CN102174900B - Top plate displacement monitoring device based on pretightening force - Google Patents
Top plate displacement monitoring device based on pretightening force Download PDFInfo
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- CN102174900B CN102174900B CN 201110057812 CN201110057812A CN102174900B CN 102174900 B CN102174900 B CN 102174900B CN 201110057812 CN201110057812 CN 201110057812 CN 201110057812 A CN201110057812 A CN 201110057812A CN 102174900 B CN102174900 B CN 102174900B
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- 238000006073 displacement reaction Methods 0.000 title claims abstract description 35
- 238000012806 monitoring device Methods 0.000 title abstract description 5
- 239000010720 hydraulic oil Substances 0.000 claims description 68
- 230000006698 induction Effects 0.000 claims description 48
- 238000007789 sealing Methods 0.000 claims description 43
- 238000003825 pressing Methods 0.000 claims description 38
- 230000008676 import Effects 0.000 claims description 16
- 239000004615 ingredient Substances 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 9
- 230000001105 regulatory effect Effects 0.000 claims description 8
- 239000012530 fluid Substances 0.000 claims description 4
- 238000010992 reflux Methods 0.000 claims description 4
- 230000001276 controlling effect Effects 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 238000011900 installation process Methods 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 2
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 238000012544 monitoring process Methods 0.000 abstract description 15
- 238000005259 measurement Methods 0.000 abstract description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 230000008901 benefit Effects 0.000 abstract description 4
- 230000008054 signal transmission Effects 0.000 abstract 1
- 230000011218 segmentation Effects 0.000 description 16
- 230000000694 effects Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 238000012545 processing Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
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Abstract
The invention provides a top plate displacement monitoring device based on pretightening force, belonging to the technical fields of safety monitoring and control of mine exploitation. The measuring device provided by the invention is characterized by having the advantages of real-time on-line monitoring, accurate measurement and wide application range. Compared with the existing measuring equipment, the monitoring device has the advantages of real-time on-line monitoring, accurate measurement, large measuring range and wide application range, can realize remote transmission of signals, has few wearing parts, multiple standard parts and common parts and few field devices, can be normally used in the severe environments of high pressure, high temperature, high humidity and the like, and is easy to realize serialized, large-scale and normalized production. The device provided by the invention solves the urgent problems in the current mine safety production. The invention successfully provides a top plate displacement monitoring device based on pretightening force, which is quick and accurate and has a wide application range.
Description
Technical field:
A kind of top board displacement monitor based on pretightning force of the present invention belongs to mine excavation safety monitoring and control technology field, specifically a kind of monitoring device of monitoring the underground ore bed amount of crushing.
Background technology:
The top board of ore bed is constantly unsettled along with the continuous expansion of production zone, if untimely discovery will cause a lot of mine accidents, for fear of the generation of accident, need to carry out tight monitoring to the top board situation of ore bed, and in time pinpointing the problems solves a problem promptly.In mining is produced, tightly monitor incessantly round the clock the top board situation of ore bed, crush speed, sinking displacement amount of at any time monitoring has very important meaning for the safety in production in mine, so a kind of quickness and high efficiency and accurately measurement, adviser tool just need to be provided in the safety in production in mine at present.
The content of invention:
A kind of top board displacement monitor based on pretightning force of the present invention, purpose is to solve urgent problem in the present Mine Safety in Production, thereby provide a kind of quick accurately, the top board displacement monitor based on pretightning force that the scope of application is extensive.
A kind of top board displacement monitor based on pretightning force of the present invention, it is characterized in that it consists of: by the first semicircle pressing plate 1, cylinder body 2, magnetic induction length measuring instrument 3, the first sealing ring 4, the second sealing ring 5, inlet for pressurised gas check valve assembly 6, base plate 7, shielding protection data line 8, power line 9, Compressed Gas outlet pressure limiting valve assembly 10, magnet ring compresses flat recess swivel nut 11, magnet ring 12, the second semicircle pressing plate 13, top board piston 14, hydraulic oil import check valve assembly 15 and hydraulic oil outlet pressure limiting valve assembly 16 forms, in above-mentioned each ingredient except magnetic induction length measuring instrument 3, the first sealing ring 4, the second sealing ring 5, the material of shielding protection data line 8 and power line 9 outer all the other components and parts is metal material; The shape of each ingredient is as follows: the first semicircle pressing plate 1 be one with holes in order to wear half hollow cylinder plate of screw; Cylinder body 2 is under one base plate to be arranged, on the box cavity structure of two coaxial hollow cylinders is arranged, large hollow cylinder on its base plate top is exactly the main body of cylinder body 2, its cylinder body 2 inner surfaces are placed top board piston 14, its cylinder body 2 upper ends arrange internal thread hole, be screwed into screw during for connection the first semicircle pressing plate 1 and the second semicircle pressing plate 13, the total hole count that will wear screw on the quantity of the internal thread hole of cylinder body 2 and the first semicircle pressing plate 1 and the second semicircle pressing plate 13 equates, hollow cylinder of each projection about cylinder body position on the lower side, internal thread is carved with in hole at the hollow cylinder of two projections, in order to screw on identical thread elements but all be externally threaded inlet for pressurised gas check valve assembly 6 and Compressed Gas outlet pressure limiting valve assembly 10, be carved with several screwed holes on the base plate of cylinder body 2 bottoms, connect another ingredient base plate 7, the groove that is carved with a cuboid on the base plate of cylinder body 2 bottoms is laid shielding protection data line 8 and power line 9, in the middle of cylinder body 2 from the end on porose, in the hole end of to another ingredient magnetic induction length measuring instrument 3 of upper insertion; Magnetic induction length measuring instrument 3 is comprised of magnetic induction device and electric wire, puts a hollow cylinder that plays the protection sealing function; The first sealing ring 4 and the second sealing ring 5 are exactly the O RunddichtringO, be shaped as the anchor ring shape, in up and down two grooves that are nested in that the cylinder two ends of top board piston 14 bottoms carve, because the material of sealing ring is the flexible material of rubber-like, so the shape of its two grooves being carved by the cylinder two ends of top board piston 14 bottoms in the shape of this device determines; Inlet for pressurised gas check valve assembly 6 is Pneumatic assemblies commonly used, and its main body is hollow cylinder, processes gas thread at the place, two ends of cylinder external surface, and its internal cavities is equipped with ball sealer, pressure ball lid, Compress Spring and spring pressure Adjusting bolt Adjusting screw; Base plate 7 be one with several holes in order to penetrate the cylindrical flat board of screw, on it on number in hole and cylinder body 2 lower rafts number of screw equate; Shielding protection data line 8 is cables of industrial controlling; Power line 9 is electric supply lines; Compressed Gas outlet pressure limiting valve assembly 10 is Pneumatic assemblies commonly used, and its main body is hollow cylinder, processes gas thread at the place, two ends of cylinder external surface, and its internal cavities is equipped with ball sealer, pressure ball lid, Compress Spring and spring pressure Adjusting bolt Adjusting screw; It is that an end has flat recess to be convenient to the hollow swivel nut that screwdriver is regulated that magnet ring compresses flat recess swivel nut 11, carves external screw thread on its outer cylinder surface, and this screw thread is identical with the key element of the internal thread that top board piston 14 is carved below; Magnet ring 12 is magnetic hollow cylinders; The second semicircle pressing plate 13 be one with holes in order to wear half hollow cylinder plate of screw; Top board piston 14 is to have cylinder panel, a centre to be hollow cylinders, down a hollow cylinder larger than this hollow cylinder to be arranged on one, be carved with respectively in these cylinder upper and lower parts and put the groove that sealing ring is used, hollow cylinder inner surfaces below this top board piston 14 are carved with internal thread, in order to screw on identical screw thread but compress flat recess swivel nut 11 for externally threaded magnet ring; Annexation and the installation process of each assembly are as follows: as shown in Figure 1, magnet ring 12 is seated in the internal thread pit of top board piston 14 bottoms, the magnet ring of screwing on compresses flat recess swivel nut 11, by magnet ring compress flat recess swivel nut 11 fixedly magnet ring 12 in the internal thread pit of top board piston 14 bottoms, sealing ring 4 and sealing ring 5 are strutted and push away among the groove that is placed on top board piston 14 lower cylindrical bodies, then with top board piston 14 and be positioned on all components and parts magnet ring 12 on the top board piston 14, magnet ring compresses flat recess swivel nut 11, sealing ring 4 together pushes away in the hollow cylinder hole that is put in cylinder body 2 with sealing ring 5, cover the first semicircle pressing plate 1 and the second semicircle pressing plate 13, the first semicircle pressing plate 1 and the second semicircle pressing plate 13 are screwed in the top of cylinder body 2, insert magnetic induction length measuring instrument 3 from cylinder body 2 bottoms, and the shielding protection data line 8 that will be connected with magnetic induction length measuring instrument 3 and suitable being placed in the groove of cylinder body 2 bottoms of power line 9 pendulum, cover base plate 7, base plate 7 is screwed on the base plate of cylinder body 2 bottoms, screw on inlet for pressurised gas check valve assembly 6 and Compressed Gas outlet pressure limiting valve assembly 10 on the internal thread at the cylinder position of cylinder body 2 left and right sides projections, inlet for pressurised gas check valve assembly 6 connects upper pipeline in order to be pressed into Compressed Gas by pipeline during on-the-spot the use, Compressed Gas outlet pressure limiting valve assembly 10 is connecting pipe not, at this moment Compressed Gas directly is emptied in the air by Compressed Gas outlet pressure limiting valve assembly 10 and goes, and finishes connection by above step.
Above-mentioned a kind of top board displacement monitor based on pretightning force, it is characterized in that described inlet for pressurised gas check valve assembly 6 also can be hydraulic oil import check valve assembly 15, Compressed Gas outlet pressure limiting valve assembly 10 also can be hydraulic oil outlet pressure limiting valve assembly 16, hydraulic oil import check valve assembly 15 connects upper pipeline so that send into hydraulic oil by the hydraulic oil pipeline during on-the-spot the use, connecting fluid force feed reflux line on hydraulic oil outlet pressure limiting valve assembly 16 external screw threads refluxes along pipeline for hydraulic oil.
A kind of top board displacement monitor based on pretightning force of the present invention, its operating principle and implementation process are divided into two kinds of situations according to the situation of on-the-spot working medium: 1, used medium is the situation of Compressed Gas: enter the cavity that is positioned at the cylinder body 2 below the top board piston 14 with the Compressed Gas of certain pressure from air compressor machine and the corresponding compressed gas feed check valve assembly 6 of connecting pipe thereof, top board piston 14 rises under the effect of compressed air pressure until the cylinder panel above the top board piston 14 contacts with tested top board, along with Compressed Gas constantly enters in the chamber of cylinder body 2 bottoms from inlet for pressurised gas check valve assembly 6, guaranteed that at first the cylinder panel above the top board piston 14 contacts all the time with tested top board, constantly enter along with Compressed Gas in the chamber of cylinder body 2 bottoms also so that the pressure of the Compressed Gas in cylinder body 2 lower chamber constantly increases, export the adjusting pressure of pressure limiting valve assembly 10 greater than Compressed Gas when the pressure of Compressed Gas, be that the pressure of Compressed Gas is during greater than the spring force in the Compressed Gas outlet pressure limiting valve assembly 10, the ball sealer that Compressed Gas backs down Compressed Gas outlet pressure limiting valve assembly 10 is discharged in the air and goes, be carved with flat recess on the swivel nut of inlet for pressurised gas check valve assembly 6 and Compressed Gas outlet pressure limiting valve assembly 10 and be used for the elastic force that regulating spring suppresses ball sealer, when crushing, Compressed Gas in top board piston 14 lower chamber goes along with the compressed gas vent pressure limiting valve of moving down of top board assembly 10 is discharged in the air, this moment, top board piston 14 was descending, the magnet ring 12 of top board piston 14 bottoms is thereupon descending, the change in displacement of magnet ring 12 gets on owing to the effect of magnetic induction is reacted to magnetic induction length measuring instrument 3, because the measuring element of magnetic induction length measuring instrument 3 has carried out segment processing in advance, each segmentation all has unique reasonable coding, the degree of its segmentation segmentation has reached the rank of micron, magnetic induction length measuring instrument 3 will produce corresponding different coding signal when magnet ring 12 arrives each segmentation position, this signal is delivered to relevant monitoring instrument equipment and gets on to store by being connected in shielding protection data line 8 on the magnetic induction length measuring instrument 3, analyze and process, power line 9 provides the electric power support for magnetic induction length measuring instrument 3.2, used medium is the hydraulic pressure oil condition: with the hydraulic oil of certain pressure from hydraulic oil container, pump and corresponding connecting pipe thereof enter the cavity that is positioned at the cylinder body 2 below the top board piston 14 through hydraulic oil import check valve assembly 15, top board piston 14 rises under the effect of hydraulic fluid pressure until the cylinder panel above the top board piston 14 contacts with tested top board, along with hydraulic oil constantly enters in the chamber of cylinder body 2 bottoms from hydraulic oil import check valve assembly 15, guaranteed that at first the cylinder panel above the top board piston 14 contacts all the time with tested top board, constantly enter along with hydraulic oil in the chamber of cylinder body 2 bottoms also so that the pressure of the hydraulic oil in cylinder body 2 lower chamber constantly increases, export the adjusting pressure of pressure limiting valve assembly 16 greater than hydraulic oil when the pressure of hydraulic oil, be that the pressure of hydraulic oil is during greater than the spring force in the hydraulic oil outlet pressure limiting valve assembly 16, hydraulic oil backs down the ball sealer of hydraulic oil outlet pressure limiting valve assembly 16, through flowing back to the container of hydraulic oil along pipeline in, goes by hydraulic oil outlet pressure limiting valve assembly 16, be carved with flat recess on the swivel nut of hydraulic oil import check valve assembly 15 and hydraulic oil outlet pressure limiting valve assembly 16 and be used for the elastic force that regulating spring suppresses ball sealer, when crushing, hydraulic oil in top board piston 14 lower chamber little by little flows back in the hydraulic oil container through hydraulic oil outlet pressure limiting valve assembly 16 and connecting pipe thereof and to go along with moving down of top board, this moment, top board piston 14 was descending, the magnet ring 12 of top board piston 14 bottoms is thereupon descending, the change in displacement of magnet ring 12 gets on owing to the effect of magnetic induction is reacted to magnetic induction length measuring instrument 3, because the measuring element of magnetic induction length measuring instrument 3 has carried out segment processing in advance, each segmentation all has unique reasonable coding, the degree of its segmentation segmentation has reached the rank of micron, magnetic induction length measuring instrument 3 will produce corresponding different coding signal when magnet ring 12 arrives each segmentation position, this signal is delivered to relevant monitoring instrument equipment and gets on to store by being connected in shielding protection data line 8 on the magnetic induction length measuring instrument 3, analyze and process, power line 9 provides the electric power support for magnetic induction length measuring instrument 3.
A kind of top board displacement monitor based on pretightning force of the present invention, its advantage is as follows:
This monitoring tool is a kind ofly to have at any time on-line monitoring, measure accurately and the extensive measurement mechanism of the scope of application; with respect to existing measureing equipment, but have on-line monitoring at any time, signal remote transmission, measure accurately, range is large, applied widely, few easy workout part, can in the adverse circumstances such as high pressure-temperature high humidity, normally use, standard and common parts is many, now components and parts processed few, carry out the advantage of seriation, scale and standardized production easily.Because magnetic induction length measuring instrument 3 science; ingenious and accurately the micron order segment encoding process; so that the certainty of measurement that reaches has reached micron-sized level; because the difference of its measuring principle; existing measureing equipment does not just reach so high certainty of measurement; the precision that present existing measureing equipment can reach is 2 grades; YHW150 top board displacement monitoring alarm for example; or basic accuracy is 2%; SHX50GDY-306 type mining roof plate displacement transducer for example; because the height of this device; size and pressure can be regulated and make up; therefore not only can apply to high top board displacement measurement; can apply to again low top board displacement measurement; because the range of measuring is determined by the measurement rod member length of magnetic induction length measuring instrument 3; and the easy processing and fabricating of measurement rod member; therefore it is large to measure range; range ability is up to 0--1.5 rice; range 150 with respect to present such measuring apparatus; 300; 500 millimeters have larger measurement range; in 16 kinds of components and parts; the first sealing ring 4; the second sealing ring 5; inlet for pressurised gas check valve assembly 6; shielding protection data line 8; power line 9; Compressed Gas outlet pressure limiting valve assembly 10; hydraulic oil import check valve assembly 15 and hydraulic oil outlet pressure limiting valve assembly 16 belong to standard and common parts; it is few to show workpieces owing to standard and common parts, therefore is convenient to scale; standardization and producing in serial form manufacturing.
Description of drawings:
A kind of top board displacement monitor based on pretightning force of Fig. 1 is always schemed
As shown in Figure 1, number in the figure is respectively:
1: the first semicircle pressing plate 2: cylinder body 3: 5: the second sealing rings 6 of 4: the first sealing rings of magnetic induction length measuring instrument: inlet for pressurised gas check valve assembly 7: base plate 8: shielding protection data line 9: power line 10: Compressed Gas outlet pressure limiting valve assembly 11: magnet ring compresses flat recess swivel nut 12: 13: the second semicircle pressing plates 14 of magnet ring: top board piston 15: hydraulic oil import check valve assembly 16: hydraulic oil outlet pressure limiting valve assembly
Embodiment 1:
When on-the-spot use Compressed Gas is more convenient as power, then use Compressed Gas as power resources, at this moment enter the cavity that is positioned at the cylinder body 2 below the top board piston 14 with the Compressed Gas of certain pressure from air compressor machine and the corresponding compressed gas feed check valve assembly 6 of connecting pipe thereof, top board piston 14 rises under the effect of compressed air pressure until the cylinder panel above the top board piston 14 contacts with tested top board, along with Compressed Gas constantly enters in the chamber of cylinder body 2 bottoms from inlet for pressurised gas check valve assembly 6, guaranteed that at first the cylinder panel above the top board piston 14 contacts all the time with tested top board, constantly enter along with Compressed Gas in the chamber of cylinder body 2 bottoms also so that the pressure of the Compressed Gas in cylinder body 2 lower chamber constantly increases, export the adjusting pressure of pressure limiting valve assembly 10 greater than Compressed Gas when the pressure of Compressed Gas, be that the pressure of Compressed Gas is during greater than the spring force in the Compressed Gas outlet pressure limiting valve assembly 10, the ball sealer that Compressed Gas backs down Compressed Gas outlet pressure limiting valve assembly 10 is discharged in the air and goes, the swivel nut end of inlet for pressurised gas check valve assembly 6 and Compressed Gas outlet pressure limiting valve assembly 10 is carved with flat recess and is used for the elastic force that regulating spring suppresses ball sealer, when crushing, Compressed Gas in top board piston 14 lower chamber goes along with the compressed gas vent pressure limiting valve of moving down of top board assembly 10 is discharged in the air, this moment, top board piston 14 was descending, the magnet ring 12 of top board piston 14 bottoms is thereupon descending, the change in displacement of magnet ring 12 gets on owing to the effect of magnetic induction is reacted to magnetic induction length measuring instrument 3, because the measuring element of magnetic induction length measuring instrument 3 has carried out segment processing in advance, each segmentation all has unique reasonable coding, the degree of its segmentation segmentation has reached the rank of micron, magnetic induction length measuring instrument 3 will produce corresponding different coding signal when magnet ring 12 arrives each segmentation position, this signal is delivered to relevant monitoring instrument equipment and gets on to store by being connected in shielding protection data line 8 on the magnetic induction length measuring instrument 3, analyze and process, power line 9 provides the electric power support for magnetic induction length measuring instrument 3.A kind of top board displacement monitor based on pretightning force of the present invention lies directly on the ground, and this installs nethermost base plate bottom surface and directly contacts with ground surface, the length that device is done, the displacement that is used for measuring the large top board of displacement.
Embodiment 2:
When on-the-spot use hydraulic oil is more convenient as power, then use hydraulic oil as power resources, at this moment with the hydraulic oil of certain pressure from hydraulic oil container, pump and corresponding connecting pipe thereof enter the cavity that is positioned at the cylinder body 2 below the top board piston 14 through hydraulic oil import check valve assembly 15, top board piston 14 rises under the effect of hydraulic fluid pressure until the cylinder panel above the top board piston 14 contacts with tested top board, along with hydraulic oil constantly enters in the chamber of cylinder body 2 bottoms from hydraulic oil import check valve assembly 15, guaranteed that at first the cylinder panel above the top board piston 14 contacts all the time with tested top board, constantly enter along with hydraulic oil in the chamber of cylinder body 2 bottoms also so that the pressure of the hydraulic oil in cylinder body 2 lower chamber constantly increases, export the adjusting pressure of pressure limiting valve assembly 16 greater than hydraulic oil when the pressure of hydraulic oil, be that the pressure of hydraulic oil is during greater than the spring force in the hydraulic oil outlet pressure limiting valve assembly 16, hydraulic oil backs down the ball sealer of hydraulic oil outlet pressure limiting valve assembly 16, through flowing back to the container of hydraulic oil along pipeline in, goes by hydraulic oil outlet pressure limiting valve assembly 16, be carved with flat recess on the swivel nut of hydraulic oil import check valve assembly 15 and hydraulic oil outlet pressure limiting valve assembly 16 and be used for the elastic force that regulating spring suppresses ball sealer, when crushing, hydraulic oil in top board piston 14 lower chamber is along with moving down among hydraulic oil outlet pressure limiting valve assembly 16 and connecting pipe thereof little by little flow back to hydraulic oil container of top board gone, this moment, top board piston 14 was descending, the magnet ring 12 of top board piston 14 bottoms is thereupon descending, the change in displacement of magnet ring 12 gets on owing to the effect of magnetic induction is reacted to magnetic induction length measuring instrument 3, because the measuring element of magnetic induction length measuring instrument 3 has carried out segment processing in advance, each segmentation all has unique reasonable coding, the degree of its segmentation segmentation has reached the rank of micron, magnetic induction length measuring instrument 3 will produce corresponding different coding signal when magnet ring 12 arrives each segmentation position, this signal is delivered to relevant monitoring instrument equipment and gets on to store by being connected in shielding protection data line 8 on the magnetic induction length measuring instrument 3, analyze and process, power line 9 provides the electric power support for magnetic induction length measuring instrument 3.A kind of top board displacement monitor based on pretightning force of the present invention lies directly on the ground, and this installs nethermost base plate bottom surface and directly contacts with ground surface, the length that device is done, the displacement that is used for measuring the large top board of displacement.
Embodiment 3:
A kind of top board displacement monitor based on pretightning force of the present invention lies against on the upper surface of ground projection bearing, installing nethermost base plate bottom surface contacts with the upper surface of ground projection bearing, the weak point that device is done, the displacement that is used for measuring the little top board of displacement, other are together
Embodiment1.
Embodiment 4:
A kind of top board displacement monitor based on pretightning force of the present invention lies against on the upper surface of ground projection bearing, installing nethermost base plate bottom surface contacts with the upper surface of ground projection bearing, the weak point that device is done, the displacement that is used for measuring the little top board of displacement, other are together
Embodiment 2
Claims (2)
1. the top board displacement monitor based on pretightning force is characterized in that composition proposal one: be comprised of the first semicircle pressing plate (1), cylinder body (2), magnetic induction length measuring instrument (3), the first sealing ring (4), the second sealing ring (5), inlet for pressurised gas check valve assembly (6), base plate (7), shielding protection data line (8), power line (9), Compressed Gas outlet pressure limiting valve assembly (10), magnet ring compression flat recess swivel nut (11), magnet ring (12), the second semicircle pressing plate (13), top board piston (14); In above-mentioned each ingredient except magnetic induction length measuring instrument (3), the first sealing ring (4), the second sealing ring (5), shielding protection data line (8) and power line (9) material of all the other components and parts be metal material; The shape of each ingredient is as follows: the first semicircle pressing plate (1) be one with holes in order to wear half hollow cylinder plate of screw; Cylinder body (2) is under one base plate to be arranged, on the box cavity structure of two coaxial hollow cylinders is arranged, large hollow cylinder on its base plate top is exactly the main body of cylinder body (2), its cylinder body (2) inner surface is placed top board piston (14), its cylinder body (2) upper end arranges internal thread hole, be screwed into screw during for connection the first semicircle pressing plate (1) and the second semicircle pressing plate (13), the total hole count that will wear screw on the quantity of the internal thread hole of cylinder body (2) and the first semicircle pressing plate (1) and the second semicircle pressing plate (13) equates, hollow cylinder of each projection about cylinder body (2) position on the lower side, internal thread is carved with in hole at the hollow cylinder of two projections, in order to screw on identical thread elements but all be externally threaded inlet for pressurised gas check valve assembly (6) and Compressed Gas outlet pressure limiting valve assembly (10), be carved with several screwed holes on the base plate of cylinder body (2) bottom, connect another ingredient base plate (7), the groove that is carved with a cuboid on the base plate of cylinder body (2) bottom is laid shielding protection data line (8) and power line (9), in the middle of the cylinder body (2) end of to upper porose, in the hole end of to another ingredient magnetic induction length measuring instrument (3) of upper insertion; Magnetic induction length measuring instrument (3) is comprised of magnetic induction device and electric wire, puts a hollow cylinder that plays the protection sealing function; The first sealing ring (4) and the second sealing ring (5) are exactly the O RunddichtringO, be shaped as the anchor ring shape, in up and down two grooves that are nested in that the cylinder two ends of top board piston (14) bottom carve, because the material of sealing ring is the flexible material of rubber-like, so the shape of its two grooves being carved by the cylinder two ends of top board piston (14) bottom in the shape of this device determines; Inlet for pressurised gas check valve assembly (6) is a Pneumatic assembly commonly used; Base plate (7) be one with several holes in order to penetrate the cylindrical flat board of screw, on it on number in hole and cylinder body (2) lower raft number of screw equate; Shielding protection data line (8) is the cable of industrial controlling; Power line (9) is the electric supply line; Compressed Gas outlet pressure limiting valve assembly (10) is a Pneumatic assembly commonly used; It is that an end has flat recess to be convenient to the hollow swivel nut that screwdriver is regulated that magnet ring compresses flat recess swivel nut (11), carves external screw thread on its outer cylinder surface, and this screw thread is identical with the key element of the internal thread that top board piston (14) is carved below; Magnet ring (12) is a magnetic hollow cylinder; The second semicircle pressing plate (13) be one with holes in order to wear half hollow cylinder plate of screw; Top board piston (14) is to have cylinder panel, a centre to be hollow cylinders, down a hollow cylinder larger than this hollow cylinder to be arranged on one, be carved with respectively in these cylinder upper and lower parts and put the groove that sealing ring is used, hollow cylinder inner surface below this top board piston (14) is carved with internal thread, in order to screw on identical screw thread but compress flat recess swivel nut (11) for externally threaded magnet ring; Annexation and the installation process of each assembly are as follows: magnet ring (12) is seated in the internal thread pit of top board piston (14) bottom, the magnet ring of screwing on compresses flat recess swivel nut (11), by magnet ring compress flat recess swivel nut (11) fixedly magnet ring (12) in the internal thread pit of top board piston (14) bottom, the first sealing ring (4) and the second sealing ring (5) are strutted and push away among the groove that is placed on top board piston (14) lower cylindrical body, then with top board piston (14) and be positioned on all components and parts magnet ring (12) on the top board piston (14), magnet ring compresses flat recess swivel nut (11), the first sealing ring (4) together pushes away in the hollow cylinder hole that is put in cylinder body (2) with the second sealing ring (5), cover the first semicircle pressing plate (1) and the second semicircle pressing plate (13), the first semicircle pressing plate (1) is screwed in the top of cylinder body (2) with the second semicircle pressing plate (13), insert magnetic induction length measuring instrument (3) from cylinder body (2) bottom, and the shielding protection data line (8) that will be connected with magnetic induction length measuring instrument (3) and power line (9) pendulum is along in the groove that is placed in cylinder body (2) bottom, cover base plate (7), base plate (7) is screwed on the base plate of cylinder body (2) bottom, screw on inlet for pressurised gas check valve assembly (6) and Compressed Gas outlet pressure limiting valve assembly (10) on the internal thread at the cylinder position of cylinder body (2) left and right sides projection, during on-the-spot the use in inlet for pressurised gas check valve assembly (6) connection pipeline in order to be pressed into Compressed Gas by pipeline, Compressed Gas outlet pressure limiting valve assembly (10) is connecting pipe not, at this moment Compressed Gas directly is emptied in the air by Compressed Gas outlet pressure limiting valve assembly (10) and goes, and finishes installation by above step.
2. the top board displacement monitor based on pretightning force is characterized in that composition proposal two: compress flat recess swivel nut (11), magnet ring (12), the second semicircle pressing plate (13), top board piston (14), hydraulic oil import check valve assembly (15) and hydraulic oil outlet pressure limiting valve assembly (16) by the first semicircle pressing plate (1), cylinder body (2), magnetic induction length measuring instrument (3), the first sealing ring (4), the second sealing ring (5), base plate (7), shielding protection data line (8), power line (9), magnet ring and form; In above-mentioned each ingredient except magnetic induction length measuring instrument (3), the first sealing ring (4), the second sealing ring (5), shielding protection data line (8) and power line (9) material of all the other components and parts be metal material; The shape of each ingredient is as follows: the first semicircle pressing plate (1) be one with holes in order to wear half hollow cylinder plate of screw; Cylinder body (2) is under one base plate to be arranged, on the box cavity structure of two coaxial hollow cylinders is arranged, large hollow cylinder on its base plate top is exactly the main body of cylinder body (2), its cylinder body (2) inner surface is placed top board piston (14), its cylinder body (2) upper end arranges internal thread hole, be screwed into screw during for connection the first semicircle pressing plate (1) and the second semicircle pressing plate (13), the total hole count that will wear screw on the quantity of the internal thread hole of cylinder body (2) and the first semicircle pressing plate (1) and the second semicircle pressing plate (13) equates, hollow cylinder of each projection about cylinder body (2) position on the lower side, internal thread is carved with in hole at the hollow cylinder of two projections, in order to screw on identical thread elements but all be externally threaded hydraulic oil import check valve assembly (15) and hydraulic oil outlet pressure limiting valve assembly (16), be carved with several screwed holes on the base plate of cylinder body (2) bottom, connect another ingredient base plate (7), the groove that is carved with a cuboid on the base plate of cylinder body (2) bottom is laid shielding protection data line (8) and power line (9), in the middle of the cylinder body (2) end of to upper porose, in the hole end of to another ingredient magnetic induction length measuring instrument (3) of upper insertion; Magnetic induction length measuring instrument (3) is comprised of magnetic induction device and electric wire, puts a hollow cylinder that plays the protection sealing function; The first sealing ring (4) and the second sealing ring (5) are exactly the O RunddichtringO, be shaped as the anchor ring shape, in up and down two grooves that are nested in that the cylinder two ends of top board piston (14) bottom carve, because the material of sealing ring is the flexible material of rubber-like, so the shape of its two grooves being carved by the cylinder two ends of top board piston (14) bottom in the shape of this device determines; Hydraulic oil import check valve assembly (15) is a hydraulic package commonly used; Base plate (7) be one with several holes in order to penetrate the cylindrical flat board of screw, on it on number in hole and cylinder body (2) lower raft number of screw equate; Shielding protection data line (8) is the cable of industrial controlling; Power line (9) is the electric supply line; Hydraulic oil outlet pressure limiting valve assembly (16) is a hydraulic package commonly used; It is that an end has flat recess to be convenient to the hollow swivel nut that screwdriver is regulated that magnet ring compresses flat recess swivel nut (11), carves external screw thread on its outer cylinder surface, and this screw thread is identical with the key element of the internal thread that top board piston (14) is carved below; Magnet ring (12) is a magnetic hollow cylinder; The second semicircle pressing plate (13) be one with holes in order to wear half hollow cylinder plate of screw; Top board piston (14) is to have cylinder panel, a centre to be hollow cylinders, down a hollow cylinder larger than this hollow cylinder to be arranged on one, be carved with respectively in these cylinder upper and lower parts and put the groove that sealing ring is used, hollow cylinder inner surface below this top board piston (14) is carved with internal thread, in order to screw on identical screw thread but compress flat recess swivel nut (11) for externally threaded magnet ring; Annexation and the installation process of each assembly are as follows: magnet ring (12) is seated in the internal thread pit of top board piston (14) bottom, the magnet ring of screwing on compresses flat recess swivel nut (11), by magnet ring compress flat recess swivel nut (11) fixedly magnet ring (12) in the internal thread pit of top board piston (14) bottom, the first sealing ring (4) and the second sealing ring (5) are strutted and push away among the groove that is placed on top board piston (14) lower cylindrical body, then with top board piston (14) and be positioned on all components and parts magnet ring (12) on the top board piston (14), magnet ring compresses flat recess swivel nut (11), the first sealing ring (4) together pushes away in the hollow cylinder hole that is put in cylinder body (2) with the second sealing ring (5), cover the first semicircle pressing plate (1) and the second semicircle pressing plate (13), the first semicircle pressing plate (1) is screwed in the top of cylinder body (2) with the second semicircle pressing plate (13), insert magnetic induction length measuring instrument (3) from cylinder body (2) bottom, and the shielding protection data line (8) that will be connected with magnetic induction length measuring instrument (3) and power line (9) pendulum is along in the groove that is placed in cylinder body (2) bottom, cover base plate (7), base plate (7) is screwed on the base plate of cylinder body (2) bottom, screw on hydraulic oil import check valve assembly (15) and hydraulic oil outlet pressure limiting valve assembly (16) on the internal thread at the cylinder position of cylinder body (2) left and right sides projection, during on-the-spot the use in hydraulic oil import check valve assembly (15) connection pipeline so that send into hydraulic oil by the hydraulic oil pipeline, connecting fluid force feed reflux line on hydraulic oil outlet pressure limiting valve assembly (16) external screw thread, reflux along pipeline for hydraulic oil, finish installation by above step.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110057812 CN102174900B (en) | 2011-03-08 | 2011-03-08 | Top plate displacement monitoring device based on pretightening force |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110057812 CN102174900B (en) | 2011-03-08 | 2011-03-08 | Top plate displacement monitoring device based on pretightening force |
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| CN102174900A CN102174900A (en) | 2011-09-07 |
| CN102174900B true CN102174900B (en) | 2013-03-27 |
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| CN 201110057812 Expired - Fee Related CN102174900B (en) | 2011-03-08 | 2011-03-08 | Top plate displacement monitoring device based on pretightening force |
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| CN103993911B (en) * | 2014-05-21 | 2016-01-06 | 中国矿业大学 | Comprehensive mechanization filling coal mining goaf top plate dynamic monitor |
| CN104897380B (en) * | 2015-04-09 | 2017-12-12 | 中国第一汽车股份有限公司无锡油泵油嘴研究所 | The detection means and measuring method of common rail pipe pressure limiting valve coupling pressurize stroke |
| CN111173732B (en) * | 2019-12-31 | 2022-05-17 | 盐城世宏石油装备有限公司 | Electric submersible screw pump |
| CN114916969B (en) * | 2022-04-28 | 2023-04-25 | 哈尔滨医科大学 | Flap suspension arm for thyroid surgery |
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| US8100479B2 (en) * | 2006-08-11 | 2012-01-24 | Battelle Memorial Institute | Miner acoustic communication and location system |
| CN201210043Y (en) * | 2008-06-17 | 2009-03-18 | 泰安市国华科技机电设备有限公司 | Top board displacement monitor for mining |
| CN201233230Y (en) * | 2008-06-20 | 2009-05-06 | 中国矿业大学 | Displacement measurement machine for working face baseboard |
| CN101737082A (en) * | 2008-11-07 | 2010-06-16 | 邢念泽 | Mining roof plate absciss layer warning instrument and measurement method |
| CN201628537U (en) * | 2010-03-05 | 2010-11-10 | 山东科大中天电子有限公司 | Top plate displacement monitoring instrument |
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