift mechanism includes a first scissor arm assembly 243, a second scissor arm assembly 244, a first guide groove 241, a second guide groove 242, and a push-pull rod 245; the first guide groove 241 is disposed on the upper base 11; the second guide groove 242 is fixedly connected to the lower base plate 25, which is located directly below the upper base 11; the first end of the first scissor arm assembly 243 is slidably connected to the first guide groove 241, and the second end of the first scissor arm assembly 243 is slidably connected to the second guide groove 242; the first end of the second scissor arm assembly 244 is slidably connected to the first guide groove 241, and the second end of the second scissor arm assembly 244 is slidably connected to the second guide groove 242; the two ends of the push-pull rod 245 are fixedly connected to the first ends of the first scissor arm assembly 243 and the first ends of the second scissor arm assembly 244, respectively; the electric cylinder 23 is horizontally disposed, and the push rod of the electric cylinder 23 is hinged to the push-pull rod 245.

[0032] The scissor lift mechanism provided in this example transmits power symmetrically to the scissor arm by driving the push-pull rod 245 through the horizontal electric cylinder 23. Combined with the precise constraints of the upper and lower guide grooves, it achieves smooth lifting and excellent load-bearing capacity. Its compact structure effectively saves installation space, and the horizontal layout of the electric cylinder 23 also facilitates maintenance, significantly improving the overall reliability and stability of the equipment.

[0033] In some embodiments, the scissor lift mechanism further includes a guide shaft 21 and a linear bearing 22. The linear bearing 22 is disposed on the upper base 11. One end of the guide shaft 21 is fixedly connected to the lower base plate 25, and the other end of the guide shaft 21 is disposed in a direction away from the lower base plate 25 and passes through the linear bearing 22 and is slidably connected to the linear bearing 22. The cooperation between the guide shaft 21 and the linear bearing 22 strictly restricts its horizontal degree of freedom, ensuring that the lower base plate 25 always moves in the vertical direction, avoiding the slight tilt that may occur in traditional scissor mechanisms, thereby improving positioning accuracy.

[0034] In some embodiments, the coal sample drilling unit 3 includes a drive motor 31, a reducer 32, and a coal sampling drill bit 33. The drive motor 31 is mounted on the lower base plate 25, and the drive motor 31 drives the coal sampling drill bit 33 to rotate through the reducer 32.

[0035] First, the drive motor 31 is mounted on the lower base plate 25, forming a top-to-bottom power transmission path with the reducer 32 and the coal drilling bit 33. This layout makes the center of gravity of the equipment more stable and avoids the risk of equipment tipping over due to the concentration of power components at the top. Second, the reducer 32 can convert the high-speed, low-torque output of the motor into the low-speed, high-torque output required by the coal drilling bit 33 through the speed reduction and torque amplification effect. This can not only meet the drilling needs of coals with different hardness, but also reduce power loss, ensure efficient power transmission to the drill bit, and improve the energy utilization rate of drilling operations.

[0036] In some embodiments, the coal sample drilling section 3 further includes a coal sampling sleeve 34 and a discharge elbow 341. The top of the coal sampling sleeve 34 is closed, and a coal sampling drill bit 33 is installed inside it. One end of the discharge elbow 341 is connected through the coal sampling sleeve 34, and the other end is set in a direction away from the coal sampling sleeve 34.

[0037] The design of the coal-receiving sleeve 34 with its top closed and the coal-receiving drill bit 33 installed inside can effectively isolate the coal sample from external dust, rock debris and other impurities, ensuring the purity of the coal sample. At the same time, the structure of the unloading elbow 341 with one end connected to the coal-receiving sleeve 34 and the other end facing away from the coal-receiving sleeve 34 can guide the coal sample to fall directly into the preset collection container, significantly optimizing the convenience of operation.

[0038] In some embodiments, the coal-receiving sleeve 34 and the coal-receiving drill bit 33 are coaxially arranged, forming an annular cavity for accommodating and lifting the coal sample. The two are coaxial and the width of the cavity is uniform throughout, so that the coal sample can rise stably along the annular space during the drilling process, avoiding coal sample jamming or accumulation caused by uneven channel width. Especially for coal samples with uneven particle size, it can reduce the risk of transmission blockage, ensure the continuity of the coal-receiving process, and improve service life.

[0039] In some embodiments, the guide shaft 21 is provided with a displacement sensor for monitoring the displacement of its push rod.

[0040] In this embodiment, the guide shaft 21 is further defined, and a displacement sensor is set on the guide shaft 21 to monitor the displacement of its push rod. This sensor can accurately identify the displacement of the scissor lift mechanism, and then identify the displacement of the lower bottom plate 25, thereby achieving precise control of the coal sample drilling depth and ensuring strict compliance with sampling standards. It is understood that the displacement sensor in this example can be any existing sensor capable of performing the above functions.

[0041] The specific working principle of this utility model is as follows: The electric cylinder 23 is activated, pushing the lower base plate 25 of the scissor-type lifting mechanism to descend, thereby causing the coal drilling bit 33 to descend to the upper surface of the coal pile. The coal drilling drive motor 31 is activated, driving the coal drilling bit 33 to rotate. At the same time, the lifting operation unit continues to descend. The coal drilling takes a coal sample and first removes the rinsing (it can be understood that in this utility model, rinsing means that when the coal drilling bit 33 descends, a portion of the coal sample will be extracted. This coal sample is not the coal sample needed by the staff, so it will not be collected, thus achieving the rinsing process). When the displacement sensor of the guide shaft 21 detects that the rinsing depth has been reached, formal sampling begins. When the displacement sensor of the guide shaft 21 detects that the sampling depth has been reached, the coal drilling drive motor 31 brakes, stopping sampling. At the same time, the electric cylinder 23 retracts, and the lower base plate 25 of the scissor-type lifting operation unit rises, causing the coal sample drilling operation unit to move up to the initial position. The electric cylinder 23 stops, preparing for the next sampling point.

[0042] Example 2

[0043] This embodiment also provides a sampling vehicle, including a scissor-type electric lifting coal sample drilling device of embodiment one, and a loading platform for loading the scissor-type electric lifting coal sample drilling device, wherein the loading platform has a through hole for the coal sample drilling part 3 to pass through.

[0044] Example 2 has all the advantages of Example 1, which will not be repeated here. In addition, the sampling vehicle in Example 2 also includes a loading platform for loading the scissor-type electric lifting coal sample drilling device. The loading platform is provided with a through hole for the coal sample drilling part 3 to pass through, which facilitates the coal sample drilling device to carry out the coal sample sampling process through the through hole.

[0045] It should be noted that, for those skilled in the art, it is obvious that this utility model is not limited to the details of the above exemplary embodiments, and that this utility model can be implemented in other specific forms without departing from the spirit or essential characteristics of this utility model. Therefore, the scope of this utility model is defined by the appended claims rather than the foregoing description, and thus it is intended to encompass all changes falling within the meaning and scope of the equivalents of the claims within this utility model.

[0046] This utility model uses specific examples to illustrate its principles and implementation methods. The above description of the embodiments is only for the purpose of helping to understand the method and core idea of ​​this utility model. At the same time, for those skilled in the art, there will be changes in the specific implementation methods and application scope based on the idea of ​​this utility model. In summary, the content of this specification should not be construed as a limitation of this utility model.

Claims

1. A scissor-type electric lifting coal sample drilling device, characterized in that, include: A device base is used to mount a mobile device. The device base includes a lower base, an upper base, and multiple support rods connecting the two. A scissor lift mechanism is fixedly connected to the upper base. Both the upper base and the lower base are rectangular frames. The lower base is also provided with multiple longitudinal beams. A scissor lift mechanism is fixedly connected to the equipment base. The scissor lift mechanism includes a scissor lift assembly, a lower base plate, and an electric cylinder. The push rod of the electric cylinder is hinged to the scissor lift assembly and is used to drive the scissor lift assembly to achieve vertical movement. The lower base plate is fixedly connected to the scissor lift assembly, and the lifting end of the scissor lift mechanism is the lower base plate. A coal sample drilling unit is located at the lifting end of the scissor lift mechanism and is used to perform coal sample drilling. The coal sample drilling unit includes a drive motor, a reducer, and a coal sampling drill bit. The drive motor is located on the lower base plate, and the drive motor drives the coal sampling drill bit to rotate through the reducer.

2. The scissor-type electric lifting coal sample drilling device according to claim 1, characterized in that: The scissor lift mechanism includes a first scissor arm assembly, a second scissor arm assembly, a first guide groove, a second guide groove, and a push-pull rod; the first guide groove is disposed on the upper base; the second guide groove is fixedly connected to the lower base plate, and the lower base plate is located directly below the upper base; the first end of the first scissor arm assembly is slidably connected to the first guide groove, and the second end of the first scissor arm assembly is slidably connected to the second guide groove; the first end of the second scissor arm assembly is slidably connected to the first guide groove, and the second end of the second scissor arm assembly is slidably connected to the second guide groove; both ends of the push-pull rod are fixedly connected to the first end of the first scissor arm assembly and the first end of the second scissor arm assembly, respectively, and the push rod of the electric cylinder is hinged to the push-pull rod.

3. The scissor-type electric lifting coal sample drilling device according to claim 2, characterized in that: The scissor lift mechanism also includes a guide shaft and a linear bearing. The linear bearing is disposed on the upper base. One end of the guide shaft is fixedly connected to the lower base plate, and the other end of the guide shaft is disposed in a direction away from the lower base plate and passes through the linear bearing and is slidably connected to the linear bearing.

4. The scissor-type electric lifting coal sample drilling device according to claim 1, characterized in that: The coal sample drilling section also includes a coal sampling sleeve and a discharge elbow. The coal sampling drill bit is installed inside the coal sampling sleeve. One end of the discharge elbow is connected to the coal sampling sleeve, and the other end is set away from the coal sampling sleeve.

5. The scissor-type electric lifting coal sample drilling device according to claim 4, characterized in that: The coal-taking sleeve is coaxially arranged with the coal-taking drill bit, and an annular cavity is formed between them to accommodate and lift the coal sample.

6. The scissor-type electric lifting coal sample drilling device according to claim 3, characterized in that: The guide shaft is equipped with a displacement sensor for monitoring the displacement of its push rod.

7. A sampling vehicle, comprising a scissor-type electric lifting coal sample drilling device as described in any one of claims 1 to 6, and a loading platform for loading the scissor-type electric lifting coal sample drilling device, wherein the loading platform has a through hole for the coal sample drilling part to pass through.

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