Blockage compactness measuring device with blast hole simulation function and measuring method thereof

Abstract

The invention discloses a blocking compactness measuring device with a blast hole simulation function and a measuring method thereof, and the device comprises a supporting assembly which is used for supporting a circumferential transposition assembly and a linear driving assembly. The circumference transposition assembly is used for transversely and circumferentially adjusting the position of the bottom supporting assembly so that the bottom supporting assembly can be located under the linear driving assembly, and the bottom supporting assembly is used for bearing and being connected with the air pressure measuring assembly. According to the invention, a function of simulating a blast hole with a corresponding size by selecting the bottom bracing assembly, the air pressure measurement assembly and the pressing assembly with a corresponding size according to needs is realized, a function of rapidly assembling the air pressure measurement assembly is also realized, and a function of simulating an internal environment of the blast hole is also realized; the function of automatically and rapidly measuring the relation between the blocking compactness and the pressure of the blast hole in a quantitative mode is achieved, the accuracy of the measuring result is guaranteed, a scientific basis is provided for follow-up refined bench blasting, and the method is suitable for being widely popularized and used.

Description

Technical Field

[0001] The invention relates to the technical field of open-pit mine step blasting, and in particular to a blocking density measuring device with a blasthole simulation function and a measuring method thereof. Background Art

[0002] In open-pit mine step blasting operations, the role of filling is to enhance the blasting effect by improving the utilization rate of blasting energy. Since filling improves the utilization rate of blasting energy, the amount of explosives used can be appropriately reduced to reduce blasting costs while achieving the same blasting effect; the quality of filling directly affects the blasting efficiency and safety, especially the density of the filling material, which determines the sealing effect of the blasting gas.

[0003] At present, the evaluation of filling quality before blasting mostly relies on visual inspection and experience judgment, which leads to the situation that the filling quality evaluation results are highly subjective and lack quantitative standards. This makes the filling quality before blasting lack accurate measurement, so that more explosives are needed to achieve the same blasting effect, which not only increases the amount of explosives used, but also seriously affects the blasting efficiency and blasting safety. Therefore, it is necessary to design a plugging density measuring device and a measuring method with the function of simulating blastholes. Summary of the invention

[0004] The main purpose of the present invention is to solve the problem that the current evaluation of filling quality before blasting mostly relies on visual inspection and experience judgment, resulting in the situation that the filling quality evaluation results are highly subjective and lack quantitative standards, which makes the filling quality before blasting lack accurate measurement, so that the same explosion effect requires the use of more explosives, which not only increases the use of explosives, but also seriously affects the blasting efficiency and blasting safety. The present invention provides a blockage density measurement device with a blasthole simulation function and a measurement method thereof, which realizes the function of selecting a bottom support component, an air pressure measurement component and a downward pressure component of corresponding sizes as needed to simulate blastholes of corresponding sizes, and also realizes the function of rapid assembly of the air pressure measurement component, and also has the function of simulating the internal environment of the blasthole, and also realizes the function of automatic and rapid quantitative measurement of the relationship between the blasthole blockage density and pressure, which ensures the accuracy of the measurement results and provides a scientific basis for subsequent refined step blasting.

[0005] To achieve the above object, the technical solution adopted by the present invention is: A blockage density measuring device with a blasthole simulation function comprises a support assembly, wherein the support assembly is used to support a circumferential displacement assembly and a linear drive assembly, wherein the circumferential displacement assembly is used to laterally and circumferentially adjust the position of a bottom support assembly so that the bottom support assembly is located directly below the linear drive assembly, wherein the bottom support assembly is used to carry and connect an air pressure measuring assembly, wherein the air pressure measuring assembly is used to simulate a corresponding blasthole environment to measure a pressure value after the blasthole is blocked so as to obtain blasthole blockage density data; wherein the linear drive assembly is used to linearly drive a downward pressure assembly to perform longitudinal linear movement so that the downward pressure assembly applies pressure to the inside of the air pressure measuring assembly.

[0006] The aforementioned blockage density measuring device with a blasthole simulation function, the support assembly includes a support plate, the outer wall of the bottom surface of the support plate is provided with a support column, the outer wall of the support plate is provided with a groove, and the inner wall of the top surface of the groove is provided with a limiting hole.

[0007] The aforementioned blockage density measuring device with a blasthole simulation function, the circumferential displacement assembly includes a servo motor, the servo motor is detachably connected to the inner wall of the groove bottom surface, the output shaft of the servo motor is connected to one end of the rotating shaft, and the other end of the rotating shaft is detachably connected to a rotating plate.

[0008] The aforementioned plugging density measuring device with a blasthole simulation function, the bottom support assembly includes a bottom plate, the bottom plate is detachably connected to the upper surface of the rotating plate, wherein the upper surface of the bottom plate is provided with a first threaded groove.

[0009] The aforementioned blockage density measuring device with the function of simulating a blast hole, the linear drive assembly includes an electric hydraulic cylinder, the electric hydraulic cylinder is detachably connected to the inner wall of the top surface of the groove, the inner wall of the electric hydraulic cylinder is slidably connected to one end of a hydraulic telescopic rod, and the other end of the hydraulic telescopic rod is detachably connected to a pressure plate; the upper surface of the pressure plate is detachably connected to a limiting rod, and the outer side wall of the limiting rod is slidably connected to the inner side wall of the limiting hole.

[0010] The aforementioned plugging density measuring device with a blasthole simulation function, the pressing assembly includes a connecting plate, the connecting plate is detachably connected to the outer wall of the bottom surface of the pressing plate, wherein the outer wall of the bottom surface of the connecting plate is provided with a solid column.

[0011] The aforementioned plugging density measuring device with a blasthole simulation function, the air pressure measuring assembly comprises a first cylinder, a sandwich cylinder, a second cylinder and a third cylinder, the inner side wall of the first cylinder is provided with a second thread groove, and the inner side wall of the second thread groove is threadedly connected with the inner side wall of the first thread groove, wherein the inner side wall of the first cylinder is provided with a support ring, the outer side wall of the first cylinder is provided with a side groove, and the inner side wall of the side groove is provided with a first thread line; The inner wall of the sandwich cylinder is provided with a blasthole inner wall simulation groove, the outer wall of the sandwich cylinder is wedged with the inner wall of the first cylinder, wherein the sandwich cylinder can be limited by the support ring on the inner wall of the first cylinder; The inner wall of the second cylinder is provided with a clamping groove, and the inner wall of the clamping groove is provided with a third thread groove, and the inner wall of the third thread groove is threadedly connected with the outer wall of the first thread line, wherein the inner wall of the clamping groove and the outer wall of the sandwich cylinder are wedged with each other, the inner wall of the second cylinder is provided with a first limiting groove, the inner wall of the first limiting groove is provided with a fourth thread groove, and the inner wall of the bottom surface of the first limiting groove is provided with a clamping groove, wherein the inner wall of the clamping groove is provided with an insertion rod, the outer wall of the insertion rod and the inner wall of the jack are wedged with each other, and the jack is provided on the upper surface of the clamping block, wherein the outer wall of the clamping block and the inner wall of the clamping groove are wedged with each other, the number of the clamping blocks is two, and a connecting shaft is provided on the outer wall of one side of the two clamping blocks close to each other, wherein the connecting shafts are connected by a cloth belt, and a pressure sensor is provided on the upper surface of the cloth belt; The outer side wall of the third cylinder is provided with a second limiting groove, and the inner side wall of the second limiting groove is provided with a second thread line, wherein the second thread line is threadedly connected with the inner side wall of the fourth thread groove.

[0012] In the aforementioned blocking density measuring device with the function of simulating a blasthole, the outer wall of the solid column and the inner wall of the third cylinder are wedged with each other.

[0013] The aforementioned blocking density measuring device with the function of simulating a blasthole, the number of the bottom support components is two, and the two bottom support components are symmetrically distributed on the upper surface of the rotating plate.

[0014] A measuring method of a plugging density measuring device with a blasthole simulation function, comprising the following steps: Step 1: Select and connect the bottom support assembly and the down-pressing assembly as needed; select the bottom support assembly and the air pressure measuring assembly of corresponding size according to the size of the simulated blasthole, and make a detachable connection between the bottom plate and the rotating plate; then select the down-pressing assembly of corresponding size according to the size of the bottom support assembly, and make a detachable connection between the connecting plate and the pressing plate; Step 2: Assemble the air pressure measurement assembly. The specific steps are as follows: S1, move the first cylinder and align the first thread groove with the second thread groove, then rotate the first cylinder and detachably connect the first cylinder and the bottom plate under the action of the threaded connection between the first thread groove and the second thread groove; S2, according to the roughness of the inner wall of the simulated blasthole, a sandwich cylinder with a simulation groove of the inner wall of the blasthole with a corresponding roughness is selected, and then the sandwich cylinder is moved and the outer wall of the sandwich cylinder is wedged with the inner wall of the first cylinder so that the outer wall of the bottom surface of the sandwich cylinder can be fitted with the upper surface of the support plate, and then the sandwich cylinder is placed inside the first cylinder; S3, move the second cylinder and align the clamping groove with the side groove, then rotate the second cylinder and detachably connect the second cylinder with the first cylinder under the action of the threaded connection between the third thread groove and the first thread line, and at the same time, the sandwich cylinder can be limited to the middle position between the support ring and the clamping groove under the action of the clamping groove; S4, moving the card block and aligning the insertion hole with the insertion rod, and then pressing the card block down along the inner wall of the card slot so that the card block can be connected to the second cylinder under the action of mutual engagement of the insertion rod and the insertion hole, thereby limiting the pressure sensor inside the second cylinder; S5, move the third cylinder and align the second limiting groove with the first limiting groove, then rotate the third cylinder and make a detachable connection between the third cylinder and the second cylinder under the action of the second thread line and the fourth thread groove being threadedly connected, so that the clamping block can be clamped inside the second cylinder; Step three: rotate the cylinder in a circle to fill the filling material into the sandwich cylinder, and then drive the rotating shaft to rotate through the servo motor to drive the rotating plate to rotate, and then drive the bottom support assembly and the air pressure measuring assembly to rotate in a circle to the position directly below the solid column. At the same time, under the action of the two bottom support assemblies arranged on the upper surface of the rotating plate, the plugging density can be measured while the filling material can be taken out and the air pressure measuring assembly can be disassembled and replaced; Step 4: linear movement and downward pressure. The electric hydraulic cylinder drives the hydraulic telescopic rod to slide and retract, thereby driving the pressure plate to move linearly, and then driving the solid column to slide into the third cylinder, so that the filling material can be pressed. At the same time, the pressure sensor can timely measure the pressure data of the filling material and output it for display and record.

[0015] Compared with the prior art, the present invention has the following beneficial effects: 1. First, select the bottom support assembly and the downward pressure assembly as needed and connect them. Then, select the bottom support assembly and the air pressure measuring assembly of the corresponding size according to the size of the simulated blast hole, and make a detachable connection between the bottom plate and the rotating plate. Then, select the downward pressure assembly of the corresponding size according to the size of the bottom support assembly, and make a detachable connection between the connecting plate and the pressure plate. This effectively realizes the function of the device to select the bottom support assembly, the air pressure measuring assembly and the downward pressure assembly of the corresponding size as needed to simulate the blast hole of the corresponding size, and the various components of the device are also convenient to disassemble and assemble. The device has a simple structure and strong applicability.

[0016] 2. First, move the first cylinder and align the first thread groove with the second thread groove, then rotate the first cylinder and make a detachable connection between the first thread groove and the second thread groove, then select a sandwich cylinder containing a simulation groove of the inner wall of the blast hole with a corresponding roughness according to the roughness of the inner wall of the simulated blast hole, then move the sandwich cylinder and wed the outer wall of the sandwich cylinder with the inner wall of the first cylinder so that the outer wall of the bottom surface of the sandwich cylinder can be fitted with the upper surface of the support plate, and then place the sandwich cylinder inside the first cylinder, then move the second cylinder and align the clamping groove with the side groove, then rotate the second cylinder and make a detachable connection between the second cylinder and the first cylinder under the action of the threaded connection between the third thread groove and the first thread line, and at the same time, the sandwich cylinder can be limited under the action of the clamping groove In the middle position of the support ring and the clamping groove, the block is then moved to align the socket with the insertion rod, and then the block is pressed down along the inner wall of the slot so that the block can be connected to the second cylinder under the action of the mutual wedging of the insertion rod and the socket, and then the pressure sensor can be limited inside the second cylinder, and finally the third cylinder is moved and the second limiting groove is aligned with the first limiting groove, and then the third cylinder is rotated and the third cylinder and the second cylinder can be detachably connected under the action of the threaded connection between the second thread line and the fourth thread groove, so that the block can be clamped inside the second cylinder, which effectively realizes the function of rapid assembly of the air pressure measuring component of the device, and the assembled air pressure measuring component has high stability, and also has the function of simulating the internal environment of the blast hole, which makes the subsequent blockage density measurement data more accurate.

[0017] 3. Fill the filling material into the sandwich cylinder, and then drive the rotating shaft to rotate through the servo motor to drive the rotating plate to rotate, and then drive the bottom support assembly and the air pressure measuring assembly to rotate in a circle to the position directly below the solid column. At the same time, under the action of the two bottom support assemblies arranged on the upper surface of the rotating plate, the plugging density can be measured while the filling material is taken out and the air pressure measuring assembly is disassembled and replaced. Then the electric hydraulic cylinder drives the hydraulic telescopic rod to slide telescopically, so as to drive the pressure plate to move linearly, and then drive the solid column to slide into the third cylinder, so that the filling material can be pressed. At the same time, the pressure sensor can timely measure the pressure data of the filling material and output it for display and record, which effectively realizes the function of the device to quickly quantify the relationship between the density and pressure of the blast hole plugging. The entire measurement process is fully automated, which not only ensures the accuracy of the measurement results, but also improves the measurement efficiency. It provides a reference for improving the filling quality during step blasting in the future, and also provides a scientific basis for the subsequent refined step blasting. The device has a simple structure and good measurement effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2It is a schematic diagram of the structure of the support assembly and the circumferential transposition assembly of the present invention; Figure 3 It is a schematic diagram of the structure of the linear drive assembly and the pressing assembly of the present invention; Figure 4 It is a schematic diagram of the structure of the air pressure measurement assembly of the present invention; Figure 5 It is a schematic diagram of the second cylinder structure of the present invention.

[0019] In the figure: 1. Support assembly; 101. Support plate; 102. Support column; 103. Groove; 104. Limit hole; 2. Circumferential displacement assembly; 201. Servo motor; 202. Rotating shaft; 203. Rotating plate; 3. Bottom support assembly; 301. Bottom plate; 302. First thread groove; 4. Linear drive assembly; 401. Electric hydraulic cylinder; 402. Hydraulic telescopic rod; 403. Pressing plate; 404. Limiting rod; 5. Pressing assembly; 501. Connecting plate; 502. Solid column; 6. Air pressure measurement assembly; 601. First cylinder; 602. Support ring ; 603, second thread groove; 604, side groove; 605, first thread line; 606, sandwich cylinder; 607, simulation groove on the inner wall of the borehole; 608, second cylinder; 609, clamping groove; 6010, third thread groove; 6011, clamping block; 6012, jack; 6013, third cylinder; 6014, second limiting groove; 6015, second thread line; 6016, first limiting groove; 6017, clamping groove; 6018, insertion rod; 6019, fourth thread groove; 6020, connecting shaft; 6021, cloth belt; 6022, pressure sensor. DETAILED DESCRIPTION

[0020] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0021] like Figure 1-5As shown, a blockage density measuring device with a blasthole simulation function and a measuring method thereof include a support component 1, wherein the support component 1 is used to support a circumferential displacement component 2 and a linear drive component 4, wherein the circumferential displacement component 2 is used to transversely and circumferentially adjust the position of a bottom support component 3 so that the bottom support component 3 is located directly below the linear drive component 4, wherein the bottom support component 3 is used to carry and connect an air pressure measuring component 6, wherein the air pressure measuring component 6 is used to simulate a corresponding blasthole environment to measure the pressure value after the blasthole is blocked so as to obtain blasthole blockage density data; wherein the linear drive component 4 is used to linearly drive a downward pressure component 5 to perform longitudinal linear movement so that the downward pressure component 5 applies pressure to the inside of the air pressure measuring component 6, wherein the present invention realizes a function of rapid quantitative measurement of the relationship between the blasthole blockage density and the pressure, and the entire measurement process is fully automated, which not only ensures the accuracy of the measurement results, but also improves the measurement efficiency, provides a reference for subsequent improvement of the filling quality during step blasting, and also provides a scientific basis for subsequent refined step blasting, and the device has a simple structure and good measurement effect.

[0022] Specifically, the support assembly 1 includes a support plate 101, a support column 102 is provided on the outer wall of the bottom surface of the support plate 101, a groove 103 is opened on the outer wall of the support plate 101, and a limiting hole 104 is opened on the inner wall of the top surface of the groove 103. The stability of the linear movement of the pressure plate 403 and the solid column 502 is guaranteed by the action of the limiting rod 404 sliding along the limiting hole 104.

[0023] Specifically, the circumferential displacement assembly 2 includes a servo motor 201, which is detachably connected to the inner wall of the bottom surface of the groove 103. The output shaft of the servo motor 201 is connected to one end of the rotating shaft 202, and the other end of the rotating shaft 202 is detachably connected to the rotating plate 203. The servo motor 201 drives the rotating shaft 202 to rotate, thereby driving the rotating plate 203 to rotate, and further driving the bottom support assembly 3 and the air pressure measurement assembly 6 to rotate circumferentially to a position directly below the solid column 502.

[0024] Specifically, the bottom support assembly 3 includes a bottom plate 301, and the bottom plate 301 is detachably connected to the upper surface of the rotating plate 203, wherein a first threaded groove 302 is opened on the upper surface of the bottom plate 301. By selecting a bottom support assembly 3 and an air pressure measurement assembly 6 of corresponding sizes according to the size of the simulated blast hole and detachably connecting the bottom plate 301 and the rotating plate 203, the bottom support assembly 3 and the circumferential transposition assembly 2 can be detachably connected.

[0025] Specifically, the linear drive assembly 4 includes an electric hydraulic cylinder 401, which is detachably connected to the inner wall of the top surface of the groove 103, and the inner wall of the electric hydraulic cylinder 401 is slidably connected to one end of the hydraulic telescopic rod 402, and the other end of the hydraulic telescopic rod 402 is detachably connected to the pressure plate 403; the upper surface of the pressure plate 403 is detachably connected to the limit rod 404, and the outer wall of the limit rod 404 is slidably connected to the inner wall of the limit hole 104. The electric hydraulic cylinder 401 drives the hydraulic telescopic rod 402 to telescope and slide, thereby driving the pressure plate 403 to move linearly, and then driving the solid column 502 to slide into the third cylinder 6013, so that the filling material can be pressed. At the same time, the pressure data of the filling material can be measured in time through the pressure sensor 6022 and output for display and record.

[0026] Specifically, the pressing assembly 5 includes a connecting plate 501, which is detachably connected to the outer wall of the bottom surface of the pressure plate 403, wherein the outer wall of the bottom surface of the connecting plate 501 is provided with a solid column 502. By selecting a pressing assembly 5 of corresponding size according to the size of the bottom support assembly 3 and detachably connecting the connecting plate 501 and the pressure plate 403, the pressing assembly 5 and the linear drive assembly 4 can be detachably connected.

[0027] Specifically, the air pressure measuring assembly 6 includes a first cylinder 601, a sandwich cylinder 606, a second cylinder 608 and a third cylinder 6013, wherein the inner wall of the first cylinder 601 is provided with a second thread groove 603, and the inner wall of the second thread groove 603 is threadedly connected to the inner wall of the first thread groove 302, wherein the inner wall of the first cylinder 601 is provided with a support ring 602, the outer wall of the first cylinder 601 is provided with a side groove 604, and the inner wall of the side groove 604 is provided with a first thread line 605; the inner wall of the sandwich cylinder 606 is provided with a blasthole inner wall simulation groove 607, and the outer wall of the sandwich cylinder 606 is threadedly connected to the inner wall of the first cylinder The inner walls of the cylinder 601 are wedged together, wherein the sandwich cylinder 606 can be limited by the support ring 602 on the inner wall of the first cylinder 601; the inner wall of the second cylinder 608 is provided with a clamping groove 609, and the inner wall of the clamping groove 609 is provided with a third thread groove 6010, and the inner wall of the third thread groove 6010 is threadedly connected with the outer wall of the first thread line 605, wherein the inner wall of the clamping groove 609 and the outer wall of the sandwich cylinder 606 are wedged together, the inner wall of the second cylinder 608 is provided with a first limiting groove 6016, the inner wall of the first limiting groove 6016 is provided with a fourth thread groove 6019, and the first limiting groove 601 A card slot 6017 is provided on the inner wall of the bottom surface, wherein an insertion rod 6018 is provided on the inner wall of the card slot 6017, and the outer wall of the insertion rod 6018 and the inner wall of the insertion hole 6012 are wedged with each other, and the insertion hole 6012 is provided on the upper surface of the card block 6011, wherein the outer wall of the card block 6011 and the inner wall of the card slot 6017 are wedged with each other, the number of the card blocks 6011 is two, and a connecting shaft 6020 is provided on the outer wall of one side of the two card blocks 6011 close to each other, wherein the connecting shafts 6020 are connected by a cloth belt 6021, and a pressure sensor 6022 is provided on the upper surface of the cloth belt 6021; The outer wall of the third cylinder 6013 is provided with a second limiting groove 6014, and the inner wall of the second limiting groove 6014 is provided with a second thread line 6015, wherein the second thread line 6015 is threadedly connected to the inner wall of the fourth thread groove 6019. By moving the third cylinder 6013 and aligning the second limiting groove 6014 with the first limiting groove 6016, and then rotating the third cylinder 6013 and under the action of the threaded connection between the second thread line 6015 and the fourth thread groove 6019, the third cylinder 6013 and the second cylinder 608 can be detachably connected, so that the block 6011 can be clamped inside the second cylinder 608.

[0028] Specifically, the outer wall of the solid column 502 and the inner wall of the third cylinder 6013 are wedged together, and the density measurement operation of the filling material can be performed by wedging the outer wall of the solid column 502 and the inner wall of the third cylinder 6013 together.

[0029] Specifically, there are two bottom support assemblies 3, and the two bottom support assemblies 3 are symmetrically distributed on the upper surface of the rotating plate 203. With the action of the two bottom support assemblies 3 arranged on the upper surface of the rotating plate 203, the plugging density can be measured while the filling material is removed and the air pressure measurement assembly 6 is disassembled and replaced.

[0030] A measuring method of a plugging density measuring device with a blasthole simulation function, comprising the following steps: Step 1: Select the bottom support assembly 3 and the pressing assembly 5 as needed and connect them. Select the bottom support assembly 3 and the air pressure measuring assembly 6 of corresponding size according to the size of the simulated blast hole, and make a detachable connection between the bottom plate 301 and the rotating plate 203. Then select the pressing assembly 5 of corresponding size according to the size of the bottom support assembly 3, and make a detachable connection between the connecting plate 501 and the pressing plate 403. This makes the present invention have the function of selecting the bottom support assembly 3, the air pressure measuring assembly 6 and the pressing assembly 5 of corresponding size as needed to simulate the blast hole of corresponding size, and the disassembly and assembly of each component of the device is also relatively convenient. Step 2: Assemble the air pressure measuring assembly 6. The specific steps are as follows: S1, move the first cylinder 601 and align the first thread groove 302 with the second thread groove 603, then rotate the first cylinder 601 and under the action of the threaded connection between the first thread groove 302 and the second thread groove 603, the first cylinder 601 can be detachably connected to the bottom plate 301, that is, the present invention has the function of detachably connecting the first cylinder 601 and the bottom plate 301; S2. According to the roughness of the inner wall of the simulated blasthole, a sandwich cylinder 606 having a simulation groove 607 of the inner wall of the blasthole with a corresponding roughness is selected, and then the sandwich cylinder 606 is moved and the outer wall of the sandwich cylinder 606 is wedged with the inner wall of the first cylinder 601 so that the outer wall of the bottom surface of the sandwich cylinder 606 can be fitted with the upper surface of the support plate 101, and then the sandwich cylinder 606 is placed inside the first cylinder 601, that is, the present invention has the function of placing the sandwich cylinder 606 inside the first cylinder 601; S3, move the second cylinder 608 and align the clamping groove 609 with the side groove 604, then rotate the second cylinder 608 and make a detachable connection between the second cylinder 608 and the first cylinder 601 under the action of the threaded connection between the third thread groove 6010 and the first thread line 605, and at the same time, the sandwich cylinder 606 can be limited to the middle position between the support ring 602 and the clamping groove 609 under the action of the clamping groove 609, so that the present invention has the function of detachably connecting the second cylinder 608 and the first cylinder 601; S4, move the card block 6011 and align the insertion hole 6012 with the insertion rod 6018, and then press the card block 6011 down along the inner wall of the card slot 6017 so that the card block 6011 and the second cylinder 608 can be connected under the action of mutual engagement between the insertion rod 6018 and the card block 6012, and then the pressure sensor 6022 can be limited inside the second cylinder 608, that is, the present invention has the function of limiting the pressure sensor 6022 inside the second cylinder 608; S5, move the third cylinder 6013 and align the second limiting groove 6014 with the first limiting groove 6016, then rotate the third cylinder 6013 and make a detachable connection between the third cylinder 6013 and the second cylinder 608 under the action of the second thread line 6015 and the fourth thread groove 6019 being threadedly connected, so that the clamping block 6011 can be clamped inside the second cylinder 608, that is, the present invention has the function of making a detachable connection between the third cylinder 6013 and the second cylinder 608; Step three, circular rotation, filling the filling material into the sandwich tube 606, and then the servo motor 201 drives the rotating shaft 202 to rotate, thereby driving the rotating plate 203 to rotate, and then driving the bottom support assembly 3 and the air pressure measuring assembly 6 to rotate in a circular manner to the position directly below the solid column 502. At the same time, under the action of the two bottom support assemblies 3 provided on the upper surface of the rotating plate 203, the plugging density can be measured while the filling material is taken out and the air pressure measuring assembly 6 is disassembled and replaced, that is, the present invention has the function of driving the bottom support assembly 3 and the air pressure measuring assembly 6 to rotate in a circular manner to the position directly below the solid column 502; Step four, linear movement and downward pressure, the electric hydraulic cylinder 401 drives the hydraulic telescopic rod 402 to telescope and slide, thereby driving the pressure plate 403 to move linearly, and then driving the solid column 502 to slide into the third cylinder 6013, so that the filling material can be pressed. At the same time, the pressure sensor 6022 can timely measure the pressure data of the filling material and output it for display and record, so that the present invention has the function of automatic and rapid quantitative measurement of the relationship between the density of blast hole blockage and pressure.

[0031] The electronic components used in the present invention are all universal standard parts or components known to those skilled in the art, and their structures and principles can be known to those skilled in the art through technical manuals or conventional experimental methods.

[0032] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A device for measuring the blockage density with a blasthole simulation function, comprising a support assembly (1), characterized in that: The support assembly (1) is used to support the circumferential displacement assembly (2) and the linear drive assembly (4); the circumferential displacement assembly (2) is used to adjust the position of the bottom support assembly (3) in a transverse circumferential manner so that the bottom support assembly (3) is located directly below the linear drive assembly (4); the bottom support assembly (3) is used to carry and connect an air pressure measurement assembly (6); the air pressure measurement assembly (6) is used to simulate a corresponding blasthole environment to measure a pressure value after the blasthole is blocked, thereby obtaining blasthole blockage density data; The linear drive component (4) is used to linearly drive the pressing component (5) to perform longitudinal linear movement, so that the pressing component (5) applies pressure to the inside of the air pressure measuring component (6).

2. The device for measuring the blockage density with the function of simulating a blasthole according to claim 1, characterized in that: The support assembly (1) comprises a support plate (101), the outer wall of the bottom surface of the support plate (101) is provided with a support column (102), the outer wall of the support plate (101) is provided with a groove (103), and the inner wall of the top surface of the groove (103) is provided with a limiting hole (104).

3. The device for measuring the blockage density with the function of simulating a blasthole according to claim 2, characterized in that: The circumferential transposition assembly (2) comprises a servo motor (201), the servo motor (201) being detachably connected to the inner wall of the bottom surface of the groove (103), the output shaft of the servo motor (201) being connected to one end of a rotating shaft (202), and the other end of the rotating shaft (202) being detachably connected to a rotating plate (203).

4. The device for measuring the blockage density with the function of simulating a blasthole according to claim 3, characterized in that: The bottom support assembly (3) comprises a bottom plate (301), wherein the bottom plate (301) is detachably connected to the upper surface of the rotating plate (203), wherein a first thread groove (302) is provided on the upper surface of the bottom plate (301).

5. The device for measuring the blockage density with the function of simulating a blasthole according to claim 2, characterized in that: The linear drive assembly (4) comprises an electric hydraulic cylinder (401), the electric hydraulic cylinder (401) being detachably connected to the inner wall of the top surface of the groove (103), one end of a hydraulic telescopic rod (402) being slidably connected to the inner wall of the electric hydraulic cylinder (401), and the other end of the hydraulic telescopic rod (402) being detachably connected to a pressure plate (403); The upper surface of the pressing plate (403) is detachably connected to a limiting rod (404), and an outer side wall of the limiting rod (404) is slidably connected to an inner side wall of the limiting hole (104).

6. The device for measuring the blockage density with the function of simulating a blasthole according to claim 5, characterized in that: The pressing assembly (5) comprises a connecting plate (501), wherein the connecting plate (501) is detachably connected to the outer wall of the bottom surface of the pressing plate (403), wherein the outer wall of the bottom surface of the connecting plate (501) is provided with a solid column (502).

7. The device for measuring the blockage density with the function of simulating a blasthole according to claim 4, characterized in that: The air pressure measuring assembly (6) comprises a first cylinder (601), a sandwich cylinder (606), a second cylinder (608) and a third cylinder (6013), the inner wall of the first cylinder (601) being provided with a second thread groove (603), and the inner wall of the second thread groove (603) being threadedly connected to the inner wall of the first thread groove (302), wherein a support ring (602) is provided on the inner wall of the first cylinder (601), and the outer wall of the first cylinder (601) being provided with a side groove (604), and the inner wall of the side groove (604) being provided with a first thread line (605); The inner wall of the sandwich cylinder (606) is provided with a blasthole inner wall simulation groove (607), and the outer wall of the sandwich cylinder (606) and the inner wall of the first cylinder (601) are wedged with each other, wherein the sandwich cylinder (606) can be limited by the support ring (602) on the inner wall of the first cylinder (601); The inner wall of the second cylinder (608) is provided with a clamping groove (609), and the inner wall of the clamping groove (609) is provided with a third thread groove (6010), and the inner wall of the third thread groove (6010) is threadedly connected to the outer wall of the first thread line (605), wherein the inner wall of the clamping groove (609) and the outer wall of the sandwich cylinder (606) are wedged with each other, the inner wall of the second cylinder (608) is provided with a first limiting groove (6016), the inner wall of the first limiting groove (6016) is provided with a fourth thread groove (6019), and the inner wall of the bottom surface of the first limiting groove (6016) is provided with a clamping groove (6017), wherein the clamping groove ( The inner wall of the card slot (6017) is provided with an insertion rod (6018), the outer wall of the insertion rod (6018) and the inner wall of the insertion hole (6012) are wedged together, and the insertion hole (6012) is provided on the upper surface of the card block (6011), wherein the outer wall of the card block (6011) and the inner wall of the card slot (6017) are wedged together, the number of the card blocks (6011) is two, and the outer walls of the two card blocks (6011) on the side close to each other are provided with a connecting shaft (6020), wherein the connecting shafts (6020) are connected by a cloth belt (6021), and the upper surface of the cloth belt (6021) is provided with a pressure sensor (6022); The outer wall of the third cylinder (6013) is provided with a second limiting groove (6014), and the inner wall of the second limiting groove (6014) is provided with a second thread line (6015), wherein the second thread line (6015) is threadedly connected to the inner wall of the fourth thread groove (6019).

8. The device for measuring the blockage density with the function of simulating a blasthole according to claim 7, characterized in that: The outer wall of the solid column (502) and the inner wall of the third cylinder (6013) are wedged together.

9. The device for measuring the blockage density with the function of simulating a blasthole according to claim 4, characterized in that: The number of the bottom support components (3) is two, and the two bottom support components (3) are symmetrically distributed on the upper surface of the rotating plate (203).

10. A measuring method for a plugging density measuring device with a blasthole simulation function according to any one of claims 1 to 9, characterized in that: The following steps are involved: Step 1: Select and connect the bottom support assembly (3) and the downward pressure assembly (5) as needed; select the bottom support assembly (3) and the air pressure measuring assembly (6) of corresponding size according to the size of the simulated blasthole, and detachably connect the bottom plate (301) and the rotating plate (203); then select the downward pressure assembly (5) of corresponding size according to the size of the bottom support assembly (3), and detachably connect the connecting plate (501) and the pressing plate (403); Step 2: Assemble the air pressure measuring assembly (6). The specific steps are as follows: S1, moving the first cylinder (601) and aligning the first thread groove (302) with the second thread groove (603), then rotating the first cylinder (601) and making a detachable connection between the first thread groove (302) and the second thread groove (603); S2, according to the roughness of the inner wall of the simulated blasthole, a sandwich cylinder (606) containing a simulation groove (607) of the inner wall of the blasthole with a corresponding roughness is selected, and then the sandwich cylinder (606) is moved and the outer wall of the sandwich cylinder (606) is wedged with the inner wall of the first cylinder (601) so that the outer wall of the bottom surface of the sandwich cylinder (606) can be fitted with the upper surface of the support plate (101), and then the sandwich cylinder (606) is placed inside the first cylinder (601); S3, move the second cylinder (608) and align the clamping groove (609) with the side groove (604), then rotate the second cylinder (608) and, under the action of the threaded connection between the third thread groove (6010) and the first thread line (605), the second cylinder (608) and the first cylinder (601) can be detachably connected, and at the same time, under the action of the clamping groove (609), the sandwich cylinder (606) can be limited to a position between the support ring (602) and the clamping groove (609); S4, moving the card block (6011) and aligning the insertion hole (6012) with the insertion rod (6018), and then pressing the card block (6011) down along the inner wall of the card slot (6017), so that the card block (6011) and the second cylinder (608) can be connected under the action of mutual engagement of the insertion rod (6018) and the card block (6012), and the pressure sensor (6022) can be limited inside the second cylinder (608); S5, moving the third cylinder (6013) and aligning the second limiting groove (6014) with the first limiting groove (6016), then rotating the third cylinder (6013) and, under the action of the threaded connection between the second thread line (6015) and the fourth thread groove (6019), the third cylinder (6013) and the second cylinder (608) can be detachably connected, so that the clamping block (6011) can be clamped inside the second cylinder (608); Step three, rotating in a circle to place the filling material into the sandwich cylinder (606), and then driving the rotating shaft (202) to rotate by the servo motor (201), thereby driving the rotating plate (203) to rotate, and then driving the bottom support assembly (3) and the air pressure measuring assembly (6) to rotate in a circle to a position directly below the solid column (502). At the same time, under the action of the two bottom support assemblies (3) provided on the upper surface of the rotating plate (203), the plugging density can be measured while the filling material can be taken out and the air pressure measuring assembly (6) can be disassembled and replaced; Step 4: linear movement and downward pressure. The electric hydraulic cylinder (401) drives the hydraulic telescopic rod (402) to slide and telescope, thereby driving the pressure plate (403) to move linearly, and then driving the solid column (502) to slide into the third cylinder (6013), so that the filling material can be pressed. At the same time, the pressure data of the filling material can be measured in time through the pressure sensor (6022) and output for display and recording.

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