Ore sampling equipment for mining

Abstract

The invention provides ore sampling equipment for mining, comprising: a casing, the bottom of which is provided with a working groove for mining; and the master control assembly is arranged at the top of the working groove and used for carving and chiseling operation. The invention belongs to the technical field of mining. According to the invention, through the arrangement of the carving assembly, when the cutting saw cuts the ore wall, the hammering unit is utilized to break the ore wall, so that ore chippings directly fall into the working groove of the machine shell, and the situation that the sampling precision is influenced by the flying of the chippings can be avoided, so that the ore sampling precision is improved while the ore sampling efficiency is improved.

Description

TECHNICAL FIELD

[0001] The present disclosure belongs to the technical field of mining, and particularly relates to a mine sampling device for mining. BACKGROUND

[0002] The ore sampling is a key link for obtaining a representative ore sample in geological exploration, mine production and mineral processing. The purpose is to understand the quality (grade), mineral composition, structure, physical and chemical properties of the ore through analysis and testing of the sample, so as to provide a basis for resource evaluation, mine design, production management, beneficiation process and economic evaluation.

[0003] In the prior art, the notching method is the most classic rock and ore sampling method in geological exploration and mine production, which collects all the debris as a sample by notching a continuous groove on the ore outcrop or tunnel wall according to a certain specification (width, depth, length). However, due to the need to notch a continuous groove on the tunnel wall, the powder of brittle minerals (such as coal and graphite) will splash during the notching process, and the loss of fine particles will lead to overestimation of the grade, which will affect the accuracy of ore sampling. SUMMARY

[0004] In order to solve the above problems, the present application provides a mine sampling device for mining, comprising: a machine shell, the bottom of which is provided with a working groove for mining; a general control assembly arranged at the top of the working groove for notching operation; a notching assembly arranged in the working groove for notching the mine wall, the notching assembly comprising a cutting saw, a roller, a hammering unit and an excitation shaft, the outer peripheral wall of the roller is annularly arranged with a plurality of hammering units for impacting the mine wall, the middle part of the roller is provided with an excitation shaft for exciting the hammering units, the two ends of the excitation shaft are fixedly connected with sealing discs, the two sealing discs are respectively rotatably connected on the two sides of the roller, so that a closed space is formed in the roller, the middle part of the excitation shaft is rotatably connected with a rotating shaft, the rotating shaft is connected with the roller through a speed changing unit, and the two ends of the rotating shaft extend out of the roller and are fixedly connected with the cutting saw; a feeding assembly arranged at the top of the working groove for driving the notching assembly to feed.

[0005] Further, the feeding assembly comprises a screw rod, a sliding block, a sliding table and a connecting unit, two screw rods are connected on the top of the working groove on both sides respectively, the sliding table is slidably arranged on the screw rod, the sliding block is connected in the sliding table and threadedly connected with the screw rod, and the bottom of the sliding table is connected with the sealing disc through the connecting unit.

[0006] Further, the connecting unit comprises a connecting sleeve, a connecting rod, a limiting table and a supporting spring, the connecting sleeve is fixedly connected to the bottom of the sliding table, the bottom of the connecting sleeve is slidably connected with the connecting rod, the bottom of the connecting rod is fixedly connected with the sealing disc, the outer wall of the connecting rod is fixedly connected with the limiting table, and the supporting spring is fixedly connected between the limiting table and the connecting sleeve.

[0007] Further, the bottom of the sliding table is provided with a mounting groove, a resisting block for resisting the sliding block is slidably connected in the mounting groove, the bottom of the mounting groove is communicated with the connecting sleeve through an air hole, and an electromagnetic valve for pressure relief is connected to the side wall of the sliding table.

[0008] Further, the hammering unit comprises a hammering block and an impact piece, the hammering block is fixedly connected to the inner wall of the roller, the side of the hammering block close to the roller is protruded to form a sharp end extending out of the roller, the side of the hammering block close to the excitation shaft is connected with the impact piece, and the side of the hammering block close to the excitation shaft is provided with a groove, and the side wall of the groove close to the opening is recessed to form a step for supporting the impact piece.

[0009] Further, the impact piece comprises a sliding sleeve, an impact block and a pressing block, the sliding sleeve is slidably connected to the outer side of the hammering block, a compression spring one is connected between the sliding sleeve and the hammering block, the impact block is rotatably connected in the sliding sleeve, the side of the impact block away from the sliding sleeve abuts against the step, the side of the sliding sleeve close to the excitation shaft is connected with a pressing block in contact with the excitation shaft through a compression spring two, the stiffness coefficient of the compression spring two is greater than that of the compression spring one, the side wall of the pressing block is fixedly connected with a pressing plate for driving the impact block on both sides of the impact block, and the side of the pressing plate away from the pressing block extends into the sliding sleeve.

[0010] Further, the side wall of the sharp end is provided with an air passage one communicated with the groove, and a one-way valve one is connected to the opening position of the air passage one, and a circular hole communicated with the groove is formed in the sliding sleeve, and a one-way valve two is fixedly connected in the circular hole.

[0011] Further, the bottom of the excitation shaft is protruded to form an excitation part for abutting against the pressing block, the top of the excitation shaft is provided with an air passage two, the air passage two penetrates through the sealing disc and extends into the connecting rod, so that the closed space in the roller is communicated with the closed space in the connecting sleeve.

[0012] Further, the side wall of one of the sliding tables is fixedly connected with a linear driver, the output shaft of the linear driver is fixedly connected with a supporting plate, the bottom of the supporting plate is fixedly connected with a driving motor, the output shaft of the driving motor is fixedly connected with a connecting plug, and the end of the rotating shaft is provided with a plug slot for inserting the connecting plug.

[0013] In summary, the present application has at least one of the following beneficial technical effects: 1. The ore sampling device for mining, by setting the engraving assembly, the cutting saw can cut the mine wall at the same time, using the hammer unit to knock the mine wall, so that the ore debris directly falls into the working groove of the shell, which can avoid the flying debris affecting the sampling accuracy, thereby improving the ore sampling efficiency and the ore sampling accuracy; 2. The ore sampling device for mining, by setting the feeding assembly, the feeding assembly can automatically activate after the hammer unit is in contact with the mine wall, so that the feeding assembly automatically advances with the engraving assembly, which can ensure the ore sampling effect and reduce the operation difficulty of the ore sampling device, thereby further improving the efficiency of ore sampling; 3. The ore sampling device for mining, by setting the excitation shaft, the bottom of the excitation shaft is provided with an excitation part, so that the hammer unit can be automatically excited when it moves to the bottom of the excitation part, thereby ensuring that the tip of the hammer block is in contact with the mine wall and impacting the mine wall, effectively improving the crushing effect of the mine wall. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0015] Figure 1 is a structural schematic view of an ore sampling device for mining according to the present application.

[0016] Figure 2 is a structural schematic view of an ore sampling device for mining according to the present application.

[0017] Figure 3 is a structural schematic view of an engraving assembly and a feeding assembly in an ore sampling device for mining according to the present application.

[0018] Figure 4 is a state schematic view of the ore sampling device for mining according to the present application when the cutting saw is replaced.

[0019] Figure 5 is a structural schematic view of the feeding assembly in the ore sampling device for mining according to the present application.

[0020] Figure 6 is a right side view of the engraving assembly in the ore sampling device for mining according to the present application.

[0021] Figure 7 is a front side view of the engraving assembly in the ore sampling device for mining according to the present application.

[0022] Figure 8 is a structural schematic diagram of a hammering unit in a mineral sampling device for mining according to the present application.

[0023] Figure 9 is a structural schematic diagram of a variable speed unit in a mineral sampling device for mining according to the present application.

[0024] Figure 10 is a structural schematic diagram of an air passage two in a mineral sampling device for mining according to the present application.

[0025] Figure 11 is a structural schematic diagram of a hammering block in a mineral sampling device for mining according to the present application.

[0026] Figure 12 is a structural schematic diagram of a slide sleeve and a hammering block in a mineral sampling device for mining according to the present application.

[0027] Reference signs are indicated as: 1, a machine shell; 2, a master control assembly; 3, a carving assembly; 31, a cutting saw; 32, a roller; 33, a hammering unit; 331, a hammering block; 332, a hammering piece; 3321, a slide sleeve; 3322, a hammering block; 3323, a pressing block; 34, an excitation shaft; 4, a feeding assembly; 41, a screw rod; 42, a sliding block; 43, a sliding table; 44, a connecting unit; 441, a connecting sleeve; 442, a connecting rod; 443, a limiting table; 444, a supporting spring; 5, a working groove; 6, a sealing disc; 7, a variable speed unit; 8, a rotating shaft; 9, a mounting groove; 10, a resisting block; 11, an air hole; 12, a solenoid valve; 13, a pointed end; 14, a groove; 15, a step; 16, a compression spring one; 17, a compression spring two; 18, a pressing plate; 19, an air passage one; 20, a one-way valve one; 21, a round hole; 22, a one-way valve two; 23, an excitation part; 24, an air passage two; 25, a linear driver; 26, a supporting plate; 27, a driving motor; 28, a connecting plug; 29, a plug groove. DETAILED DESCRIPTION

[0028] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0029] In addition, the terms "first", "second", "third", etc. are used only for descriptive purposes and are not to be construed as indicating or implying relative importance or an ordered ranking of the indicated technical features. Thus, features defined with "first", "second" or "third" can include, explicitly or implicitly, one or more of such features. In the description of the present application, the meaning of "a plurality of" is two or more, unless explicitly specified and limited otherwise.

[0030] In the present application, unless explicitly specified and limited otherwise, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0031] The preferred embodiments of the present application are described below in conjunction with the accompanying drawings, it should be understood that the preferred embodiments described herein are only used to illustrate and explain the present application, and are not used to limit the present application.

[0032] For reference Figure 1 Figure 12 As shown in the drawings, according to the embodiment of the present application, a kind of ore sampling equipment for mining is provided, comprising: Machine shell 1, bottom is provided with working groove 5 for mining; General control assembly 2, it is arranged at the top of working groove 5, for carving operation; Carving assembly 3, it is arranged in working groove 5, for carving mine wall, carving assembly 3 includes cutting saw 31, drum 32, hammering unit 33 and excitation shaft 34, the outer peripheral wall of drum 32 annular array is provided with a plurality of hammering unit 33 for impacting mine wall, the middle part of drum 32 is provided with excitation shaft 34 for exciting hammering unit 33, the both ends of excitation shaft 34 are fixedly connected with sealing disc 6, two sealing discs 6 are rotatably connected on the both sides of drum 32 respectively, so that a closed space is formed in drum 32, the middle part of excitation shaft 34 is rotatably connected with rotating shaft 8, rotating shaft 8 is connected with drum 32 through speed changing unit 7, the both ends of rotating shaft 8 extend out of drum 32 and are fixedly connected with cutting saw 31; Feeding assembly 4, it is arranged at the top of working groove 5, for driving carving assembly 3 to feed.

[0033] In the embodiment, since it needs to carve continuous groove on the tunnel wall, in the process of carving, the powder will splash when carving the groove of brittle mineral (such as coal, graphite), the loss of fine particle size will lead to overestimation of grade, which will affect the accuracy of ore sampling.

[0034] Therefore, it is observed Figure 1 ​And Figure 2 It can be found that by setting the organic shell 1, the bottom of the shell 1 is provided with a working groove 5, the working groove 5 is connected with the engraving assembly 3 through the feeding assembly 4, and the top of the working groove 5 is connected with the general control assembly 2 for controlling the operation of the feeding assembly 4 and the engraving assembly 3. It can be used to control the feeding assembly 4 to drive the engraving assembly 3 to move, and to engrave a continuous groove to collect the ore sample. At this time, the chippings engraved will fall into the working groove 5, which can avoid the powder splashing when the brittle mineral (such as coal, graphite) is engraved, and the loss of fine particles will cause the grade to be overestimated, thereby effectively improving the precision of ore sampling.

[0035] Because the cross-section fracture of the groove wall cannot be controlled during conventional engraving sampling, the groove wall will be uneven, thereby causing the actual cross-sectional area to be larger than the design value, which affects the precision of ore sampling. Therefore, it is observed Figure 6 It can be found that the engraving assembly 3 includes a cutting saw 31, and a driving motor 27 is arranged in the working groove 5 for driving the cutting saw 31 to rotate. When a continuous groove needs to be engraved, the driving motor 27 is started, and then the driving motor 27 drives the rotating shaft 8 to rotate, so that the cutting saw 31 fixedly connected at both ends of the rotating shaft 8 rotates to open a continuous groove on the ore wall. At this time, when the hammering unit 33 strikes the ore wall, the ore fracture length will be disturbed by the cutting groove, thereby avoiding uneven groove wall, ensuring that the theoretical volume of ore sampling is equal to the actual volume, and improving the precision of ore sampling.

[0036] The engraving sampling is usually performed after the cutting groove, so in Figure 6 and Figure 7 it can be seen that the engraving assembly 3 further integrates a drum 32, a hammering unit 33 and an excitation shaft 34. The outer peripheral wall of the drum 32 is annularly arranged with a plurality of hammering units 33 for impacting the ore wall, and the middle part of the drum 32 is provided with an excitation shaft 34 for exciting the hammering unit 33. When the drum 32 rotates, the hammering unit 33 passes through the excitation shaft 34, and then the excitation shaft 34 excites the hammering unit 33 to impact the ore wall. The ore is crushed and collected in the working groove 5, thereby improving the sampling efficiency of the ore.

[0037] Because the ore is broken, it is inevitable that chippings will be produced, which will enter the gap of the hammering unit 33 in the drum 32 and interfere with the operation of the hammering unit 33. Therefore, in Figure 6 it can be seen that the two ends of the excitation shaft 34 are fixedly connected with sealing discs 6, and the two sealing discs 6 are rotatably connected on both sides of the drum 32, so that a closed space is formed in the drum 32, which can be used to protect the hammering unit 33 and avoid the chippings entering the drum 32 to affect the service life of the hammering unit 33.

[0038] Since the hammering unit 33 is provided with multiple, only the hammering unit 33 in contact with the mine wall can effectively break the mine wall each time, so the starting time of the hammering unit 33 is very important, so as to Figure 7 It can be found that the hammering unit 33 comprises a hammering block 331 and an impact piece 332, the hammering block 331 is fixedly connected to the inner wall of the drum 32, the hammering block 331 is protruded near one side of the drum 32 to form a sharp end 13 extending out of the drum 32, the impact piece 332 is connected to the side of the hammering block 331 close to the excitation shaft 34, the bottom of the excitation shaft 34 is protruded to form an excitation portion 23 for contacting the impact piece 332, at this time, when the drum 32 rotates to make the hammering unit 33 contact the mine wall, the hammering unit 33 will be close to the excitation portion 23, at this time, the impact piece 332 will contact the excitation portion 23, and the impact piece 332 will impact the hammering block 331, so that the sharp end 13 of the hammering block 331 exerts a relatively concentrated impact force on the mine wall, which can effectively improve the breaking effect of the mine wall, thereby improving the sampling efficiency of the ore.

[0039] In order to make the impact piece 332 impact the hammering block 331 stably, it is necessary to ensure that the impact piece 332 is automatically reset after impacting the hammering block 331, so as to Figure 11 It can be seen that the side of the hammering block 331 close to the excitation shaft 34 is provided with a groove 14, the side wall of the groove 14 is recessed near the opening to form a step 15 for supporting the impact piece 332, and then combined with Figure 8 It can be found that the impact piece 332 comprises a sliding sleeve 3321, an impact block 3322 and a pressing block 3323, the sliding sleeve 3321 is slidingly connected to the outside of the hammering block 331, the sliding sleeve 3321 and the hammering block 331 are connected with a compression spring 16, the impact block 3322 is rotatably connected in the sliding sleeve 3321, the side of the impact block 3322 away from the sliding sleeve 3321 contacts the step 15, the side of the sliding sleeve 3321 close to the excitation shaft 34 is connected with a pressing block 3323 in contact with the excitation shaft 34 through a compression spring 17, the stiffness coefficient of the compression spring 17 is greater than that of the compression spring 16, the side wall of the pressing block 3323 is fixedly connected with a pressing plate 18 for driving the impact block 3322 on both sides of the impact block 3322, and the side of the pressing plate 18 away from the pressing block 3323 extends into the sliding sleeve 3321.

[0040] At this time, when the pressing block 3323 contacts the excitation portion 23, with the continuous rotation of the drum 32, the pressing of the pressing block 3323 will increase, so that the distance between the pressing block 3323 and the sliding sleeve 3321 becomes smaller, so that the compression spring 17 is compressed and stored, until the pressing plate 18 of the pressing block 3323 contacts the impact block 3322, with the continuous approach of the pressing block 3323, the force of the pressing plate 18 contacting the impact block 3322 increases, and in Figure 8The step 15 is a slope, which guides the contact position of the impact block 3322 to move downward until the end of the impact block 3322 is separated from the step 15. Then, the impact block 3322 is pushed down by the compression spring 17, so that the impact block 3322 impacts the hammer block 331, the tip 13 is crushed and inserted into the mine wall. Then, the lateral force is applied to the mine wall by the rotation of the roller 32 to pry the ore, so as to obtain the ore sample and ensure the stability of the mining.

[0041] With the continuous rolling of the roller 32, the pressing block 3323 is away from the trigger part 23. At this time, the compression spring 17 is rebounded to push the pressing block 3323 to reset, and the sliding sleeve 3321 is also reset under the pushing of the compression spring 16. At this time, the impact block 3322 is reset and is inclined under the influence of gravity in the state of not being pressed. When the pressing block 3323 is close to the trigger part 23 again, the impact block 3322 is in contact with the side wall of the groove 14 as shown in the state, and then the pressing block 3323 is in contact with the trigger part 23 to move the sliding sleeve 3321, so that the impact block 3322 is in contact with the step 15 again, which can ensure the stable operation of the hammering unit 33. Figure 8

[0042] Finally, since the cutting saw 31 and the hammering unit 33 are two different working processes, independent control of the synchronous operation of the two processes increases the difficulty of using the ore sampling device. Therefore, in the Figure 6 The middle part of the trigger shaft 34 is rotatably connected with the rotating shaft 8, the rotating shaft 8 is connected with the roller 32 through the speed changing unit 7, the two ends of the rotating shaft 8 extend out of the roller 32 and are fixedly connected with the cutting saw 31. Then, looking at Figure 9 It can be found that the speed changing unit is composed of transmission gears A, B, C, D and a planetary gear set. The outer gear ring of the planetary gear set is fixedly connected with the inner wall of the roller 32, and the sun gear is rotatably connected with the trigger shaft 34. The sun gear is fixedly connected with the gear A on the side close to the sealing disc 6. The top of the gear A is engaged with the gear B. The gear C is fixedly connected with the end of the rotating shaft 8 extending out of the roller 32. The gear C is engaged with the gear D. The gear B and the gear D are connected through a connecting shaft, and a rotating sealing ring is arranged at the connecting position. At this time, the rotating shaft 8 can rotate the roller 32 through the speed changing unit 7. After the speed is reduced through the transmission gears A, B, C, D and the planetary gear set, the rotation speed of the roller 32 is much lower than that of the cutting saw 31, which can reduce the load of the driving motor 27, ensure the sealing performance in the roller 32, and simultaneously cut the groove and sample on the mine wall.

[0043] ​Wherein, the total control assembly 2 is integrated with the feeding control module, the cutting control module, the data management module and other controllers, and is embedded with a storage battery for providing power supply to ensure the normal operation of the ore sampling equipment. The control module is integrated with the servo motor / stepper motor driver, carries the displacement sensor (such as the grating ruler / encoder) for real-time feedback of the position, the cutting control module is integrated with the frequency converter for adjusting the rotating speed of the driving motor 27, the pressure sensor for monitoring the cutting load and the overload protection circuit, which are all the existing mature electronic equipment control technologies, and no further description is given.

[0044] In further preferable embodiments of the present application, as shown in Figure 2 and Figure 3 The feeding assembly 4 comprises the screw rods 41, the sliding blocks 42, the sliding tables 43 and the connecting units 44, the two screw rods 41 are arranged at the top of the two sides of the working groove 5, the sliding tables 43 are arranged on the screw rods 41, the sliding blocks 42 are connected with the screw rods 41 in a threaded manner in the sliding tables 43, the bottom of the sliding table 43 is connected with the sealing disc 6 through the connecting unit 44, at this time, the screw rods 41 can be driven to rotate by the servo motor, so that the sliding blocks 42 move along the length direction of the screw rods 41, at this time, the sliding tables 43 move synchronously, so that the rolling cylinder 32 moves forward through the connecting unit, for efficient ore sampling.

[0045] Since the rolling cylinder 32 needs to move forward, the driving motor 27 for driving the cutting saw 31 to operate also needs to move synchronously, therefore, as shown in Figure 3 , the side wall of one of the sliding tables 43 is fixedly connected with the linear driver 25, the output shaft of the linear driver 25 is fixedly connected with the support plate 26, and the bottom of the support plate 26 is fixedly connected with the driving motor 27, at this time, the driving motor 27 for driving the cutting saw 31 will move synchronously, which can ensure the stability of ore sampling.

[0046] Since the cutting saw 31 will be worn when cutting the ore wall, and the cutting efficiency of the cutting saw 31 will be reduced after a long time, the cutting saw 31 needs to be replaced, therefore, in order to avoid the influence of the driving motor 27 on the replacement of the cutting saw 31, the output shaft of the driving motor 27 is fixedly connected with the connecting plug 28, and the end of the rotating shaft 8 is provided with the insertion groove 29 for inserting the connecting plug 28, at this time, when the cutting saw 31 needs to be replaced, the support plate 26 can be pushed away from the rolling cylinder 32 by the elongation of the output shaft of the linear driver 25, at this time, the driving motor 27 fixedly connected with the support plate 26 will also move away from the rolling cylinder 32, so that the connecting plug 28 is separated from the insertion groove 29, at this time, the cutting saw 31 can be normally replaced, which ensures the long-term stable use of the ore sampling equipment. Figure 4

[0047] ​Since ore crushing inevitably produces debris, a protective sleeve is fitted on the outside of the screw 41 to protect its operational stability and thus ensure the feeding stability of the chisel assembly 3. This is a common method of protecting screws and will not be elaborated further.

[0048] In a further preferred embodiment of the present invention, since the cutting saw 31 needs to cut into the ore wall and the hammering unit 33 on the outer wall of the roller 32 needs to hammer the ore wall, the chisel assembly 3 will come into contact with the ore wall before the housing 1 comes into contact with the ore wall, which will cause the housing 1 to be unable to fit with the ore wall. At this time, the gap between the housing 1 and the ore wall will cause some of the mined debris to leak out, affecting the ore sampling accuracy.

[0049] Therefore, observe Figure 5 It can be seen that the connecting unit 44 includes a connecting sleeve 441, a connecting rod 442, a limiting platform 443, and a support spring 444. The connecting sleeve 441 is fixedly connected to the bottom of the slide table 43. The connecting rod 442 is slidably connected to the bottom of the connecting sleeve 441. The bottom of the connecting rod 442 is fixedly connected to the sealing plate 6. The limiting platform 443 is fixedly connected to the outer wall of the connecting rod 442. The support spring 444 is fixedly connected between the limiting platform 443 and the connecting sleeve 441. When the machine housing 1 contacts the mine wall, the cutting saw 31 will be squeezed, thereby causing the sealing plate 6 to squeeze the connecting rod 442 and press the connecting rod 442 into the connecting sleeve 441 to ensure that the machine housing 1 can fit against the mine wall and prevent the leakage of ore fragments.

[0050] Because of the support spring 444, the limiting platform 443 is always supported, which causes the connecting rod 442 to push the sealing plate 6 closer to the ore wall, so that the cutting saw 31 always keeps in contact with the ore wall. At this time, the drive motor 27 runs, and the cutting saw 31 will gradually cut into the ore wall. Then the hammering unit 33 on the drum 32 will come into contact with the ore wall, which can ensure the stability of ore sampling.

[0051] In a further preferred embodiment of the present invention, in order to ensure the effectiveness of ore sampling, the feeding component 4 needs to operate after the cutting saw 31 cuts into the ore wall and the hammering unit 33 comes into contact with the ore wall, so as to ensure sample accuracy. Therefore, observation... Figure 5 It can be seen that the bottom of the slide table 43 has a mounting groove 9, and a stop block 10 for abutting the slider 42 is slidably connected in the mounting groove 9. The bottom of the mounting groove 9 is connected to the connecting sleeve 441 through the air hole 11. Then look at Figure 11 It can be observed that the side wall of the tip 13 has an air passage 19 communicating with the groove 14, and a one-way valve 20 is connected to the opening of the air passage 19. Looking further... Figure 12 It can be seen that the sliding sleeve 3321 has a circular hole 21 communicating with the groove 14, and a one-way valve 22 is fixedly connected inside the circular hole 21. Finally, it is combined with... Figure 10It can be seen that the top of the excitation shaft 34 is provided with an air passage 24, which passes through the sealing disc 6 and extends into the connecting sleeve 441, so that the closed space in the roller 32 is communicated with the closed space in the connecting sleeve 441.

[0052] At this time, when the roller 32 rotates, the excitation part 23 will abut against the slide sleeve 3321 to move downward, so that the space between the slide sleeve 3321 and the hammer block 331 is reduced, air enters the roller 32 through the one-way valve 22, and then enters the connecting sleeve 441 through the air passage 24 at the top of the excitation shaft 34; after the slide sleeve 3321 resets, the space between the slide sleeve 3321 and the hammer block 331 is increased to generate negative pressure, at this time air is sucked into the air passage 19 through the one-way valve 20, and finally is supplemented into the groove 14, which can continuously pump air into the closed space in turn, so that the air pressure between the connecting sleeve 441 and the connecting rod 442 is increased.

[0053] When the cutting saw 31 cuts into the mine wall until the tip 13 abuts against the mine wall, the gradually increasing air pressure will push the abutting block 10 to move upward, so that the abutting block 10 abuts against the sliding block 42, thereby temporarily fixing the sliding block 42 and the sliding table 43, to avoid the sliding block 42 from rotating with the screw rod 41, and the screw rod 41 continues to rotate to slowly push the sliding table 43 to move forward, so that the cutting saw 31 cuts a continuous boundary groove on the mine wall, and the hammering unit 33 continuously breaks the mine wall to ensure the stability of the ore sampling.

[0054] When the ore sampling is completed, in order to ensure the subsequent stable use of the feeding assembly 4 and the carving assembly 3, the electromagnetic valve 12 for pressure relief is connected to the side wall of the sliding table 43, therefore, when the ore sampling is completed, the electromagnetic valve 12 can be opened by the total control assembly 2 to discharge the air in the closed space, so that the feeding assembly 4 and the carving assembly 3 can return to the initial state, to facilitate the subsequent operation process to be stable.

[0055] The implementation principle of the above embodiment is that the machine shell 1 is attached to the mine wall by the handle, and then the driving motor 27 drives the cutting saw 31 to operate, when the cutting saw 31 cuts into the mine wall, the roller 32 rotates under the transmission of the variable speed unit 7, so that the hammering unit 33 continuously impacts the mine wall, which can be used to obtain ore debris.

[0056] After the hammering unit 33 abuts against the mine wall, the feeding assembly 4 drives the sliding table 43 to move, thereby driving the cutting saw 31 to move forward, so that the cutting saw 31 cuts a boundary groove on the surface of the mine wall, at this time the continuous operation of the hammering unit 33 can break the ore in the boundary, and finally the broken ore falls into the working groove 5, thereby improving the sampling efficiency and accuracy of the ore.

[0057] Those skilled in the art can easily understand that the above-mentioned advantageous modes can be freely combined and superimposed without conflict.

[0058] The above merely describes the preferred embodiments of the present application, and is not intended to limit the present application. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application. The above merely describes the preferred embodiments of the present application, and is not intended to limit the present application. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An ore sampling device for use in mining, characterised in that, Include: The shell (1) is provided with a working groove (5) for mining at the bottom; The total control assembly (2) is arranged at the top of the working groove (5) for carving operation; The carving assembly (3) is arranged in the working groove (5) for carving the mine wall, the carving assembly (3) comprises a cutting saw (31), a roller (32), a hammering unit (33) and an excitation shaft (34), the outer peripheral wall of the roller (32) is annularly arranged with a plurality of hammering units (33) for impacting the mine wall, the middle part of the roller (32) is provided with an excitation shaft (34) for exciting the hammering unit (33), both ends of the excitation shaft (34) are fixedly connected with sealing discs (6), the two sealing discs (6) are rotatably connected on both sides of the roller (32), respectively, so that a closed space is formed in the roller (32), the middle part of the excitation shaft (34) is rotatably connected with a rotating shaft (8), the rotating shaft (8) is connected with the roller (32) through a speed changing unit (7), both ends of the rotating shaft (8) extend out of the roller (32) and are fixedly connected with the cutting saw (31); The feeding assembly (4) is arranged at the top of the working groove (5) for driving the carving assembly (3) to feed.

2. An ore sampling device for use in mining as claimed in claim 1, characterised in that, The feeding assembly (4) comprises two screw rods (41), a sliding block (42), a sliding table (43) and a connecting unit (44), the two screw rods (41) are connected on both sides of the top of the working groove (5), respectively, the sliding table (43) is slidably arranged on the screw rod (41), the sliding block (42) is connected in the sliding table (43) and is threadedly connected with the screw rod (41), the bottom of the sliding table (43) is connected with the sealing disc (6) through the connecting unit (44).

3. An ore sampling device for use in mining as claimed in claim 2, characterised in that, The connecting unit (44) comprises a connecting sleeve (441), a connecting rod (442), a limiting table (443) and a supporting spring (444), the connecting sleeve (441) is fixedly connected at the bottom of the sliding table (43), the connecting rod (442) is slidably connected at the bottom of the connecting sleeve (441), the bottom of the connecting rod (442) is fixedly connected with the sealing disc (6), the limiting table (443) is fixedly connected with the outer wall of the connecting rod (442), and the supporting spring (444) is fixedly connected between the limiting table (443) and the connecting sleeve (441).

4. An ore sampling device for use in mining as claimed in claim 3, characterised in that, The bottom of the sliding table (43) is provided with a mounting groove (9), the mounting groove (9) is slidably connected with a resisting block (10) for resisting the sliding block (42), the bottom of the mounting groove (9) is communicated with the connecting sleeve (441) through the air hole (11), and the side wall of the sliding table (43) is connected with the electromagnetic valve (12) for pressure relief.

5. An ore sampling device for use in mining as claimed in claim 4, characterised in that, The hammering unit (33) comprises a hammering block (331) and an impact piece (332), the hammering block (331) is fixedly connected to the inner wall of the roller (32), the hammering block (331) is protruded to form a sharp end (13) extending out of the roller (32) on the side close to the roller (32), the impact piece (332) is connected to the hammering block (331) on the side close to the excitation shaft (34), the hammering block (331) is provided with a groove (14) on the side close to the excitation shaft (34), and the side wall of the groove (14) is recessed on the side close to the opening to form a step (15) for supporting the impact piece (332).

6. An ore sampling device for use in mining as claimed in claim 5 wherein, The impact piece (332) comprises a sliding sleeve (3321), an impact block (3322) and a pressing block (3323), the sliding sleeve (3321) is slidingly connected to the outer side of the hammering block (331), the compression spring one (16) is connected between the sliding sleeve (3321) and the hammering block (331), the impact block (3322) is rotatably connected in the sliding sleeve (3321), the side away from the sliding sleeve (3321) of the impact block (3322) abuts against the step (15), the pressing block (3323) in contact with the excitation shaft (34) is connected to the side close to the excitation shaft (34) of the sliding sleeve (3321) through the compression spring two (17), the stiffness coefficient of the compression spring two (17) is greater than that of the compression spring one (16), the side wall of the pressing block (3323) is fixedly connected with the pressing plates (18) on both sides of the impact block (3322) for driving the impact block (3322), and the side away from the pressing block (3323) of the pressing plate (18) extends into the sliding sleeve (3321).

7. An ore sampling device for use in mining as claimed in claim 6 wherein, The side wall of the sharp end (13) is provided with an air passage one (19) in communication with the groove (14), the opening position of the air passage one (19) is connected with a one-way valve one (20), the sliding sleeve (3321) is provided with a circular hole (21) in communication with the groove (14), and the one-way valve two (22) is fixedly connected in the circular hole (21).

8. An ore sampling device for use in mining as claimed in claim 7, characterised in that, The bottom of the excitation shaft (34) is protruded to form an excitation part (23) for abutting against the pressing block (3323), the top of the excitation shaft (34) is provided with an air passage two (24), the air passage two (24) penetrates through the sealing disc (6) and extends into the connecting sleeve (441), so that the closed space in the roller (32) is in communication with the closed space in the connecting sleeve (441).

9. An ore sampling device for use in mining as claimed in claim 8, characterised in that, The side wall of one of the sliding tables (43) is fixedly connected with a linear driver (25), the output shaft of the linear driver (25) is fixedly connected with a supporting plate (26), the bottom of the supporting plate (26) is fixedly connected with a driving motor (27), the output shaft of the driving motor (27) is fixedly connected with a connecting plug block (28), and the end of the rotating shaft (8) is provided with a plug slot (29) for inserting the connecting plug block (28).

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