CN114002020A - Underground water sampling pretreatment device - Google Patents
Underground water sampling pretreatment device Download PDFInfo
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- CN114002020A CN114002020A CN202111293616.9A CN202111293616A CN114002020A CN 114002020 A CN114002020 A CN 114002020A CN 202111293616 A CN202111293616 A CN 202111293616A CN 114002020 A CN114002020 A CN 114002020A
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- 238000005070 sampling Methods 0.000 title claims abstract description 59
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 47
- 239000003673 groundwater Substances 0.000 claims abstract description 27
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 19
- 239000010959 steel Substances 0.000 claims description 19
- 230000002146 bilateral effect Effects 0.000 claims description 9
- 238000003860 storage Methods 0.000 claims description 9
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 6
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 6
- 241001330002 Bambuseae Species 0.000 claims description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 6
- 239000011425 bamboo Substances 0.000 claims description 6
- 229920001971 elastomer Polymers 0.000 claims description 6
- 241001233242 Lontra Species 0.000 claims description 3
- 239000002689 soil Substances 0.000 abstract description 9
- 238000001514 detection method Methods 0.000 abstract description 4
- 239000012535 impurity Substances 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 3
- 239000004568 cement Substances 0.000 description 19
- 230000008901 benefit Effects 0.000 description 7
- 230000002035 prolonged effect Effects 0.000 description 6
- 230000001360 synchronised effect Effects 0.000 description 5
- 238000012544 monitoring process Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000008235 industrial water Substances 0.000 description 1
- 239000003621 irrigation water Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003809 water extraction Methods 0.000 description 1
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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
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
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Abstract
The invention relates to the field of underground water sampling detection, in particular to an underground water sampling pretreatment device which comprises a cross arm, a supporting piece, an inserted link and a placing mechanism, the cross arms are symmetrically arranged in the front and back direction, the left end and the right end of each cross arm are symmetrically provided with the supporting parts, the cross arms are vertical to the supporting parts, the lower ends of the supporting parts are rotatably provided with the inserted rods, and the placing mechanism is arranged between the cross arms. Thereby being better adapted to the working environment of groundwater sampling, under the condition of not hindering groundwater from being filled with the sampling tube, the sampling tube can be protected from damage caused by direct impact of the sampling tube on the wall of the hole, and substances such as soil falling off due to impact fall into the sampling tube, and simultaneously, large-volume impurities in the pit can be prevented from influencing the use of the sampling tube.
Description
Technical Field
The invention relates to the field of underground water sampling detection, in particular to an underground water sampling pretreatment device.
Background
The groundwater refers to water existing in rock gaps below the ground, and in a narrow sense refers to water in a saturated aquifer below the surface of the groundwater, and can be developed and utilized as a water source for domestic water, industrial water and farmland irrigation water for residents, has the advantages of stable water supply and low pollution, contains special chemical components or groundwater with high water temperature, and can also be used as a raw material for medical treatment, heat sources, beverages and extraction of useful elements.
Groundwater monitoring is an important component in the field of environmental monitoring, and provides high-quality services for optimal configuration, scientific management of groundwater resources, prevention and treatment of geological disasters and protection of ecological environment.
The underground water monitoring object is preferably the existing water well, pit hole, underground water natural dew and the like, the underground water monitoring method mainly comprises the steps of sampling the underground water and then analyzing the physical and chemical components of the sample, but the following problems can occur in the underground water sampling process: the existing device is more suitable for being directly fixed on the ground, and when the well has a structure of cement enclosure, the device is difficult to realize fixation, so the application surface of the device is narrow, and meanwhile, the sampling tool is easy to collide with the hole wall during the sampling of underground water, and the collision easily causes the possibility of breakage of the sampling tool or causes the falling object of the hole wall to enter the sampling tool, thereby influencing the sampling and detection results of subsequent underground water.
Disclosure of Invention
In order to solve the technical problem, the invention provides a pretreatment device for underground water sampling, which comprises cross arms, supporting pieces, inserting rods and placing mechanisms, wherein the cross arms are symmetrically arranged in front and back, the supporting pieces are symmetrically arranged at the left end and the right end of the cross arms, the cross arms are perpendicular to the supporting pieces, the inserting rods are rotatably arranged at the lower ends of the supporting pieces, and the placing mechanisms are arranged between the cross arms.
The placing mechanism comprises a motor, a rotating shaft, a first belt, a second belt, a steel rope, a handle, a top cover, a grid basket, a clamping shaft, a placing barrel and a screen plate, the motor is installed between the upper ends of cross arms, the rotating shafts are symmetrically installed between the cross arms in a bilateral mode, the first belt is connected between the front ends of the rotating shafts, the second belt is connected between the foremost end of the rotating shaft at the left end of the belt and the output shaft end of the motor, the second belt is located on the front side of the first belt, the steel rope is wound in the middle of the rotating shafts, the movable end of the steel rope is wound on the handle, the grid basket is arranged below the motor, the top cover is clamped at the upper end of the grid basket, the handle is installed on the upper end face of the same top cover, the clamping shaft is symmetrically clamped at the front end and the rear end of the top cover, one end, close to the center of the top cover, of the clamping shaft, which is symmetrically arranged in a bilateral mode, is clamped with the upper end of the grid basket, the placing barrel is placed in the grid basket in an equidistance from left to right direction, the upper end of the object placing barrel is provided with a circular screen plate in a thread matching mode, and the upper end surface of the screen plate is not contacted with the upper end of the top cover.
The sampling tube is vertically placed into the object placing barrel and is fully filled with the object placing barrel through a manual mode, then the installation of the screen plate and the connection between the top cover and the grid basket are sequentially carried out, then the clamping shaft is inserted to fix the top cover, then the movable end of the steel rope is fastened on the handle through a manual mode, at the moment, the grid basket and the top cover are integrally lifted, when underground water in the pit needs to be extracted, the inserted rod is manually rotated while being inserted into soil beside the pit so as to fix the whole device, the grid basket is hung in the pit, then the rotating shaft is driven to synchronously rotate through the motor, the rotating shaft synchronously unreels the steel rope, the grid basket synchronously and gradually goes deep into the pit until the top cover is submerged into the underground water in the pit, the underground water is fully filled with the grid basket, the object placing barrel and the sampling tube, the underground water extraction work is finished, then the rotating shaft is driven to synchronously rotate through the motor, and the rotating shaft synchronously winds the steel rope, until the grid basket is pulled out of the pot hole, the clamping shaft, the top cover and the screen plate are sequentially detached through a manual mode, the sampling tube is taken out immediately, when the upper end of the pot hole is provided with a cement enclosure, namely, the sampling tube is similar to a well structure, the horizontal arm is arranged at the upper end of the cement enclosure through a cross arm between manual modes, and the subsequent underground water sampling operation is the same as the operation.
The first preferred technical scheme is as follows: support piece's upper end rotate with the side of cross arm through the round pin axle and be connected, No. one slot has been seted up to support piece's upper end, the terminal surface bilateral symmetry has seted up No. two slot groups before the cross arm, the quantity of No. two slots of every group is two, adjacent No. two slots are mutually perpendicular, the joint has the picture peg between No. two slots that a slot and position correspond, when the cement that is equipped with on the pothole upper end encloses the diameter of keeping off great, extract the picture peg through the manual work mode, then upwards rotate support piece to its horizontality that is, total transverse dimension between support piece and the cross arm has obtained the extension, insert the picture peg relevant position so that support piece keeps the level afterwards.
The preferred technical scheme is as follows: the supporting piece comprises an internal plate, an external plate, a T-shaped plate and a limiting rod, wherein a first slot is formed in the upper end of the internal plate, the T-shaped plate is symmetrically and rotatably arranged at the lower end of the internal plate in a front-back manner through a pin shaft, the T-shaped plate is slidably arranged in the external plate with a hollow structure in the middle, a hole groove is formed in the lower end of the front end face of the internal plate and is positioned above the T-shaped plate, the limiting rod is clamped between the hole groove and the upper end of the external plate and is perpendicular to the external plate, when one person fixes the external plate, the cross arm is lifted upwards by the other person and drives the internal plate to synchronously move, the internal plate drives the T-shaped plate to synchronously move, the total lengths of the internal plate and the external plate are prolonged, after the hole groove at the lower end of the internal plate moves to a corresponding position, the limiting rod is manually inserted so that the internal plate and the external plate are relatively fixed, and then the inserting rod is manually inserted into soil beside the pothole while rotating, in summary, the overall longitudinal length of the support member may be extended to facilitate easier removal of the mesh basket by an operator and to improve the efficiency of groundwater sampling.
The preferred technical scheme is three: the lower terminal surface of cross arm and the side end face that external board is close to the net basket all install the rubber strip, the rubber strip can improve the cement that cross arm and pot hole upper end were equipped with and enclose the frictional force between the fender to this improves the stability of cross arm on cement encloses the fender, and then reduces the influence rate of external factor to groundwater sample work.
The preferable technical scheme is four: the net basket from last down the equidistance arrange, the handle is installed at the up end of the nearest top cap apart from the cross arm, link to each other through the expansion plate between the up end of the lower terminal surface of adjacent net basket and top cap, the left and right symmetry of expansion plate arranges, the joint has the axostylus axostyle between the canned paragraph of expansion plate and its flexible section, the joint through-hole has been seted up from last down the equidistance to the front end of expansion plate, the axostylus axostyle is located the joint through-hole, the net basket is provided with a plurality of benefits and does: can realize the synchronous independent sample of the groundwater of the different degree of depth department, and then do benefit to the accuracy that improves follow-up same place groundwater sample testing result, can change the distance between the adjacent net basket through the cooperation between expansion plate and the axostylus axostyle, the device obtains expanding to the sample depth range of groundwater on this basis.
The preferred technical scheme is five: both ends are extending structure about the cross arm, when the diameter of the pot hole that is not equipped with cement and encloses the fender is great, accessible manual mode pulling the side of cross arm so that the total horizontal length of cross arm increases to the device can span and fix in the pot hole upper end.
The preferred technical scheme is six: the lower end of the front end face of the T-shaped plate is provided with a first through groove, one side of the T-shaped plate close to the grid basket is provided with a second through groove, the lower end of the front end face of the built-in plate is provided with the second through groove, the first through groove is vertical to the second through groove, when the diameter of a pit hole without a cement barrier is too large, the plugboard is pulled out in a manual mode on the basis that the cross arm is extended, then the supporting piece is rotated upwards to be in a horizontal state, the total transverse size between the supporting piece and the cross arm is extended, then the cross arm is lifted upwards by another person under the condition that one person fixes the external plate, the cross arm drives the built-in plate to move synchronously, the built-in plate drives the T-shaped plate to move synchronously, the total length of the built-in plate and the external plate is extended, when the lower end of the built-in plate is positioned above the external plate, the external plate is rotated downwards in a manual mode, the external plate drives the T-shaped plate to rotate synchronously, until the external board is vertical to the internal board, the clamping board matched with the one-number through groove is inserted to relatively fix the internal board and the external board, so that the distance between the inserted rods is sufficiently enlarged, and then the inserted rods are manually rotated to be inserted into soil beside the pot hole.
The preferred technical scheme is seven: the upper end bilateral symmetry of the flexible section of expansion plate install the extension board, the extension board passes through the bolt and links to each other with the lower extreme of grid basket, under the condition with the help of extension board, bolt, expansion plate, can select whether to assemble a plurality of grid baskets according to the actual sampling condition, the holistic carrying and the transportation of device of also being convenient for simultaneously.
The preferred technical scheme is eight: the inner diapire of net basket turn right from a left side and seted up round recess equidistantly, put and link to each other through the screw-thread fit mode between the lower extreme of a thing section of thick bamboo and the round recess, the swing joint mode of taking between a thing section of thick bamboo and the net basket can be convenient for to net basket and put a thing section of thick bamboo and clean comprehensively to avoid surperficial adnexed impurity to influence groundwater sample test result.
The invention has the following beneficial effects: 1. the underground water sampling pretreatment device adopts a double-fixing mode and a multi-protection design concept, has double functions of direct ground fixing and hoisting, and can better adapt to the working environment of underground water sampling.
2. The grid basket of the present invention provides a number of benefits: can realize the synchronous independent sample of the groundwater of the different degree of depth department, and then do benefit to the accuracy that improves follow-up same department groundwater sample testing result, can change the distance between the adjacent net basket through the cooperation between expansion plate and the axostylus axostyle simultaneously, the device obtains enlarging to the sample depth range of groundwater on this basis.
3. The total transverse size between the supporting piece and the cross arm and the total longitudinal length of the supporting piece can be prolonged, on the basis, the adaptability of the whole device to the field is improved, and the dismounting operation of the grid basket is more convenient.
4. The movable connection mode among the extension plate, the bolt and the expansion plate can be used for conveniently selecting whether to assemble a plurality of grid baskets according to the actual sampling condition, and is convenient for carrying and transporting the whole device.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic perspective view of the present invention.
FIG. 2 is an overall perspective view of a mesh basket, canister with sampling tubes, and mesh plate.
Fig. 3 is a front view of fig. 1.
Fig. 4 is a perspective view of a mesh basket and a structure connected to the lower end of the mesh basket.
Fig. 5 is a left side view of fig. 1.
Fig. 6 is a sectional view taken along line a-a of fig. 3.
Fig. 7 is a sectional view taken along line B-B of fig. 5.
Fig. 8 is a perspective view of the cross arm, the connecting structure of the middle portion of the cross arm and the supporting member.
Fig. 9 is a cross-sectional view taken along line C-C of fig. 5.
In the figure: 1. a cross arm; 10. a rubber strip; 2. a support member; 20. inserting plates; 21. a built-in plate; 22. an external plate; 23. a T-shaped plate; 24. a limiting rod; 3. inserting a rod; 4. a placement mechanism; 40. a motor; 41. a rotating shaft; 42. a first belt; 43. a second belt; 44. a steel cord; 45. a handle; 46. a top cover; 47. a grid basket; 470. a retractable plate; 471. a shaft lever; 472. an extension plate; 473. a bolt; 48. clamping a shaft; 49. a storage barrel; 490. a mesh plate.
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.
Referring to fig. 1 and 5, a pretreatment device for underground water sampling comprises a cross arm 1, support members 2, insertion rods 3 and a placing mechanism 4, wherein the cross arm 1 is symmetrically arranged in front and back, the support members 2 are symmetrically arranged at the left end and the right end of the cross arm 1, the cross arm 1 is perpendicular to the support members 2, the insertion rods 3 are rotatably arranged at the lower ends of the support members 2, and the placing mechanism 4 is arranged between the cross arms 1.
Referring to fig. 1, 2, 3 and 8, the placing mechanism 4 includes a motor 40, a rotating shaft 41, a first belt 42, a second belt 43, steel ropes 44, a handle 45, a top cover 46, a grid basket 47, a clamping shaft 48, a storage barrel 49 and a screen 490, the motor 40 is installed between the upper ends of the cross arms 1, the rotating shaft 41 is installed between the cross arms 1 in a left-right symmetrical manner, the first belt 42 is connected between the front ends of the rotating shaft 41, the second belt 43 is connected between the foremost end of the rotating shaft 41 at the left end of the belt and the output shaft end of the motor 40, the second belt 43 is located at the front side of the first belt 42, the steel ropes 44 are wound around the middle part of the rotating shaft 41, the movable end of the steel ropes 44 is wound around the handle 45, the grid basket 47 is arranged below the motor 40, the top cover 46 is clamped at the upper end of the grid basket 47, the handle 45 is installed at the upper end face of the same top cover 46, the clamping shaft 48 is symmetrically clamped at the front and rear ends of the top cover 46, the clamping shafts 48 are arranged in a bilateral symmetry mode, one ends of the clamping shafts, close to the center of the top cover 46, are clamped with the upper end of the grid basket 47, the object placing cylinders 49 are placed in the grid basket 47 at equal intervals from left to right, the upper ends of the object placing cylinders 49 are provided with the circular screen plate 490 in a threaded matching mode, and the upper end face of the screen plate 490 is not contacted with the upper end of the top cover 46.
The sampling pipe is vertically placed into the object placing barrel 49 and is filled with the object placing barrel 49 through a manual mode, then the installation of the screen plate 490 and the connection between the top cover 46 and the grid basket 47 are sequentially carried out, then the clamping shaft 48 is inserted to fix the top cover 46, then the movable end of the steel rope 44 is fastened on the handle 45 through a manual mode, at the moment, the grid basket 47 and the top cover 46 are integrally lifted, when the underground water in the pit needs to be extracted, the inserting rod 3 is manually rotated to be inserted into the soil beside the pit so as to fix the whole device, the grid basket 47 is lifted in the pit, then the rotating shaft 41 is driven by the motor 40 to synchronously rotate, the steel rope 44 is synchronously unwound by the rotating shaft 41, the grid basket 47 gradually penetrates into the pit until the top cover 46 is immersed into the underground water in the pit, the underground water is filled with the grid basket 47, the object placing barrel 49 and the sampling pipe, and the extraction work is completed, then drive pivot 41 synchronous rotation through motor 40, pivot 41 synchronous rolling steel cable 44, until grid basket 47 is pulled out the pot hole, later pull down card axle 48, top cap 46 and otter board 490 in proper order through the manual mode, take out the sampling tube immediately, when the pot hole upper end was equipped with cement and encloses the fender, when similar well structure promptly, through the manual mode between cross arm 1 horizontal arm at the upper end that cement encloses the fender, the groundwater sampling operation afterwards is the same with above-mentioned operation.
Compare with direct hoist and mount sampling tube taking a sample groundwater, the net basket 47 that sets up in this device with put a thing section of thick bamboo 49 and be not hindering under the circumstances that groundwater was full of the sampling tube, can play the effect of protection to the sampling tube, in order to avoid the sampling tube direct striking hole wall and take place the damage, and drop material such as soil because of the striking and fall into in the sampling tube, big volume debris in the net basket 47 also can the separation hole influences the sampling tube and uses, the device wholly possesses ground snap-on and hoist and mount dual function simultaneously, and then the operational environment of adaptation groundwater sample that can be better.
Referring to fig. 3 and 4, grid basket 47 from last down equidistance arrange, handle 45 installs the up end at the top cap 46 nearest apart from cross arm 1, link to each other through expansion plate 470 between the up end of lower terminal surface of adjacent grid basket 47 and top cap 46, expansion plate 470 bilateral symmetry arranges, the joint has axostylus axostyle 471 between the fixed section of expansion plate 470 and the expansion section thereof, the joint through-hole has been seted up from last down equidistance to the front end of expansion plate 470, axostylus axostyle 471 is located the joint through-hole, grid basket 47 is provided with a plurality of benefits and does: can realize the synchronous independent sample of the groundwater of the different degree of depth department, and then do benefit to the accuracy that improves follow-up same place groundwater sample testing result, can change the distance between the adjacent grid basket 47 through the cooperation between expansion plate 470 and axostylus axostyle 471, the device obtains expanding to the sample depth range of groundwater on this basis.
Referring to fig. 6, 7 and 9, circular grooves are equidistantly formed in the inner bottom wall of the grid basket 47 from left to right, the lower end of the storage barrel 49 is connected with the circular grooves in a threaded fit manner, and the movable connection manner between the storage barrel 49 and the grid basket 47 can facilitate the comprehensive cleaning of the grid basket 47 and the storage barrel 49 so as to prevent impurities attached to the surface from influencing the groundwater sampling detection result.
Referring to fig. 3 and 4, the extension plates 472 are symmetrically installed at the upper ends of the extension sections of the extension plates 470, the extension plates 472 are connected to the lower ends of the mesh baskets 47 through bolts 473, and in the case of using the extension plates 472, the bolts 473 and the extension plates 470, whether to assemble a plurality of mesh baskets 47 can be selected according to actual sampling conditions, and the carrying and transportation of the whole device are facilitated.
Referring to fig. 1 and 8, the upper end of the supporting member 2 is rotatably connected with the side end of the cross arm 1 through a pin shaft, the upper end of the supporting member 2 is provided with a first slot, the front end surface of the cross arm 1 is bilaterally symmetrical to form a second slot group, the number of the second slots in each group is two, the adjacent second slots are perpendicular to each other, an inserting plate 20 is clamped between the first slot and the second slot corresponding to the first slot, when the diameter of the cement enclosure arranged at the upper end of the pit hole is large, the inserting plate 20 is manually pulled out, then the supporting member 2 is upwardly rotated to be in a horizontal state, the total transverse size between the supporting member 2 and the cross arm 1 is prolonged, and then the inserting plate 20 is inserted into a corresponding position so that the supporting member 2 is kept horizontal.
Referring to fig. 3, 7, 8 and 9, the support member 2 includes an internal plate 21, an external plate 22, a T-shaped plate 23 and a limit rod 24, a first slot is formed at the upper end of the internal plate 21, the lower end of the internal plate 21 is rotationally and symmetrically provided with the T-shaped plate 23 by a pin, the T-shaped plate 23 is slidably installed in the external plate 22 with a hollow middle portion, the lower end of the front end surface of the internal plate 21 is provided with a hole slot, the hole slot is located above the T-shaped plate 23, the limit rod 24 is clamped between the hole slot and the upper end of the external plate 22, the limit rod 24 is perpendicular to the external plate 22, when one person fixes the external plate 22, the cross arm 1 is lifted upwards by another person, the cross arm 1 drives the internal plate 21 to synchronously move, the internal plate 21 drives the T-shaped plate 23 to synchronously move, the total length of the internal plate 21 and the external plate 22 is prolonged, when the hole slot at the lower end of the internal plate 21 moves to a corresponding position, insert the gag lever post 24 so that obtain relatively fixed between built-in board 21 and the external board 22 through the manual mode, rotate the inserted bar 3 simultaneously through the manual mode afterwards and make it insert in the soil beside the pot hole, in general, the total longitudinal length of support piece 2 can prolong to make the operating efficiency of groundwater sample obtain improving by the more convenient dismouting grid basket 47 of operating personnel.
Referring to fig. 8, the lower end of the front end face of the T-shaped plate 23 is provided with a first through groove, one side of the T-shaped plate 23 close to the grid basket 47 is provided with a second through groove, the second through groove is provided at the lower end of the front end face of the built-in plate 21, the first through groove is perpendicular to the second through groove, when the diameter of a pot hole without a cement barrier is too large, the flashboard 20 is pulled out by a manual mode on the basis that the cross arm 1 is extended, then the supporting piece 2 is rotated upwards to be in a horizontal state, the total transverse dimension between the supporting piece 2 and the cross arm 1 is extended, then under the condition that one person fixes the external plate 22, the cross arm 1 is lifted upwards by another person, the cross arm 1 drives the internal plate 21 to move synchronously, the internal plate 21 drives the T-shaped plate 23 to move synchronously, the total length of the internal plate 21 and the external plate 22 is extended, when the lower end of the internal plate 21 is located above the external plate 22, the external plate 22 is rotated downwards in a manual mode, the external plate 22 drives the T-shaped plate 23 to rotate synchronously until the external plate 22 is perpendicular to the internal plate 21, a clamping plate matched with the one-number through groove is inserted to fix the internal plate 21 and the external plate 22 relatively, so far, the distance between the inserted rods 3 is expanded sufficiently, and then the inserted rods 3 are rotated in a manual mode and inserted into soil beside the pot hole.
Referring to fig. 1 and 8, rubber strips 10 are mounted on the lower end surface of the cross arm 1 and the side end surface of the external plate 22 close to the grid basket 47, and the rubber strips 10 can improve the friction force between the cross arm 1 and a cement enclosure arranged at the upper end of the pot hole, so that the stability of the cross arm 1 on the cement enclosure is improved, and the influence rate of external factors on groundwater sampling work is reduced.
Referring to fig. 8, the left and right ends of the cross arm 1 are both of a telescopic structure, and when the diameter of the pot hole without the cement enclosure is larger, the side end of the cross arm 1 can be pulled manually to increase the total transverse length of the cross arm 1, so that the device can span and be fixed at the upper end of the pot hole.
When the underground water sampling pretreatment device works, in the first step, under the condition that one person fixes the external plate 22, the cross arm 1 is lifted upwards by the other person, the cross arm 1 drives the internal plate 21 to move synchronously, the internal plate 21 drives the T-shaped plate 23 to move synchronously, the total length of the internal plate 21 and the external plate 22 is prolonged, and after the hole groove at the lower end of the internal plate 21 moves to a corresponding position, the limiting rod 24 is inserted manually to enable the internal plate 21 and the external plate 22 to be fixed relatively.
Secondly, vertically putting the sampling tube into the storage barrel 49 and fully filling the storage barrel 49 through a manual mode, then sequentially installing the screen plate 490 and connecting the top cover 46 and the grid basket 47, then inserting the clamping shaft 48 to fix the top cover 46, assembling a corresponding number of grid baskets 47 by using the extension plate 472, the bolts 473 and the expansion plates 470 according to the actual sampling condition, then fastening the movable end of the steel rope 44 on the handle 45 through a manual mode, then putting the whole grid basket 47 into the pot hole, and hoisting the whole grid basket 47 and the top cover 46.
Thirdly, when the underground water in the pot hole needs to be pumped, the inserted link 3 is manually rotated to be inserted into the soil beside the pot hole, so that the whole device is fixed, the grid basket 47 is hung in the pot hole, then the rotating shaft 41 is driven by the motor 40 to synchronously rotate, the rotating shaft 41 synchronously unreels the steel rope 44, the grid basket 47 synchronously and gradually penetrates into the pot hole until the top cover 46 is immersed into the underground water in the pot hole, the underground water is filled in the grid basket 47, the object placing barrel 49 and the sampling pipe, so that the underground water pumping work is completed, then the rotating shaft 41 is driven by the motor 40 to synchronously rotate, the rotating shaft 41 synchronously winds the steel rope 44 until the grid basket 47 is pulled out of the pot hole, then the clamping shaft 48, the top cover 46 and the screen plate 490 are sequentially detached by manual mode, the sampling pipe filled with the underground water is taken out, if the diameter of the pot hole is larger, the side end of the cross arm 1 can be manually pulled to increase the total transverse length of the cross arm 1, i.e. increasing the distance between the plungers 3.
If the diameter of the pot hole is too large, the inserting plate 20 is pulled out manually on the basis that the cross arm 1 is extended, then the supporting piece 2 is rotated upwards to be in a horizontal state, the total transverse dimension between the supporting piece 2 and the cross arm 1 is extended, then under the condition that one person fixes the external plate 22, the cross arm 1 is lifted upwards by another person, the cross arm 1 drives the internal plate 21 to move synchronously, the internal plate 21 drives the T-shaped plate 23 to move synchronously, the total length of the internal plate 21 and the external plate 22 is extended, when the lower end of the internal plate 21 is positioned above the external plate 22, the external plate 22 is rotated downwards manually, the T-shaped plate 23 is driven by the external plate 22 to rotate synchronously until the external plate 22 is vertical to the internal plate 21, the clamping plate matched with the one-size through slot is inserted to fix the internal plate 21 and the external plate 22 relatively, the distance between the plungers 3 is sufficiently enlarged.
When the upper end of the pot hole is provided with a cement enclosure, namely a structure similar to a water well, the cross arm 1 is horizontally supported at the upper end of the cement enclosure in a manual mode, the subsequent underground water sampling operation is the same as the operation, if the diameter of the cement enclosure is larger, the inserting plate 20 is pulled out in a manual mode, then the supporting piece 2 is rotated upwards to be in a horizontal state, the total transverse dimension between the supporting piece 2 and the cross arm 1 is prolonged, and meanwhile, the cross arm 1 can be lengthened to further increase the total transverse dimension between the supporting piece 2 and the cross arm 1, so that the cross arm 1 can be supported at the upper end of the cement enclosure.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a processing apparatus before groundwater sample, includes cross arm (1), support piece (2), inserted bar (3) and places mechanism (4), its characterized in that: the cross arms (1) are symmetrically arranged in the front and back direction, the left end and the right end of each cross arm (1) are symmetrically provided with supporting pieces (2), the cross arms (1) are vertical to the supporting pieces (2), the lower ends of the supporting pieces (2) are rotatably provided with inserted rods (3), and a placing mechanism (4) is arranged between the cross arms (1);
the placing mechanism (4) comprises a motor (40), a rotating shaft (41), a first belt (42), a second belt (43), a steel rope (44), a handle (45), a top cover (46), a grid basket (47), a clamping shaft (48), a storage barrel (49) and a screen plate (490), wherein the motor (40) is installed between the upper ends of cross arms (1), the rotating shaft (41) is installed between the cross arms (1) in a bilaterally symmetrical mode, the first belt (42) is connected between the front ends of the rotating shaft (41), the second belt (43) is connected between the foremost end of the rotating shaft (41) at the left end of the belt and the output shaft end of the motor (40), the second belt (43) is located on the front side of the first belt (42), a steel rope (44) is wound in the middle of the rotating shaft (41), the movable end of the steel rope (44) is wound on the handle (45), the grid basket (47) is arranged below the motor (40), top cap (46) joint is in the upper end of net basket (47), the up end at same top cap (46) is installed in handle (45), both ends symmetry joint has card axle (48) around top cap (46), card axle (48) bilateral symmetry arrange be close to the one end at top cap (46) center and the upper end looks joint of net basket (47), it puts thing section of thick bamboo (49) to place from a left side to right equidistance in net basket (47), the upper end of putting thing section of thick bamboo (49) is installed through the screw-thread fit mode and is circular shape otter board (490), the up end of otter board (490) and the upper end of top cap (46) do not contact.
2. The underground water sampling pretreatment device of claim 1, characterized in that: support piece (2) the upper end rotate with the side of cross arm (1) through the round pin axle and be connected, support piece (2) the upper end seted up a slot, cross arm (1) preceding terminal surface bilateral symmetry has seted up No. two slot groups, the quantity of No. two slots of every group is two, adjacent No. two slots are mutually perpendicular, No. two slots that a slot and position correspond are between the joint have picture peg (20).
3. The underground water sampling pretreatment device of claim 1, characterized in that: support piece (2) including built-in board (21), external board (22), T template (23) and gag lever post (24), the upper end in built-in board (21) is seted up to slot No. one, built-in board (21) lower extreme is through round pin axle longitudinal symmetry rotation install T template (23), T template (23) slidable mounting is in the external board (22) that the middle part is hollow structure, the hole groove has been seted up to the preceding terminal surface lower extreme of built-in board (21), the hole groove is located the top of T template (23), the joint has gag lever post (24) between the upper end of hole groove and external board (22), gag lever post (24) are perpendicular mutually with external board (22).
4. The underground water sampling pretreatment device of claim 1, characterized in that: rubber strips (10) are mounted on the lower end face of the cross arm (1) and the side end face of the external plate (22) close to the grid basket (47).
5. The underground water sampling pretreatment device of claim 1, characterized in that: grid basket (47) from last down equidistance arrange, handle (45) are installed at the up end of top cap (46) nearest apart from cross arm (1), link to each other through expansion plate (470) between the up end of the lower terminal surface of adjacent grid basket (47) and top cap (46), expansion plate (470) bilateral symmetry arranges, the joint has axostylus axostyle (471) between the fixed section of expansion plate (470) and its expansion section, the joint through-hole has been seted up to down equidistance from the front end of expansion plate (470), axostylus axostyle (471) are located the joint through-hole.
6. The underground water sampling pretreatment device of claim 1, characterized in that: the left end and the right end of the cross arm (1) are both of telescopic structures.
7. The underground water sampling pretreatment device of claim 1, characterized in that: a first through groove is formed in the lower end of the front end face of the T-shaped plate (23), a second through groove is formed in one side, close to the grid basket (47), of the T-shaped plate (23), the lower end of the front end face of the built-in plate (21) is formed in the second through groove, and the first through groove is perpendicular to the second through groove.
8. The underground water sampling pretreatment device of claim 5, characterized in that: the upper end of the telescopic section of the telescopic plate (470) is symmetrically provided with an extension plate (472), and the extension plate (472) is connected with the lower end of the grid basket (47) through a bolt (473).
9. The underground water sampling pretreatment device of claim 1, characterized in that: round grooves are formed in the inner bottom wall of the grid basket (47) in an equidistant mode from left to right, and the lower end of the storage barrel (49) is connected with the round grooves in a threaded matching mode.
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| CN117309488A (en) * | 2023-11-30 | 2023-12-29 | 河北省保定水文勘测研究中心 | Groundwater quality of water monitoring sampling device |
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| CN114002020B (en) | 2024-04-19 |
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