CN112129578A - Sampling device for sewage treatment - Google Patents
Sampling device for sewage treatment Download PDFInfo
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- CN112129578A CN112129578A CN202011172192.6A CN202011172192A CN112129578A CN 112129578 A CN112129578 A CN 112129578A CN 202011172192 A CN202011172192 A CN 202011172192A CN 112129578 A CN112129578 A CN 112129578A
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- rotating shaft
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- lifting rope
- sampling
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
Abstract
The invention discloses a sampling device for sewage treatment, which comprises a base, wherein the top of the base is connected with a supporting column, the top of the supporting column is connected with a top plate, the top of the top plate is connected with a fixed box, the center of the back of an inner cavity of the fixed box is connected with a first motor, an output shaft of the first motor is connected with a first rotating shaft, and the front of the first rotating shaft is rotatably connected with the front of the inner cavity of the fixed box through a bearing. According to the invention, through the matching of the second motor, the second rotating shaft, the driving gear, the driven gear, the screw rod, the threaded sleeve, the connecting plate, the connecting rod and the baffle, a user can conveniently adjust the position of the baffle, so that the water inlet pipe is controlled, the user can conveniently sample sewage at different depths at the same time, the working efficiency of the user is greatly improved, and the reduction of sampling precision caused by the fact that the user uses the sampling device for sampling at different depths for multiple times is prevented.
Description
Technical Field
The invention relates to the field of sewage treatment, in particular to a sampling device for sewage treatment.
Background
Sewage treatment is a process of purifying sewage to meet the requirement of discharging the sewage into a certain water body or reusing the sewage, and the sewage treatment is widely applied to various fields of buildings, agriculture, traffic, energy, petrifaction, environmental protection, urban landscape, medical treatment, catering and the like, and is also increasingly used in daily life of common people.
Sewage treatment need use sampling device to gather sewage usually, however traditional sampling device for sewage treatment can not sample the sewage of the different degree of depth simultaneously, causes the user to need repetitious usage sampling device to carry out the sampling of different degree of depth sewage, and sampling efficiency is slow, very big reduction user's work efficiency, take place easily when the sewage sampling of the different degree of depth simultaneously and mix, reduce subsequent detection accuracy.
Disclosure of Invention
The present invention is directed to a sampling device for sewage treatment to solve the problems set forth in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a sampling device for sewage treatment comprises a base, wherein the top of the base is connected with a supporting column, the top of the supporting column is connected with a top plate, the top of the top plate is connected with a fixed box, the center of the back of an inner cavity of the fixed box is connected with a first motor, an output shaft of the first motor is connected with a first rotating shaft, the front of the first rotating shaft is rotatably connected with the front of the inner cavity of the fixed box through a bearing, the surface of the first rotating shaft is connected with a winding drum, the surface of the winding drum is wound with a lifting rope, one side of the lifting rope, which is far away from the winding drum, sequentially penetrates through the fixed box and the top plate and is connected with a case, the bottom of the case is connected with a sampling box, the inner cavity of the case is provided with an adjusting mechanism, the two sides of the inner cavity of the sampling box, the front of sampling case is from last to all inlaying in proper order down and being equipped with the outlet pipe, the front of support column is connected with the controller.
Preferably, the adjusting mechanism comprises a second motor, a second rotating shaft, a driving gear, a driven gear, a screw rod, a threaded sleeve, a connecting plate, a connecting rod and a baffle plate, the second motor is connected to the top of the right side of the inner cavity of the case, the output shaft of the second motor is connected with the second rotating shaft, the left side of the second rotating shaft is rotatably connected with the top of the left side of the inner cavity of the case through a bearing, the driving gear is sequentially connected to the surface of the second rotating shaft from left to right, the driven gear is meshed with the left side of the driving gear, the inner cavity of the driven gear is connected with the screw rod, the bottom of the screw rod is rotatably connected with the two sides of the bottom of the inner cavity of the case through a bearing, supporting plates are respectively connected to the tops of the two sides of the inner cavity, one side that the thread bush is in opposite directions is connected with the connecting plate, the center department of connecting plate bottom is connected with the connecting rod, quick-witted case, sampling box and baffle are run through in proper order and downwardly extending in the bottom of connecting rod, the both sides of connecting rod are from last to all looping through first leg joint down and having the baffle, one side and the inlet tube one end swing joint in opposite directions that first support was kept away from to the baffle.
Preferably, the both sides of sampling box inner chamber are from last to all having seted up the spout down in proper order, the inner chamber sliding connection of spout has the slider, slider one side in opposite directions runs through the spout and is connected with one side that the first support was kept away from to the baffle, the slide rail has all been seted up to the bottom of machine case inner chamber both sides, the sliding surface of slide rail has the pulley, one side in opposite directions of pulley is passed through the second support and is connected with one side that the connecting plate was kept away from to the thread bush.
Preferably, the two sides of the center of the top and the bottom of the partition board are respectively bonded with a sealing gasket, and one opposite side of each sealing gasket is movably connected with the surface of the connecting rod.
Preferably, the bottom of sampling box is connected with the balancing weight, the bottom on sampling box right side is connected with level sensor.
Preferably, the bottom of the connecting rod is sequentially connected with first buffer springs from left to right, and the bottoms of the first buffer springs are connected with two sides of the center of the bottom of the inner cavity of the sampling box.
Preferably, the two sides of the bottom of the connecting plate are both connected with second buffer springs, and the bottoms of the second buffer springs are connected with the two sides of the bottom of the inner cavity of the case.
Preferably, the stabilizing device comprises:
the lifting rope winding device comprises a top plate, a lifting rope, a winding drum, a lifting rope, a straight-tooth plate, a lifting rope and a case, wherein the top plate is provided with a hole, a movable rod is arranged in the hole, one side of the movable rod is provided with the straight-tooth plate, the upper end of the movable rod is fixedly connected with one end, far away from the winding drum, of the lifting rope;
the first gear is rotationally connected to the support at the lower end of the top plate and located on one side of the straight tooth plate, and the straight tooth plate is in meshing transmission with the first gear;
the horizontal end of the L-shaped guide rod is fixedly connected with one end, far away from the first gear, of the movable rod;
the vertical end of the L-shaped connecting rod is fixedly connected with the lower end of the top plate, the horizontal end of the L-shaped connecting rod is fixedly connected with one side of a guide rod sleeve, and the guide rod sleeve is sleeved on the vertical section of the L-shaped guide rod in a sliding manner;
the stop device includes: the fixed block is fixedly connected to the lower end of the top plate and is positioned on one side of the movable rod;
the connecting rod is arranged on the inner side of the fixed block in a sliding mode, steel balls are embedded in one end, close to the movable rod, of the connecting rod, a plurality of insertion holes are formed in one side, close to the steel balls, of the movable rod at intervals up and down, and the steel balls are used for being inserted into the insertion holes;
the baffle is fixed on the connecting rod and is positioned on one side of the steel ball;
the spring is sleeved on the connecting rod and located between the fixed block and the baffle, and two ends of the spring are fixedly connected with the fixed block and the baffle respectively.
Preferably, the method further comprises the following steps:
the force sensor is arranged at one end of the lifting rope, which is connected with the case, and is used for detecting the pulling force applied by the case on the lifting rope;
a rotation speed sensor provided on the first rotating shaft for detecting an actual rotation speed of the first rotating shaft;
the speed sensor is arranged on the case and used for detecting the lifting linear speed of the case;
the alarm is arranged on the supporting column;
the controller is arranged on the supporting column and is electrically connected with the force sensor, the speed sensor, the rotating speed sensor and the alarm respectively;
the controller controls the alarm to work based on the force sensor, the speed sensor and the rotating speed sensor, and the method comprises the following steps:
step 1: the operator opens the equipment, the controller controls force sensor, speed sensor, rotational speed sensor detect in real time to calculate through the formula when the lifting rope hoists quick-witted case, the actual moment of torsion of first rotation axis output:
wherein T is the actual torque output by the first rotating shaft when the lifting rope lifts the case, M is the weight of the case, M is the weight of the sampling box, beta is the dynamic load coefficient when the case is lifted, k is the cross-sectional area of the lifting rope, V is the rotating speed of the first rotating shaft detected by the rotating speed sensor, h is the distance between the penetrating point of the lifting rope of the fixed case and the center of the take-up reel, and V is the distance between the penetrating point of the lifting rope of the fixed case and the center of the take-up0The speed sensor detects the value, R is the radius of the winding drum, and g is the gravity acceleration;
step 2: calculating the actual working efficiency of the first rotating shaft when the lifting rope lifts the case based on the step I and the formula (2):
wherein the content of the first and second substances,
the actual working efficiency of the first rotating shaft when the machine case is hoisted by the hoisting rope,
the efficiency of the output of the first rotating shaft when the lifting rope is in no-load state is the tensile strength of the lifting rope, v is the angular velocity of the first rotating shaft when the lifting rope lifts the case, pi is the circumferential rate, T is the actual torque output by the first rotating shaft when the lifting rope lifts the case, F is the tension value detected by the force sensor,
as force sensingThe error coefficient of the device, s represents unit time, and H is the distance between the exit point of the lifting rope in the fixed box and the exit point of the top plate;
step three: the controller compares the actual working efficiency of the first rotating shaft with the preset working efficiency of the first rotating shaft when the lifting rope lifts the case, and if the actual working efficiency of the first rotating shaft is smaller than the preset working efficiency of the first rotating shaft when the lifting rope lifts the case, the alarm gives an alarm.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, through the matching of the second motor, the second rotating shaft, the driving gear, the driven gear, the lead screw, the threaded sleeve, the connecting plate, the connecting rod and the baffle, a user can conveniently adjust the position of the baffle, so that the water inlet pipe is controlled, the user can conveniently sample sewage at different depths at the same time, the working efficiency of the user is greatly improved, the situation that the sampling precision is reduced because the user uses the sampling device for sampling at different depths for multiple times is prevented, and the problem that the traditional sampling device for sewage treatment can not simultaneously sample sewage at different depths is solved.
2. According to the invention, through the matching of the sliding groove and the sliding block, a user can conveniently limit the baffle plate, and meanwhile, the baffle plate is assisted to move, so that the baffle plate can completely block the water inlet pipe, through the matching of the sliding rail and the pulley, the user can conveniently limit the threaded sleeve, and the stability of the threaded sleeve is improved.
3. According to the invention, through the matching of the sealing gasket, sewage which cannot be deeply mixed with each other through a gap is prevented, the sealing property of the sampling box and the partition plate is improved, the sampling box can rapidly submerge through the matching of the balancing weight, a user can conveniently observe the descending depth of the sampling box through the matching of the water level sensor, and the depth of the sampled sewage can be accurately obtained.
4. According to the invention, through the matching of the first buffer spring, a user can buffer the connecting rod conveniently, through the matching of the second buffer spring, the user can buffer the connecting plate conveniently, the connecting plate is prevented from moving too fast, the connecting rod is prevented from moving too fast, the baffle is prevented from moving too fast, and the position of the baffle can be controlled more accurately.
5. According to the invention, the first gear is in meshing transmission with the straight tooth plate, so that the movable rod can move up and down, the guide rod sleeve is slidably sleeved on the vertical section of the L-shaped guide rod, and the L-shaped guide rod moves up and down together with the movable rod, so that the movable rod, the case and the sampling box can form a whole in the stroke above the water surface, the sampling box is prevented from transversely shaking in the stroke above the water surface, and the stability in the placing and lifting process is ensured.
6. According to the invention, through the rolling friction between the embedded steel ball on the connecting rod and the movable rod, when the jack arranged on the movable rod moves to the position of the steel ball, the steel ball is inserted into the jack through the springback of the spring, so that the case, the sampling box and the L-shaped guide rod are prevented from moving too far after forming a whole, and equipment is prevented from being damaged.
7. According to the invention, through the work of the force sensor, the speed sensor, the rotating speed sensor, the alarm and the controller, the actual output efficiency of the first rotating shaft can be calculated, and the alarm is controlled to give an alarm according to the actual output efficiency of the first rotating shaft, so that an operator is reminded to check the abnormity in time, the phenomenon that the first rotating shaft burns out a motor due to idle running caused by winding of foreign matters such as aquatic plants and the like when the sampling box is lifted is avoided, and the breakage of the lifting rope is prevented.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a structural cross-sectional view of the holding box of the present invention;
FIG. 3 is a cross-sectional view of the housing and sample chamber of the present invention;
FIG. 4 is a schematic view of a sampling state of the present invention;
FIG. 5 is an enlarged view of the structure of the region A according to the present invention;
FIG. 6 is a schematic view of a mobile device according to the present invention;
FIG. 7 is an enlarged view of the structure of the region B according to the present invention.
In the figure: 1. a base; 2. a support pillar; 3. a fixed box; 4. a first rotating shaft; 5. a lifting rope; 6. a chassis; 7. a sampling box; 8. an adjustment mechanism; 81. a second motor; 82. a second rotation shaft; 83. a driving gear; 84. a driven gear; 85. a screw rod; 86. a threaded sleeve; 87. a connecting plate; 88. a connecting rod; 89. a baffle plate; 9. a partition plate; 10. a chute; 11. a slider; 12. a slide rail; 13. a pulley; 14. a first motor; 15. a top plate; 151. opening a hole; 16. a movable rod; 161. a spur plate; 162. an L-shaped guide rod; 163. a jack; 17. a guide rod sleeve; 18. an L-shaped connecting rod; 19. a limiting device; 191. a fixed block; 192. a connecting rod; 193. a spring; 194. a baffle plate; 195. steel balls; 20. a support; 21. and a first gear.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-5, an embodiment of the present invention is shown: a sampling device for sewage treatment comprises a base 1, wherein the top of the base 1 is connected (can be bolted) with a support column 2, the top of the support column 2 is connected (can be bolted) with a top plate, the top of the top plate is connected with a fixed box 3, the center of the back of an inner cavity of the fixed box 3 is connected with a first motor 14, an output shaft of the first motor 14 is connected with a first rotating shaft 4, the front of the first rotating shaft 4 is rotatably connected with the front of the inner cavity of the fixed box 3 through a bearing, the surface of the first rotating shaft 4 is connected with a winding drum, the surface of the winding drum is wound with a lifting rope 5, one side of the lifting rope 5, which is far away from the winding drum, sequentially penetrates through the fixed box 3 and the top plate and is connected with a case 6, the bottom of the case 6 is connected with a sampling box 7, the inner cavity of the case 6 is provided with an adjusting mechanism 8, the two sides of the inner cavity, sampling box 7's front is from last all to inlaying in proper order down and is equipped with the outlet pipe, the front of support column 2 is connected with the controller, through second motor 81, second rotation axis 82, driving gear 83, driven gear 84, lead screw 85, thread bush 86, connecting plate 87, connecting rod 88 and baffle 89's cooperation, convenient to use person adjusts the position of baffle 89, thereby control the inlet tube, convenient to use person samples the sewage of the different degree of depth simultaneously, very big improvement user's work efficiency, prevent that the user from using sampling device many times to carry out the different degree of depth sampling simultaneously, cause the precision of sampling to reduce, the problem that traditional sampling device for sewage treatment can not carry out the sampling to the sewage of the different degree of depth simultaneously has been solved.
The adjusting mechanism 8 comprises a second motor 81, a second rotating shaft 82, a driving gear 83, a driven gear 84, a screw rod 85, a threaded sleeve 86, a connecting plate 87, a connecting rod 88 and a baffle 89, the second motor 81 is connected to the top of the right side of the inner cavity of the case 6, the output shaft of the second motor 81 is connected with the second rotating shaft 82, the left side of the second rotating shaft 82 is rotatably connected with the top of the left side of the inner cavity of the case 6 through a bearing, the driving gear 83 is sequentially connected to the surface of the second rotating shaft 82 from left to right, the driven gear 84 is meshed with the left side of the driving gear 83, the inner cavity of the driven gear 84 is connected with the screw rod 85, the bottom of the screw rod 85 is rotatably connected with the two sides of the bottom of the inner cavity of the case 6 through a bearing, the top of the two sides of the inner cavity, one opposite side of the threaded sleeve 86 is connected with a connecting plate 87, the center of the bottom of the connecting plate 87 is connected with a connecting rod 88, the bottom of the connecting rod 88 sequentially penetrates through the case 6, the sampling box 7 and the partition plate 9 and extends downwards, two sides of the connecting rod 88 are sequentially connected with a baffle 89 through a first support from top to bottom, one side of the baffle 89 far away from the first support is movably connected with one opposite end of the water inlet pipe, the baffle 89 is movably connected with one opposite end of the water inlet pipe through a second motor 81, a second rotating shaft 82, a driving gear 83, a driven gear 84, a screw rod 85, the threaded sleeve 86, the connecting plate 87 and the connecting rod 88 and the baffle 89 in a matched mode, a user can conveniently adjust the position of the baffle 89, the water inlet pipe is controlled, the user can conveniently sample sewage at different depths, the, resulting in a reduced sampling accuracy.
The both sides of baffle 9 top and bottom center department all bond and have sealed the pad, and sealed pad one side in opposite directions and the surperficial swing joint of connecting rod 88, through the cooperation of sealed pad, prevent that the sewage of the depth of can not pass through the gap and mix each other, have improved the leakproofness of sampling box 7 and baffle 9.
The bottom of sampling box 7 is connected with the balancing weight, and the bottom on sampling box 7 right side is connected with level sensor, and through the cooperation of balancing weight, the dive that makes sampling box 7 can be quick, through level sensor's cooperation, convenient to use person observes the degree of depth that sampling box 7 descends, the degree of depth that obtains sampling sewage that can be accurate.
The bottom of connecting rod 88 all has connected gradually first buffer spring from a left side to the right side, and first buffer spring's bottom is connected with the both sides of sampling box 7 inner chamber bottom center department, and through first buffer spring's cooperation, convenient to use person cushions connecting rod 88.
Both sides of connecting plate 87 bottom all are connected with second buffer spring, and second buffer spring's bottom is connected with the both sides of quick-witted case 6 inner chamber bottom, and through second buffer spring's cooperation, convenient to use person cushions connecting plate 87, prevents that connecting plate 87 from removing too fast, leads to connecting rod 88 to remove too fast to cause baffle 89 to remove too fast, the position of control baffle 89 that can be more accurate.
The working principle is as follows: during operation, a user turns on the first motor 14 through the controller, the first motor 14 rotates forwards to drive the first rotating shaft 4 to rotate, and further drives the winding drum to unwind the lifting rope 5, the lifting rope 5 is continuously unwound, the machine box 6 and the sampling box 7 are driven to reach the sampling depth through the observation of the water level sensor, then the user turns on the second motor 81 through the controller, at the moment, the second motor 81 rotates forwards to drive the second rotating shaft 82 to rotate, and further drives the driving gear 83 to rotate, and then the driving gear 83 drives the driven gear 84 to rotate, so that the lead screw 85 is driven to rotate, and further the thread sleeve 86 is driven to move upwards, and then the thread sleeve 86 drives the connecting plate 87 to move upwards, so that the connecting rod 88 is driven to move upwards through the bracket, so that the water inlet pipe is exposed, the sewage of the different degree of depth passes through the inlet tube and gets into sampling box 7, and the user opens second motor 81 through the controller afterwards and reverses to drive baffle 89 and remove downwards and plug up the inlet tube, the user opens first motor 14 through the controller afterwards, and first motor 14 reverses afterwards, thereby the winding drum drives lifting rope 5 and upwards moves, and the last user takes out the sewage of the different degree of depth through the outlet pipe.
In one embodiment, further comprising: stabilising arrangement and stop device, stabilising arrangement includes:
an opening 151 is formed in the top plate 15, a movable rod 16 is arranged in the opening 151, a straight tooth plate 161 is arranged on one side of the movable rod 16, the upper end of the movable rod 16 is fixedly connected with one end, far away from the winding drum, of the lifting rope 5, and the lower end of the movable rod 16 is fixedly connected with the case 6;
the first gear 21 is rotationally connected to the bracket 20 at the lower end of the top plate 15 and is positioned on one side of the straight-tooth plate 161, and the straight-tooth plate 161 is in meshing transmission with the first gear 21;
the horizontal end of the L-shaped guide rod 162 is fixedly connected with one end, far away from the first gear 21, of the movable rod 16;
the vertical end of the L-shaped connecting rod 18 is fixedly connected with the lower end of the top plate 15, the horizontal end of the L-shaped connecting rod 18 is fixedly connected with one side of the guide rod sleeve 17, and the guide rod sleeve 17 is sleeved on the vertical section of the L-shaped guide rod 162 in a sliding manner;
the stop device includes: the fixed block 191 is fixedly connected to the lower end of the top plate 15 and is positioned on one side of the movable rod 16;
the connecting rod 192 is arranged on the inner side of the fixed block 191 in a sliding manner, a steel ball 195 is embedded in one end, close to the movable rod 16, of the connecting rod 192, a plurality of insertion holes are formed in one side, close to the steel ball 195, of the movable rod 16 at intervals up and down, and the steel ball 195 is used for being inserted into the insertion hole 163;
the baffle 194 is fixed on the connecting rod 12 and is positioned on one side of the steel ball 195;
and the spring 193 is sleeved on the connecting rod 192 and is positioned between the fixed block 191 and the baffle 194, and two ends of the spring 193 are respectively fixedly connected with the fixed block 191 and the baffle 194.
The working principle and the beneficial effects of the technical scheme are as follows: gear 21 and spur rack 161 meshing transmission, make movable rod 16 activity from top to bottom, guide rod cover 17 slides and cup joints the vertical section at L shape guide arm 162 simultaneously, L shape guide arm 162 is along with the common activity from top to bottom of movable rod 16, play the effect of motion direction, thereby movable rod 16 and quick-witted case 6, sampling box 7 stroke can form a whole more than the surface of water, prevent that sampling box 7 from placing and promoting the surface of water above the stroke in-process transversely rocking, guarantee to place and promote the stability of in-process.
The embedded steel ball on the connecting rod is in rolling friction with the movable rod, when the jack arranged up and down on the movable rod moves to the position of the steel ball, the steel ball is inserted into the jack through springback of the spring, and the case is prevented from moving too far after being integrated with the sampling box and the L-shaped guide rod, so that equipment is prevented from being damaged.
In one embodiment, further comprising:
the force sensor is arranged at one end of the lifting rope 5 connected with the case 6 and used for detecting the pulling force applied by the case 6 to the lifting rope 5;
a rotation speed sensor provided on the first rotating shaft 4 for detecting an actual rotation speed of the first rotating shaft 4;
the speed sensor is arranged on the case 6 and used for detecting the lifting linear speed of the case 6;
the alarm is arranged on the support column 2;
the controller is arranged on the supporting column 2 and is electrically connected with the force sensor, the speed sensor, the rotating speed sensor and the alarm respectively;
the controller controls the alarm to work based on the force sensor, the speed sensor and the rotating speed sensor, and the method comprises the following steps:
step 1: an operator starts the equipment, the controller controls the force sensor, the speed sensor and the rotating speed sensor to detect in real time, and the actual torque output by the first rotating shaft 4 when the lifting rope 5 lifts the case 6 is calculated through a formula (1):
wherein, T is the actual torque output by the first rotating shaft 4 when the lifting rope 5 lifts the case 6, M is the weight of the case 6, M is the weight of the sampling box 7, beta is the dynamic load coefficient when lifting, k is the cross-sectional area of the lifting rope 5, V is the rotating speed of the first rotating shaft detected by the rotating speed sensor, h is the distance between the penetrating point of the lifting rope 5 of the fixed case 3 and the center of the take-up reel, V is the distance between the penetrating point of the lifting rope 5 and the center of the take-up reel, and0g is the gravity acceleration, and is the detection value of the speed sensor;
step 2: calculating the actual working efficiency of the first rotating shaft 4 when the lifting rope 5 lifts the case 6 based on the step one and the formula (2):
wherein the content of the first and second substances,
the actual working efficiency of the first rotating shaft 4 when the machine case 6 is hoisted by the hoist rope 5,
the efficiency of the output of the first rotating shaft 4 when the lifting rope 5 is unloaded, the tensile strength of the lifting rope 5, v the angular velocity of the first rotating shaft 4 when the lifting rope 5 lifts the case 6, pi the circumferential rate, T the actual torque output by the first rotating shaft 4 when the lifting rope 5 lifts the case 6, F the tensile force value detected by the force sensor,
is the error coefficient of the force sensor, s represents unit time, and H is the distance between the exit point of the lifting rope 5 in the fixed box 3 and the exit point of the top plate 15;
step three: the controller compares the actual working efficiency of the first rotating shaft 4 with the preset working efficiency of the first rotating shaft 4 when the lifting rope 5 lifts the case 6, and if the actual working efficiency of the first rotating shaft 4 is smaller than the preset working efficiency of the first rotating shaft 4 when the lifting rope 5 lifts the case 6, the alarm gives an alarm.
The beneficial effects of the above technical scheme are:
through force sensor, speedtransmitter, speed sensor, alarm and controller work, can calculate the actual output efficiency of first rotation axis to control the alarm according to the actual output efficiency of first rotation axis and report to the police, thereby remind the operator in time to look over unusually, avoid winding foreign matter such as pasture and water when lifting by crane the sampling box, lead to first rotation axis idle running to burn out the motor, prevent the lifting rope fracture.
The controller controls the alarm to work based on the force sensor, the speed sensor and the rotating speed sensor, firstly, an operator starts the device, the controller controls the force sensor, the speed sensor and the rotating speed sensor to detect in real time, and calculates the actual torque output by the first rotating shaft 4 when the lifting rope 5 lifts the case 6 through a formula (1), and the influence of factors such as the weight of the case 6, the weight of the sampling case 7, the dynamic load coefficient during lifting, the cross-sectional area of the lifting rope 5, the rotating speed of the first rotating shaft, the distance from the lifting rope 5 of the fixed case 3 to the center of the winding drum, the actual rotating speed of the first rotating shaft 4, the radius of the winding drum and the like on the lifting stress state is considered in the formula (1), so that the calculation result is more reliable; then, the actual working efficiency of the first rotating shaft 4 when the case 6 is lifted by the lifting rope 5 is calculated based on the first step and the formula 2, and the efficiency output by the first rotating shaft 4 when the lifting rope 5 is unloaded, the tensile strength of the lifting rope 5, the angular velocity of the first rotating shaft 4 when the case 6 is lifted by the lifting rope 5, the actual torque output by the first rotating shaft 4 when the case 6 is lifted by the lifting rope 5, the tensile force applied by the fixed case 3 on the lifting rope 5, the error coefficient of the force sensor, H, the influence of factors such as the distance between the exit point of the lifting rope 5 in the fixed case 3 and the exit point of the top plate 15 on the efficiency output by the lifting rope 5, and the like are comprehensively considered in the formula (2), so that the calculation result is more reliable.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (9)
1. The utility model provides a sampling device for sewage treatment, includes base (1), its characterized in that: the top of the base (1) is connected with a supporting column (2), the top of the supporting column (2) is connected with a top plate (15), the top of the top plate (15) is connected with a fixed box (3), the center of the back of an inner cavity of the fixed box (3) is connected with a first motor (14), an output shaft of the first motor (14) is connected with a first rotating shaft (4), the front of the first rotating shaft (4) is rotatably connected with the front of the inner cavity of the fixed box (3) through a bearing, the surface of the first rotating shaft (4) is connected with a winding drum, a lifting rope (5) is wound on the surface of the winding drum, one side, far away from the winding drum, of the lifting rope (5) sequentially penetrates through the fixed box (3) and the top plate (15) and is connected with a case (6), the bottom of the case (6) is connected with a sampling box (7), the inner cavity of, the both sides of sampling box (7) inner chamber are from last to all having connected gradually baffle (9) down, the both sides of sampling box (7) are from last to all inlaying in proper order down and being equipped with the inlet tube, the front of sampling box (7) is from last to all inlaying in proper order down and being equipped with the outlet pipe, the front of support column (2) is connected with the controller.
2. A sampling device for sewage treatment as claimed in claim 1, wherein: the adjusting mechanism (8) comprises a second motor (81), a second rotating shaft (82), a driving gear (83), a driven gear (84), a screw rod (85), a threaded sleeve (86), a connecting plate (87), a connecting rod (88) and a baffle (89), the top on the right side of the inner cavity of the case (6) is connected with the second motor (81), an output shaft of the second motor (81) is connected with the second rotating shaft (82), the left side of the second rotating shaft (82) is rotatably connected with the top on the left side of the inner cavity of the case (6) through a bearing, the surface of the second rotating shaft (82) is sequentially connected with the driving gear (83) from left to right, the driven gear (84) is meshed with the left side of the driving gear (83), the inner cavity of the driven gear (84) is connected with the screw rod (85), the bottom of the screw rod (85) is rotatably connected with two sides of, the top of machine case (6) inner chamber both sides all is connected with the backup pad, and the top of backup pad is passed through the bearing and is connected with the surface rotation of lead screw (85), the surperficial threaded connection of lead screw (85) has thread bush (86), one side in opposite directions of thread bush (86) is connected with connecting plate (87), the center department of connecting plate (87) bottom is connected with connecting rod (88), the bottom of connecting rod (88) runs through quick-witted case (6), sampling case (7) and baffle (9) and downwardly extending in proper order, the both sides of connecting rod (88) are from last to all looping through first leg joint down and are had baffle (89), one side and the inlet tube one end swing joint in opposite directions of first support are kept away from to baffle (89).
3. A sampling device for sewage treatment as claimed in claim 1, wherein: sampling box (7) inner chamber's both sides are from last to all having seted up spout (10) down in proper order, the inner chamber sliding connection of spout (10) has slider (11), slider (11) one side in opposite directions runs through spout (10) and is connected with one side that first support was kept away from to baffle (89), slide rail (12) have all been seted up to the bottom of quick-witted case (6) inner chamber both sides, the sliding surface of slide rail (12) is connected with pulley (13), pulley (13) one side in opposite directions is connected through one side that connecting plate (87) were kept away from to second support and thread bush (86).
4. A sampling device for sewage treatment as claimed in claim 1, wherein: the two sides of the center of the top and the bottom of the clapboard (9) are respectively bonded with a sealing gasket, and one opposite side of the sealing gasket is movably connected with the surface of the connecting rod (88).
5. A sampling device for sewage treatment as claimed in claim 1, wherein: the bottom of sampling case (7) is connected with the balancing weight, the bottom on sampling case (7) right side is connected with water level sensor.
6. A sampling device for sewage treatment as claimed in claim 2, wherein: the bottom of connecting rod (88) all is connected with first buffer spring from a left side to the right side in proper order, and the bottom of first buffer spring is connected with the both sides of sampling box (7) inner chamber bottom center department.
7. The sampling device for sewage treatment as set forth in claim 2, wherein the second buffer spring is connected to both sides of the bottom of the connecting plate (87), and the bottom of the second buffer spring is connected to both sides of the bottom of the inner cavity of the cabinet (6).
8. A sampling device for sewage treatment as claimed in claim 1, wherein:
further comprising: stabilising arrangement and stop device, stabilising arrangement includes:
the lifting rope winding machine is characterized in that a hole (151) is formed in the top plate (15), a movable rod (16) is arranged in the hole (151), a straight tooth plate (161) is arranged on one side of the movable rod (16), the upper end of the movable rod (16) is fixedly connected with one end, far away from the winding drum, of the lifting rope (5), and the lower end of the movable rod (16) is fixedly connected with the machine box (6);
the first gear (21) is rotatably connected to a support (20) at the lower end of the top plate (15) and located on one side of the straight-tooth plate (161), and the straight-tooth plate (161) is in meshing transmission with the first gear (21);
the horizontal end of the L-shaped guide rod (162) is fixedly connected with one end, far away from the first gear (21), of the movable rod (16);
the vertical end of the L-shaped connecting rod (18) is fixedly connected with the lower end of the top plate (15), the horizontal end of the L-shaped connecting rod (18) is fixedly connected with one side of a guide rod sleeve (17), and the guide rod sleeve (17) is slidably sleeved on the vertical section of the L-shaped guide rod (162);
the stop device includes: the fixed block (191) is fixedly connected to the lower end of the top plate (15) and is positioned on one side of the movable rod (16);
the connecting rod (192) is arranged on the inner side of the fixed block (191) in a sliding mode, a steel ball (195) is embedded in one end, close to the movable rod (16), of the connecting rod (192), a plurality of insertion holes are formed in one side, close to the steel ball (195), of the movable rod (16) at intervals up and down, and the steel ball (195) is used for being inserted into the insertion hole (163);
the baffle plate (194), the baffle plate (194) is fixed on the connecting rod (12), and is positioned on one side of the steel ball (195);
the spring (193) is sleeved on the connecting rod (192) and located between the fixing block (191) and the baffle (194), and two ends of the spring (193) are fixedly connected with the fixing block (191) and the baffle (194) respectively.
9. A sampling device for sewage treatment as claimed in claim 1, wherein: further comprising:
the force sensor is arranged at one end, connected with the case (6), of the lifting rope (5) and used for detecting the tensile force applied by the case (6) to the lifting rope (5);
a rotational speed sensor provided on the first rotating shaft (4) for detecting an actual rotational speed of the first rotating shaft (4);
the speed sensor is arranged on the case (6) and used for detecting the lifting linear speed of the case (6);
the alarm is arranged on the supporting column (2);
the controller is arranged on the supporting column (2), and is electrically connected with the force sensor, the speed sensor, the rotating speed sensor and the alarm respectively;
the controller controls the alarm to work based on the force sensor, the speed sensor and the rotating speed sensor, and the method comprises the following steps:
step 1: an operator starts the equipment, the controller controls the force sensor, the speed sensor and the rotating speed sensor to detect in real time, and the actual torque output by the first rotating shaft (4) when the lifting rope (5) lifts the case (6) is calculated through a formula (1):
wherein T is the actual torque output by the first rotating shaft (4) when the case (6) is lifted by the lifting rope (5), M is the weight of the case (6), M is the weight of the sampling box (7), beta is the dynamic load coefficient during lifting, k is the cross-sectional area of the lifting rope (5), V is the rotating speed of the first rotating shaft detected by the rotating speed sensor, h is the distance between the penetrating point of the lifting rope (5) of the fixed box (3) and the center of the winding drum, and V is the distance between the penetrating point of the lifting rope (5) of the fixed box (3) and the center of the winding drum0The speed sensor detects the value, R is the radius of the winding drum, and g is the gravity acceleration;
step 2: calculating the actual working efficiency of the first rotating shaft (4) when the lifting rope (5) lifts the case (6) based on the step one and the formula (2):
wherein the content of the first and second substances,
the actual working efficiency of the first rotating shaft (4) when the case (6) is hoisted by the hoisting rope (5),
the efficiency of the output of the first rotating shaft (4) when the lifting rope (5) is unloaded is shown as the tensile strength of the lifting rope (5), v is the angular velocity of the first rotating shaft (4) when the case (6) is lifted by the lifting rope (5), pi is the circumferential rate, T is the actual torque output by the first rotating shaft (4) when the case (6) is lifted by the lifting rope (5), and F is the tensile force value detected by the force sensor,
the error coefficient of the force sensor is shown as s, unit time is shown as H, and the distance between the penetrating point of the lifting rope (5) in the fixed box (3) and the penetrating point of the top plate (15) is shown as H;
step three: the controller compares the actual work efficiency of the first rotating shaft (4) with the preset work efficiency of the first rotating shaft (4) when the case (6) is lifted by the lifting rope (5), if the actual work efficiency of the first rotating shaft (4) is smaller than the preset work efficiency of the first rotating shaft (4) when the case (6) is lifted by the lifting rope (5), the alarm gives an alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011172192.6A CN112129578A (en) | 2020-10-28 | 2020-10-28 | Sampling device for sewage treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011172192.6A CN112129578A (en) | 2020-10-28 | 2020-10-28 | Sampling device for sewage treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112129578A true CN112129578A (en) | 2020-12-25 |
Family
ID=73852846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011172192.6A Withdrawn CN112129578A (en) | 2020-10-28 | 2020-10-28 | Sampling device for sewage treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112129578A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113218708A (en) * | 2021-04-29 | 2021-08-06 | 华北水利水电大学 | Groundwater sewage sampling collection device convenient to segmentation is gathered |
| CN114236086A (en) * | 2022-02-21 | 2022-03-25 | 深圳市水务工程检测有限公司 | Floating water quality sampling monitoring equipment for monitoring urban water source |
-
2020
- 2020-10-28 CN CN202011172192.6A patent/CN112129578A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113218708A (en) * | 2021-04-29 | 2021-08-06 | 华北水利水电大学 | Groundwater sewage sampling collection device convenient to segmentation is gathered |
| CN113218708B (en) * | 2021-04-29 | 2023-11-14 | 华北水利水电大学 | Groundwater sewage sampling collection device convenient to segmentation gathers |
| CN114236086A (en) * | 2022-02-21 | 2022-03-25 | 深圳市水务工程检测有限公司 | Floating water quality sampling monitoring equipment for monitoring urban water source |
| CN114236086B (en) * | 2022-02-21 | 2022-05-13 | 深圳市水务工程检测有限公司 | Floating water quality sampling monitoring equipment for monitoring urban water source |
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Application publication date: 20201225 |