CN115200945A - Sampling instrument for engineering detection - Google Patents
Sampling instrument for engineering detection Download PDFInfo
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- CN115200945A CN115200945A CN202211118350.9A CN202211118350A CN115200945A CN 115200945 A CN115200945 A CN 115200945A CN 202211118350 A CN202211118350 A CN 202211118350A CN 115200945 A CN115200945 A CN 115200945A
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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
- G01N1/16—Devices for withdrawing samples in the liquid or fluent state with provision for intake at several levels
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Abstract
The application discloses be applied to a sampling instrument for engineering detection in detection area, this sampling instrument passes through the setting of seal bag pole and a plurality of sampling bottle, can aerify the operation before the sample and make it seal the sampling bottle, when reaching the target depth, can make the sampling bottle opening sample through the gassing, after the sample, aerify the processing once more, can realize sealing once more, the completion is to taking a sample in the different degree of depth water, compare in prior art, this scheme can make the sampling bottle be in the open mode only at the target depth, effectively guarantee the leakproofness of sampling bottle when other degree of depth waters, and when sealed after the sample, according to the condition of signal lamp, can confirm the sealed condition that is located underwater sampling bottle on the surface of water, compare in prior art, the purity of sample is greatly improved, effectively reduce the error of testing result, the precision is improved, and then the life after effectively guaranteeing the highway pouring.
Description
Technical Field
The application relates to the field of detection, in particular to sampling instrument for engineering detection.
Background
Engineering tests generally include water quality engineering tests, concrete engineering tests, geotechnical engineering tests, and the like.
In the highway construction process, a water source is generally required to be taken on site for concrete configuration, the concrete is alkaline and generally above 12, and when the pH value of the concrete is lower than 12, reinforcing steel bars in the concrete begin to be rusted; the lower the pH value, the faster the steel bar corrosion speed in the concrete, so the water quality generally needs to be detected in advance before the water is taken on site for concrete preparation.
When taking a sample to water, among the prior art, often once only can take a sample to the water of a degree of depth, and at the sampling in-process, the sampling bottle need be repeated through the water of the different degree of depth, before it gets into the water, staff's accessible inspection confirms that it is sealed, and after the sample, when sealed in the water takes out again, because under water operation, lead to sealed effect to have the uncertainty, when taking place unsealed, the staff is difficult to find, the water that leads to taking out the water sample easily mixes other depths, the sample purity step-down, influence the precision of testing result, it is great to make water quality testing result error, be unfavorable for the configuration of concrete, influence the life of follow-up highway.
Disclosure of Invention
The utility model aims to improve sample purity when taking a sample, and then improve detection accuracy, compare prior art and provide a sampling instrument for engineering detection, through in a plurality of evenly distributed's of sample shell outer end fixedly connected with mark ring, the top a plurality of bracing pieces of mark ring upper end fixedly connected with, a plurality of bracing piece upper end fixedly connected with roof, a plurality of handles of the outer fixedly connected with of roof, fixedly connected with indulges the air duct in the sample shell, indulge the fixed sample shell top that runs through of air duct upper end and extend to sample shell top, indulge the outer fixedly connected with gas tube, indulge the outer end of air duct and still fixedly connected with a plurality of seal bag poles, gas tube, indulge air duct and a plurality of seal bag poles and communicate each other, sample shell outer end is opened chisel and is had a plurality of through-holes, and a plurality of through-holes are located between two adjacent mark rings respectively, a plurality of seal bag poles correspond to each other with a plurality of through-holes respectively, the through-hole is towards the oral area fixedly connected with connecting pipe in the sample shell of taking a sample, and divide the fixed connecting pipe to run through-tube end, the seal bottle is connected with the connecting tube, and two adjacent seal bag poles are distributed each other, and extend to the end of the seal bottle misplacing; through the setting of seal bag pole and a plurality of sampling bottle, can aerify the operation before the sample and make it seal the sampling bottle, when reaching the target depth, can make the sampling bottle opening sample through the gassing, after the sample, aerify the processing once more, can realize sealing once more, the completion is to the simultaneous sampling of different degree of depth waters, compare in prior art, this scheme can make the sampling bottle only be in the open mode at the target depth, effectively guarantee the leakproofness of sampling bottle when other degree of depth waters, and when sealed after the sample, according to the condition of signal lamp, can confirm the sealed condition that is located underwater sampling bottle on the surface of water, compare in prior art, the purity of sample is greatly improved, effectively reduce the error of testing result, the precision is improved, and then effectively guarantee the life after the highway is pour.
Optionally, the surfaces of the plurality of marking rings are coated with waterproof paint, and the color of each marking ring is different, so that the height of the sampling shell in the water body can be judged according to the color of the marking ring exposed out of the water surface.
Optionally, when the sampling bottle tip was twisted completely to sealing in the connecting tube, the vertical upwards of sampling bottle mouth part, and the edge of sampling bottle sample portion and mark ring outward flange do not coincide each other, make the difficult screw-on that influences the sampling bottle of mark ring move, effectively guarantee that the sampling bottle can be in normal dismouting of through-hole department.
Optionally, the seal bag pole is including fixed branch air duct and the fixed connection who runs through the seal connecting tube dividing the interior capsule of air duct tip, interior capsule is located under the sample bottle oral area, effectively guarantees when aerifing, can seal sample bottle oral area when interior capsule middle part is bloated, interior capsule is circular shape elastic seal ellipsoid structure for the cross-section, and interior capsule upper end and sample bottle oral area contactless, and it is worth noting in addition, interior capsule detach with divide the terminal surface that the air duct is relative, its and part not with the contact of sample bottle inner wall, effectively guarantees when not aerifing, perhaps enables sample bottle oral area after the gassing and is opened, makes the sample can normally go on.
Optionally, top end fixedly connected with seals the ring in the fluctuation with the concentric setting of sample bottle oral area in the sample bottle, seal the ring cross-section in the fluctuation for the sunken structure of falling concave structure that makes progress, effectively increase in the encapsulation bag after inflation and its between area of contact, and then make the sealed effect to sample bottle oral area better, seal the ring in the fluctuation and include two bulge loops down and fixed connection at two last concave ring down between the bulge loops, last concave ring makes for magnetic material.
Optionally, the lower convex ring is of an elastic sealing structure, a pressure sensor is installed at the top end in the sampling bottle, the pressure sensor is located in the lower convex ring far away from the opening of the sampling bottle, two signal lamps are installed on the top plate, the pressure sensor and the signal lamps are in signal connection with the main control panel, when the sampling bottle needs to be sealed, and when the sampling bottle is inflated, the inner sealing bag gradually expands, the middle of the inner sealing bag is firstly contacted with the opening of the sampling bottle and is gradually attached to the top end in the sampling bottle, so that the opening of the sampling bottle is sealed, in the process, the inner sealing bag is firstly contacted with the lower convex ring close to the opening and then is contacted with the other lower convex ring in an extruding mode, along with increasing of inflation amount, the hardness of the inner sealing bag is higher and larger, the extruding force of the lower convex ring is larger and larger, so that the lower convex ring is gradually deformed, the pressure sensor is gradually stressed, stress data information is fed back to the main control panel, the main control panel is turned on the signal lamp, so that a worker can determine the sealing condition of the sampling bottle under water on the water surface, and further effectively guarantee that the sampling bottle is in a sealing state when the sampling shell is taken out after sampling, so that the purity of the sample is higher.
Optionally, interior capsule seals the change layer including the lower fixed bed and the fixed connection of being located the below on fixed bed top down, it is bilayer structure to seal the change layer upper end on, and seals on and change the in situ unsaturated packing and have the iron powder, when aerifing to make interior capsule seal the sample bottle mouth portion, when interior capsule upper end and the interior seal ring of fluctuation contact each other, there is mutual adsorption power between the two, when taking out the sample shell from the aquatic in-process, make interior capsule difficult with the sample bottle separation, effectively guarantee the stability of interior capsule to sample bottle mouth portion seal, it is circular to seal the double-deck partial edge of change layer, and circular diameter is not less than 1.5 times of sample bottle mouth portion internal diameter, when effectively guaranteeing that double-deck part is close to the sample bottle mouth portion along with interior capsule inflation, can cover sample bottle mouth portion, effectively guarantee the contact of upper concave ring and interior capsule.
Optionally, the upper sealing variable layer is made of elastic sealing materials, and the lower fixed layer is made of flexible materials, so that deformation of the inner capsule is mainly concentrated at the upper sealing variable layer during inflation, and a sampling bottle is conveniently sealed.
Optionally, sample shell lower extreme fixedly connected with hyaline tube, hyaline tube lower extreme fixedly connected with counterweight ball, the laser receiving terminal is installed to counterweight ball upper end, laser emission end is installed to the roof bottom, laser emission end and laser receiving terminal all with main control board signal connection, and the hyaline tube upper end and the vertical central line of laser emission end coincide each other, when placing the sample shell in the water and take a sample, the counterweight ball can be used as the counter weight, make the sample shell be difficult for taking place the condition of skew because of the water buoyancy effect, when taking a sample to the water that mobility is relatively poor, when receiving the light that the laser emission end sent on the laser receiving terminal, explain sample shell and counterweight ball central line coincidence, explain sample shell and be in relative vertical state, another light signal lamp this moment, can take a sample this moment, and then effectively guarantee that the deviation between degree of depth and the target depth is less when taking a sample, effectively avoid taking place because of the condition that the sampling depth is higher than the target sampling point.
Optionally, the transparent tube is made of flexible materials, the bottom of the longitudinal air duct and the bottom of the sampling shell are made of transparent materials, and when the transparent tube and the weighing ball are superposed with the central line of the sampling shell, light emitted by the laser emitting end can penetrate through the longitudinal air duct and the sampling shell and irradiate on the weighing ball.
Compare in prior art, the advantage of this application lies in:
(1) Through the setting of seal bag pole and a plurality of sampling bottle, can aerify the operation before the sample and make it seal the sampling bottle, when reaching the target depth, can make the sampling bottle opening sample through the gassing, after the sample, aerify the processing once more, can realize sealing once more, the completion is to the simultaneous sampling of different degree of depth waters, compare in prior art, this scheme can make the sampling bottle only be in the open mode at the target depth, effectively guarantee the leakproofness of sampling bottle when other degree of depth waters, and when sealed after the sample, according to the condition of signal lamp, can confirm the sealed condition that is located underwater sampling bottle on the surface of water, compare in prior art, the purity of sample is greatly improved, effectively reduce the error of testing result, the precision is improved, and then effectively guarantee the life after the highway is pour.
Drawings
FIG. 1 is a schematic perspective view of the present application;
FIG. 2 is a schematic three-dimensional structure of the sampling bottle of the present application when removed;
FIG. 3 is a schematic perspective view of a longitudinal airway tube according to the present application;
FIG. 4 is a perspective schematic view of a closure stem of the present application;
FIG. 5 is a schematic cross-sectional structural view of a shaft portion of a closure of the present application;
FIG. 6 is a schematic cross-sectional view of a sample vial of the present application mounted to a sample housing;
FIG. 7 is a schematic structural view of a section of the undulating inner seal ring of the present application;
FIG. 8 is a schematic view of the construction of the end portion of the stem of the closure of the present application;
FIG. 9 is a schematic view of a variation of the end of the seal stem of the present application after inflation;
FIG. 10 is a schematic view of the present application showing the end of the cap bag rod sealing the sampling bottle mouth after inflation
Fig. 11 is a schematic structural view of a front portion of the present application.
The reference numbers in the figures illustrate:
1 sampling shell, 21 supporting rod, 22 top plate, 23 handle, 3 marking ring, 4 longitudinal air duct, 5 air charging tube, 6 sealing bag rod, 61 air duct, 62 inner sealing bag, 621 lower fixing layer, 622 upper sealing variable layer, 7 sampling bottle, 81 transparent tube, 82 counterweight ball, 9 fluctuation inner sealing ring, 91 lower convex ring, 92 upper concave ring, 10 sealing connecting tube, 11 pressure sensor, 121 laser emitting end, 122 laser receiving end.
Detailed Description
The technical solutions in the embodiments of the present application will be described below clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments, and all other embodiments obtained by a person of ordinary skill in the art without making creative efforts based on the embodiments in the present application belong to the protection scope of the present application.
Example 1:
the application discloses engineering detects uses sampling instrument, please refer to fig. 1 and fig. 2, including sample shell 1, sample shell 1 outer end fixedly connected with a plurality of evenly distributed's mark ring 3, a plurality of bracing pieces 21 of mark ring 3 upper end fixedly connected with of the top, a plurality of handles 23 of fixedly connected with in a plurality of bracing pieces 21 upper end, a plurality of handles 23 of the outer fixedly connected with of roof 22, air duct 4 is indulged to fixedly connected with in sample shell 1, indulge fixed through sample shell 1 top of air duct 4 upper end and extend to sample shell 1 top, indulge the outer fixedly connected with gas tube 5 of air duct 4, gas tube 5 is located sample shell 1 top, it still fixedly connected with a plurality of seal bag poles 6 to indulge 4 outer ends of air duct, gas tube 5, indulge gas duct 4 and a plurality of seal bag poles 6 and communicate with each other, gas tube 5 communicates with each other with external air supply, accessible gas tube 5 is to indulging the internal gassing of air duct 4, realize the control of bag seal bag pole 6 inflation and reset, and then realize the control whether sealing to sampling bottle 7.
The outer end of the sampling shell 1 is provided with a plurality of through holes, the through holes are respectively positioned between two adjacent marking rings 3, a plurality of sealing bag rods 6 respectively correspond to the through holes, the through holes are fixedly connected with a sealing connecting pipe 10 towards the opening part in the sampling shell 1, the branch air guide pipes 61 fixedly penetrate through the end parts of the sealing connecting pipe 10, sampling bottles 7 are connected onto the sealing connecting pipe 10 in a threaded manner, and the two adjacent sampling bottles 7 are mutually distributed in a staggered manner, when the opening parts of the sampling bottles 7 are unsealed, a water body enters the interior of the water body, the water body has certain fluctuation and staggered distribution, so that when sampling is carried out, the two longitudinally adjacent sampling bottles 7 are not easily influenced mutually, the sample purity during sampling is higher, and the end parts of the sealing bag rods 6 extend into the sampling bottles 7;
the surfaces of the plurality of marking rings 3 are coated with waterproof paint, and the colors of the marking rings 3 are different, so that the height of the sampling shell 1 in the water body can be judged according to the color of the marking ring 3 exposed out of the water surface.
When 7 tip of sample bottle are twisted completely to sealing in the connecting tube 10, 7 oral areas of sample bottle are vertical upwards, and the edge of 7 sampling portions of sample bottle do not coincide with 3 outward flanges of mark ring each other, make mark ring 3 be difficult for influencing twisting of sample bottle 7 and move, effectively guarantee sample bottle 7 can be in the normal dismouting of through-hole department.
Referring to fig. 4 and 5, the sealing bag rod 6 includes a sub-air duct 61 fixedly penetrating through the sealing connecting tube 10 and an inner sealing bag 62 fixedly connected to an end of the sub-air duct 61, the inner sealing bag 62 is located right below an opening of the sampling bottle 7, so as to effectively ensure that the opening of the sampling bottle 7 can be sealed when the middle part of the inner sealing bag 62 is bulged during inflation, the inner sealing bag 62 is an elastic sealing ellipsoid structure with a circular cross section, and the upper end of the inner sealing bag 62 is not in contact with the opening of the sampling bottle 7, and it is noted that the end surface of the inner sealing bag 62 opposite to the sub-air duct 61 is removed, and is not in contact with the inner wall of the sampling bottle 7, so as to effectively ensure that the opening of the sampling bottle 7 can be opened during non-inflation or after deflation, so that sampling can be performed normally.
Referring to fig. 6 and 7, the inner top end of the sampling bottle 7 is fixedly connected with an undulating inner sealing ring 9 concentrically arranged with the mouth of the sampling bottle 7, the section of the undulating inner sealing ring 9 is of an inverted concave structure which is concave upwards, the contact area between the inner sealing bag 62 and the inner sealing bag is effectively increased after inflation, further, the sealing effect on the mouth of the sampling bottle 7 is better, the fluctuating inner sealing ring 9 comprises two lower convex rings 91 and an upper concave ring 92 fixedly connected between the two lower convex rings 91, the upper concave ring 92 is made of magnetic material, the lower convex ring 91 is an elastic sealing structure, the top end in the sampling bottle 7 is provided with a pressure sensor 11, the pressure sensor 11 is positioned in the lower convex ring 91 far away from the mouth of the sampling bottle 7, the top plate 22 is provided with two signal lamps, and a main control board for controlling signal lamps is arranged in the top plate 22, the pressure sensor 11 and the signal lamps are in signal connection with the main control board, when the sampling is finished and the sealing is needed, when the sampling bottle is inflated, the inner capsule 62 gradually expands, and the middle part of the inner capsule 62 firstly contacts the mouth part of the sampling bottle 7 and is gradually attached to the inner top end of the sampling bottle 7, thereby realizing the sealing of the mouth part of the sampling bottle 7, in the process, the inner capsule 62 firstly contacts the lower convex ring 91 close to the mouth part and then is in pressing contact with the other lower convex ring 91, the hardness of the inner capsule 62 is higher and higher with the increasing inflation quantity, the pressing force to the lower collar 91 becomes larger and larger, so that the lower collar 91 is gradually deformed, and the pressure sensor 11 is gradually stressed, and the stress data information is fed back to the main control panel, so that the main control panel controls the signal lamp to be lightened, thereby ensuring that the working personnel can determine the sealing condition of the sampling bottle 7 positioned under water on the water surface, and then effectively guarantee after the sample when taking out sample shell 1, sample bottle 7 is in encapsulated situation, makes the sample purity higher.
One signal lamp corresponds to the pressure sensor 11 and is lighted to indicate that stress data is generated on the pressure sensor 11, and the other signal lamp corresponds to the laser emitting end 121 and the laser receiving end 122 and is lighted to indicate that light emitted by the laser emitting end 121 is received on the laser receiving end 122.
Referring to fig. 8, the inner capsule 62 includes a lower fixed layer 621 located below and an upper sealing variable layer 622 fixedly connected above the lower fixed layer 621, the upper sealing variable layer 622 is made of an elastic sealing material, and the lower fixed layer 621 is made of a flexible material, as shown in fig. 9, so that during inflation, the deformation of the inner capsule 62 is mainly concentrated at the upper sealing variable layer 622, which facilitates sealing of the sampling bottle 7; go up and seal and become layer 622 upper end and be bilayer structure, and go up and seal and become unsaturated packing in layer 622 and have the iron powder, as shown in fig. 10, when aerifing make interior capsule 62 seal sampling bottle 7 oral area, when interior capsule 62 upper end and the interior ring 9 of sealing of fluctuation mutually contact, there is mutual adsorption power between the two, when taking out the in-process with sample shell 1 from the aquatic, make interior capsule 62 difficult with sampling bottle 7 separation, effectively guarantee the stability of interior capsule 62 to sampling bottle 7 oral area sealing, it is circular to go up to seal and become the double-deck partial edge of layer 622, and circular diameter is not less than 1.5 times of sampling bottle 7 oral area internal diameter, effectively guarantee when the double-deck portion is close to sampling bottle 7 oral area along with interior capsule 62 inflation, can cover sampling bottle 7 oral area, effectively guarantee the contact of upper concave ring 92 and interior capsule 62.
Referring to fig. 11, a transparent tube 81 is fixedly connected to the lower end of a sampling housing 1, a counterweight ball 82 is fixedly connected to the lower end of the transparent tube 81, a laser receiving end 122 is installed at the upper end of the counterweight ball 82, a laser emitting end 121 is installed at the bottom of a top plate 22, the laser emitting end 121 and the laser receiving end 122 are both in signal connection with a main control panel, and the longitudinal center lines of the upper end of the transparent tube 81 and the laser emitting end 121 coincide with each other, when the sampling housing 1 is placed in a water body for sampling, the counterweight ball 82 can be used as a counterweight, so that the sampling housing 1 is not prone to shift due to the buoyancy of the water body, when a water body with poor fluidity is sampled, when light emitted by the laser emitting end 121 is received by the laser receiving end 122, the center lines of the sampling housing 1 and the counterweight ball 82 coincide with each other, the sampling housing 1 is in a relatively vertical state, another signal lamp is turned on at the moment, sampling can be performed at the moment, and thus the situation that the deviation between the sampling depth and the target depth is higher than the target point during sampling is effectively avoided.
The transparent tube 81 is made of flexible materials, the bottom of the longitudinal air duct 4 and the bottom of the sampling shell 1 are made of transparent materials, and when the transparent tube 81 and the counterweight ball 82 are superposed with the central line of the sampling shell 1, light emitted by the laser emitting end 121 can penetrate through the longitudinal air duct 4 and the sampling shell 1 and irradiate on the counterweight ball 82.
In addition, it should be noted that the arrangement of the laser emitting end 121 and the laser receiving end 122 is suitable for sampling the water body with poor fluidity, and the arrangement is selective, which is not necessary, and in the specific implementation, the skilled person can perform the selective arrangement according to the needs.
Through the setting of seal bag pole 6 and a plurality of sampling bottle 7, can aerify the operation before the sample and make it seal sampling bottle 7, when reaching the target depth, can make sampling bottle 7 opening sample through the gassing, after the sample, aerify the processing once more, can realize resealing, accomplish the simultaneous sampling to different degree of depth waters, compare in prior art, this scheme can make sampling bottle 7 only be in the open mode at the target depth, effectively guarantee the leakproofness of sampling bottle 7 when other degree of depth waters, and when sealed after the sample, according to the condition of signal lamp, can confirm the sealed condition that is located underwater sampling bottle on the surface of water, compare in prior art, the purity of sample is increased substantially, effectively reduce the error of testing result, the precision is improved, and then effectively guarantee the life after the highway is pour.
The above description is only for the preferred embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present application, and all equivalent substitutions or changes according to the technical solutions and modifications of the present application should be covered by the scope of the present application.
Claims (10)
1. The utility model provides a sampling instrument for engineering inspection, includes sample shell (1), its characterized in that, sample shell (1) outer end fixedly connected with a plurality of evenly distributed's mark ring (3), the top mark ring (3) upper end fixedly connected with a plurality of bracing pieces (21), a plurality of bracing piece (21) upper end fixedly connected with roof (22), a plurality of handles (23) of the outer fixedly connected with of roof (22), air duct (4) is indulged to fixedly connected with in sample shell (1), indulge fixed running through sample shell (1) top and extend to sample shell (1) top in air duct (4) upper end, indulge outer fixedly connected with gas tube (5) of air duct (4), indulge a plurality of seal bag poles (6) of air duct (4) outer end still fixedly connected with, gas tube (5), indulge air duct (4) and a plurality of seal bag poles (6) and communicate each other, sample shell (1) is opened and is dug there are a plurality of through-holes, and a plurality of through-holes are located between two adjacent mark rings (3) respectively, a plurality of seal bag poles (6) and a plurality of seal bag poles correspond to each other through-hole (10) and the through-hole distribution bottle (7) is connected with each other, and the sample shell (10) and the through-hole is connected with two adjacent through-hole (7) and the sample bottle (7) is connected with each other, and the end part of the sealing bag rod (6) extends into the sampling bottle (7).
2. The sampling instrument for engineering inspection according to claim 1, characterized in that the surface of each of the plurality of marking rings (3) is coated with waterproof paint, and the color of each marking ring (3) is different.
3. The sampling instrument for engineering inspection according to claim 1, characterized in that when the end of the sampling bottle (7) is completely screwed into the sealing connecting tube (10), the mouth of the sampling bottle (7) is vertically upward, and the edge of the sampling part of the sampling bottle (7) and the outer edge of the marking ring (3) are not overlapped with each other.
4. The engineering detection sampling instrument according to claim 1, wherein the sealing balloon rod (6) comprises a branch air duct (61) fixedly penetrating through the sealing connecting tube (10) and an inner balloon (62) fixedly connected to the end of the branch air duct (61), the branch air duct (61) fixedly penetrates through the end of the sealing connecting tube (10), the inner balloon (62) is located right below the opening of the sampling bottle (7), the inner balloon (62) is of an elastic sealing ellipsoid structure with a circular cross section, and the upper end of the inner balloon (62) is not in contact with the opening of the sampling bottle (7).
5. The sampling instrument for engineering detection according to claim 4, wherein an undulating inner sealing ring (9) concentrically arranged with the mouth of the sampling bottle (7) is fixedly connected to the inner top end of the sampling bottle (7), the section of the undulating inner sealing ring (9) is of an inverted concave structure which is upwardly concave, the undulating inner sealing ring (9) comprises two lower convex rings (91) and an upper concave ring (92) fixedly connected between the two lower convex rings (91), and the upper concave ring (92) is made of a magnetic material.
6. The sampling instrument for engineering detection according to claim 5, wherein the lower convex ring (91) is an elastic sealing structure, a pressure sensor (11) is installed at the top end in the sampling bottle (7), the pressure sensor (11) is located in the lower convex ring (91) far away from the mouth of the sampling bottle (7), two signal lamps are installed on the top plate (22), a main control board for controlling the signal lamps is installed in the top plate (22), and the pressure sensor (11) and the signal lamps are both in signal connection with the main control board.
7. The sampling instrument for engineering detection according to claim 4, wherein the inner capsule (62) comprises a lower fixed layer (621) below and an upper seal variable layer (622) fixedly connected above the lower fixed layer (621), the upper end of the upper seal variable layer (622) is of a double-layer structure, iron powder is filled in the upper seal variable layer (622) in an unsaturated mode, the edge of the double-layer part of the upper seal variable layer (622) is circular, and the diameter of the circle is not less than 1.5 times of the inner diameter of the opening of the sampling bottle (7).
8. The sampling instrument for engineering inspection according to claim 7, wherein the upper sealing transition layer (622) is made of elastic sealing material, and the lower fixing layer (621) is made of flexible material.
9. The sampling instrument for engineering detection according to claim 6, wherein a transparent tube (81) is fixedly connected to the lower end of the sampling housing (1), a counterweight ball (82) is fixedly connected to the lower end of the transparent tube (81), a laser receiving end (122) is installed at the upper end of the counterweight ball (82), a laser emitting end (121) is installed at the bottom of the top plate (22), the laser emitting end (121) and the laser receiving end (122) are both in signal connection with the main control board, and the longitudinal center lines of the upper end of the transparent tube (81) and the laser emitting end (121) coincide with each other.
10. The sampling instrument for engineering detection according to claim 9, wherein the transparent tube (81) is made of flexible material, and the bottom of the longitudinal air duct (4) and the bottom of the sampling housing (1) are made of transparent material.
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| CN202211118350.9A CN115200945B (en) | 2022-09-15 | 2022-09-15 | Sampling instrument for engineering detection |
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| CN202211118350.9A CN115200945B (en) | 2022-09-15 | 2022-09-15 | Sampling instrument for engineering detection |
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| CN101762403A (en) * | 2009-12-18 | 2010-06-30 | 杭州电子科技大学 | Low-disturbance sealing device for sediment sampler |
| CN106840756A (en) * | 2017-03-28 | 2017-06-13 | 安徽理工大学 | The sampling of down-hole coal bed gas bearing capacity fixed point drilling cuttings and gas bearing capacity computational methods |
| CN107290174A (en) * | 2017-08-04 | 2017-10-24 | 山东科技大学 | New water sample bed mud combined sampling device and its method for sampling |
| CN206990254U (en) * | 2017-08-04 | 2018-02-09 | 山东科技大学 | New water sample bed mud combined sampling device |
| CN108036973A (en) * | 2017-12-26 | 2018-05-15 | 合肥睿致新科技有限公司 | A kind of environmental monitoring water sample draw-out device |
| CN111896322A (en) * | 2020-06-23 | 2020-11-06 | 徐州工业职业技术学院 | Safety detection method based on liquid food |
| CN215811853U (en) * | 2021-08-05 | 2022-02-11 | 中国人民解放军总医院第八医学中心 | Sample extracting device for inspection |
| CN114577537A (en) * | 2022-05-05 | 2022-06-03 | 山东省地矿工程集团有限公司 | A stratified sampling device for groundwater water quality monitoring |
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| CN115200945B (en) | 2022-11-29 |
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