CN107131190B - Scalable sample device - Google Patents
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- CN107131190B CN107131190B CN201710560740.4A CN201710560740A CN107131190B CN 107131190 B CN107131190 B CN 107131190B CN 201710560740 A CN201710560740 A CN 201710560740A CN 107131190 B CN107131190 B CN 107131190B
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- 238000005070 sampling Methods 0.000 claims abstract description 271
- 230000002093 peripheral effect Effects 0.000 claims description 9
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 16
- 230000008569 process Effects 0.000 abstract description 9
- 238000009434 installation Methods 0.000 description 5
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 230000006872 improvement Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000012857 repacking Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
- F16B7/04—Clamping or clipping connections
- F16B7/0406—Clamping or clipping connections for rods or tubes being coaxial
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Abstract
The invention discloses a telescopic sampling device, which comprises a main sampling pipe, a telescopic sampling hose and a half-surface combined sampling pipe, wherein one end of the telescopic sampling hose can be placed in the main sampling pipe; half face combination sampling pipe is including encircleing the first semicircle pipe and the second semicircle pipe of scalable sample hose, first semicircle pipe with second semicircle pipe assembly back can with main sampling pipe passes through the fastening components joint. According to the telescopic sampling device provided by the invention, the half combined sampling tube is used, so that the total time of mounting and dismounting the sampling device in the sampling process is shortened, the assembly is quicker, the telescopic sampling hose is mounted in the main sampling tube, the length of the sampling device is more convenient to adjust, and meanwhile, the arrangement of the telescopic sampling hose can effectively reduce the probability of air leakage in the sampling process and improve the sampling reliability.
Description
Technical Field
The invention relates to the field of sampling equipment, in particular to a telescopic sampling device.
Background
At present, the sampling pipe that deep sampler used is mostly formed through simple repacking through the stainless steel pipe, and the connection between a plurality of sampling pipes is mostly threaded connection.
In the sampling process, when the existing sampling tube is repeatedly screwed and unscrewed for many times, thread abrasion is easily caused, the phenomena of looseness, connection failure, air leakage during sampling and the like of the connection of the sampling tube are caused, the sampling efficiency is reduced, much time is needed to be spent for unscrewing the sampling tube when the sampling tube is disassembled, and the accumulated time for disassembling is also long. In addition, the sampling tube connected through the screw thread can not do rotary motion in the sampling process, so that the sampling descending process is single, and the expected sampling effect can not be achieved.
Simultaneously, when the connection of a plurality of sampling pipes appeared becoming flexible, the sampling pipe easily drops, buries in the grain heap, leads to the sampling process to interrupt, needs the workman to consume a large amount of physical power and takes out the sampling pipe from the grain heap, increases the intensity of labour of sampling.
Therefore, how to improve the assembling and disassembling efficiency of the sample device and further improve the sample efficiency is a technical problem which needs to be solved by the technical personnel in the field at present.
Disclosure of Invention
The invention aims to provide a telescopic sampling device which can effectively improve the self-assembling and disassembling efficiency, has strong use reliability and high sampling efficiency.
In order to achieve the purpose, the invention provides the following technical scheme:
a telescopic sampling device comprises a main sampling pipe, a telescopic sampling hose and a half-combined sampling pipe, wherein one end of the telescopic sampling hose can be placed in the main sampling pipe, and the half-combined sampling pipe is sleeved on the outer periphery of the telescopic sampling hose; half face combination sampling pipe is including encircleing the first semicircle pipe and the second semicircle pipe of scalable sample hose, first semicircle pipe with second semicircle pipe assembly back can with main sampling pipe passes through the fastening components joint.
Preferably, the main sampling pipe is provided with an annular step surface on the inner circumference of one end close to the sampling port, the step surface is provided with a magnetic part, one end of the telescopic sampling hose is provided with a hose guide sleeve which can attract the magnetic part at the step surface, and the size of the step surface is consistent with the end face size of the hose guide sleeve.
Preferably, a plurality of hose reinforcing ribs capable of axially extending and retracting are arranged on the telescopic sampling hose at intervals.
Preferably, the side of the first semicircular pipe is provided with a guide rail boss, and the side of the second semicircular pipe is provided with a guide rail groove matched with the guide rail boss.
Preferably, first semicircle pipe with the both ends of second semicircle pipe all are equipped with semicircle pipe cooperation key, the one end that the sample mouth was kept away from to main sample pipe is equipped with main cooperation key, semicircle pipe cooperation key with main cooperation key can simultaneously with the fastening components joint.
Preferably, first semicircle pipe with the both ends of second semicircle pipe still are equipped with semicircle pipe card hole, the one end that the sample mouth was kept away from to main sampling pipe is equipped with main card hole, semicircle pipe card hole with main card hole can simultaneously with the fastening components joint is in order to restrict first semicircle pipe the second semicircle pipe and the rotation in a circumferential direction of main sampling pipe, and will main sampling pipe with half face combination pipe is fixed inside the fastening components.
Preferably, the semicircular pipe clamping holes on the first semicircular pipe and the second semicircular pipe are opposite in position and are coaxially arranged; two main clamping holes which are opposite in position and are coaxially arranged are formed in the main sampling tube.
Preferably, the fastening assembly comprises a connecting cylinder and a half-ring buckle; clamping grooves which can be respectively clamped with the semicircular pipe matching key and the main matching key are formed in the inner peripheral parts of the two axial ends of the connecting cylinder, cylinder clamping holes which can respectively correspond to the semicircular pipe clamping holes and the main clamping holes are formed in the side wall of the connecting cylinder, and buckle fixing grooves which can be connected with the cylinder clamping holes are formed in the outer peripheral parts of the connecting cylinder; the semi-ring buckle comprises a semi-ring buckle frame and a semi-ring buckle key, the semi-ring buckle frame can be connected with the buckle fixing groove in a clamped mode, the semi-ring buckle key is arranged on the semi-ring buckle frame, and the semi-ring buckle key can penetrate through the cylinder clamp hole, the semi-circular pipe clamp hole and the main clamp hole.
Preferably, the clamping groove is L-shaped and comprises an axial section and a circumferential section, and the semicircular tube matching key and the main matching key can move to the bottom of a common intersection of the axial section and the circumferential section along the axial section, so that the semicircular tube matching key and the main matching key can rotate along the circumferential section until being completely matched with the clamping groove.
Preferably, an inner circumferential intermediate position of the connecting cylinder further has an inner cylinder step for limiting an axial position of the main sampling tube and the half pack sampling tube.
The invention provides a telescopic sampling device, which comprises a main sampling pipe, a telescopic sampling hose and a half-combined sampling pipe, wherein one end of the telescopic sampling hose can be placed in the main sampling pipe; half face combination sampling pipe is including encircleing the first semicircle pipe and the second semicircle pipe of scalable sample hose, first semicircle pipe with second semicircle pipe assembly back can with main sampling pipe passes through the fastening components joint. This scalable sample device, through the use of half face combination sample pipe has shortened the installation of this sample device of sample in-process and the total time of dismantlement, and the assembly is more swift, and, through install in the main sample pipe scalable sample hose for this sample device's length adjustment is more convenient, simultaneously, the probability of sample in-process gas leakage can effectively be reduced to the setting of scalable sample hose, improves the sample reliability.
In a preferred embodiment, the fastening assembly comprises a connecting cylinder and a half-ring snap; clamping grooves which can be respectively clamped with the semicircular pipe matching key and the main matching key are formed in the inner peripheral parts of the two axial ends of the connecting cylinder, cylinder clamping holes which can respectively correspond to the semicircular pipe clamping holes and the main clamping holes are formed in the side wall of the connecting cylinder, and buckle fixing grooves which can be connected with the cylinder clamping holes are formed in the outer peripheral parts of the connecting cylinder; the semi-ring buckle comprises a semi-ring buckle frame and a semi-ring buckle key, wherein the semi-ring buckle frame can be connected with the buckle fixing groove in a clamped mode, the semi-ring buckle key is arranged on the semi-ring buckle frame, and the semi-ring buckle key can penetrate through the cylinder clamp hole, the semi-circular pipe clamp hole and the main clamp hole. Above-mentioned setting, through fastening components's use, the degree of wear when effectively reducing main sampling pipe and half face combination sampling pipe and connecting improves this sampling device's life, simultaneously, through the setting of semi-ring buckle, can realize that main sampling pipe and half face combination sampling pipe's circumference is fixed, and then make this sampling device can do rotary motion at the necessary moment of sampling in-process, improve the sampling efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of one embodiment of a retractable sampling device provided in the present invention;
FIG. 2 is a cross-sectional view of the primary sampling tube of FIG. 1;
FIG. 3 is an exploded view of the retractable sampling device of FIG. 1;
FIG. 4 is a schematic view of the fastening assembly of the retractable sampling device of FIG. 1;
FIG. 5 is a schematic view of the half-assembled skewer tube of the retractable skewer assembly of FIG. 1;
FIG. 6 is an exploded view of the half-shell composite skewer tube shown in FIG. 5;
wherein: 1-main sampling tube, 11-main clamping hole, 12-main matching key, 13-sampling port, 2-semi-ring buckle, 21-semi-ring buckle frame, 22-semi-ring buckle key, 3-semi-face combined sampling tube, 31-semi-circular tube matching key, 32-semi-circular tube clamping hole, 33-guide rail boss, 34-guide rail groove, 4-telescopic sampling hose, 41-hose guide sleeve, 42-hose reinforcing rib, 5-connecting cylinder, 51-cylinder clamping hole, 52-buckle fixing groove, 53-clamping groove and 54-cylinder inner step.
Detailed Description
The core of the invention is to provide a telescopic sampling device which can obviously improve the self-assembling and disassembling efficiency, further obviously improve the sampling efficiency, and has reliable use and strong applicability.
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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1 to 6, fig. 1 is a schematic structural view of an embodiment of a retractable sampling device provided in the present invention; FIG. 2 is a cross-sectional view of the main sampling tube of FIG. 1, and FIG. 3 is an exploded view of the retractable sampling device of FIG. 1; fig. 4 is a schematic view of the fastening assembly of the retractable skewing device of fig. 1; FIG. 5 is a schematic view of the configuration of the half-assembled skewer tube of the retractable sampling device of FIG. 1; fig. 6 is an exploded view of the half-assembled skewer tube shown in fig. 5.
In this embodiment, the retractable sampling device comprises a main sampling tube 1, a retractable sampling hose 4, and a half-shell combed sampling tube 3.
Wherein, one end of the telescopic sampling hose 4 can be placed in the main sampling tube 1 near the end of the sampling port 13, the outer diameter of the telescopic sampling hose 4 is slightly smaller than the inner diameter of the main sampling tube and the half-surface combined sampling tube, and can be freely contracted into any length within the limit sampling depth range to meet the requirement of the sampling depth, the telescopic sampling hose 4 has a spiral structure, and a hose reinforcing rib 42 is arranged at the protrusion and the depression of the spiral structure, a certain end of the telescopic sampling hose 4 is provided with a hose guide sleeve 41 with certain weight, the outer diameter is slightly smaller than the diameter of the telescopic sampling hose 4, the inner diameter is slightly smaller than the outer diameter, and the telescopic sampling hose 4 is used for fixing one end of the telescopic sampling hose 4 on the sampling port of the main sampling tube.
Certainly, in order to facilitate the firmness of connection between the telescopic sampling hose 4 and the main sampling pipe 1, an annular step surface is arranged at the inner periphery of one end, close to the sampling port 13, of the main sampling pipe 1, the magnetic part can be arranged at the step surface, a hose guide sleeve 41 capable of attracting the magnetic part mutually is arranged at one end of the telescopic sampling hose 4, the size of the step surface corresponds to the end face size of the hose guide sleeve 41, the hose guide sleeve 41 of the telescopic sampling hose 4 is placed into the main sampling pipe 1, the hose guide sleeve 41 is attracted to the position close to the annular step surface under the action of the magnetic part, so that the end face of the hose guide sleeve 41 is attached to the step surface, the installation of the telescopic sampling hose 4 is facilitated, in addition, the sampling process can be prevented, the telescopic sampling hose 4 is separated from the sampling port 13, and the sampling process is influenced. Of course, the magnetic attracting member may be provided on the hose guide sleeve 41, and the magnetic material may be provided at the sampling port 13 of the main sampling pipe 1.
Further, the peripheral portion of scalable sample hose 4 is located to half face combination sample pipe 3 cover, and half face combination sample pipe 3 can pass through the fastening component joint with main sample pipe 1 after first semicircle pipe and the assembly of second semicircle pipe including first semicircle pipe and the second semicircle pipe that can encircle scalable sample hose 4.
This scalable sample device through the use of half face combination sample pipe, has shortened the installation of this sample device of sample in-process and the total time of dismantlement, and the assembly is more swift to, through installation scalable sample hose 4 in main sample pipe 1, make the length adjustment of this sample device more convenient, simultaneously, the probability of sample in-process gas leakage can effectively be reduced to the setting of scalable sample hose 4, improves the sample reliability.
Specifically, the main sampling tube and the half-combined sampling tube have the same inner and outer diameters, the main sampling tube and the half-combined sampling tube are combined together by the fastening assembly to form a new sampling tube, and the telescopic sampling hose 4 is installed in the new sampling tube.
On the basis of the above embodiments, the telescopic sampling hose 4 is provided with a plurality of hose reinforcing ribs 42 capable of axially extending and retracting at intervals, and the hose reinforcing ribs 42 are bent, so that the telescopic sampling hose can be extended and shortened in a folding manner when in use.
On the basis of the above embodiments, as shown in fig. 5, in order to facilitate the quick assembly of the first semicircular tube and the second semicircular tube, the side of the first semicircular tube is provided with a guide rail boss 33, the side of the second semicircular tube is provided with a guide rail groove 34 capable of being matched with the guide rail boss 33, and the guide rail boss 33 and the guide rail groove 34 together form a guide rail, thereby playing a role in guiding and limiting. Of course, the guide rail boss 33 may be provided on the side of the second semicircular tube, and the guide rail groove 34 may be provided on the side of the first semicircular tube.
On the basis of the above embodiments, semicircular tube matching keys 31 are respectively arranged at two ends of the first semicircular tube and the second semicircular tube, a main matching key 12 is arranged at one end of the main sampling tube 1 far away from the sampling opening 13, and the semicircular tube matching keys 31 and the main matching key 12 can be simultaneously clamped with the fastening assembly.
In addition to the above embodiments, semicircular tube fastening holes 32 are further provided at both ends of the first and second semicircular tubes, a main fastening hole 11 is provided at one end of the main sampling tube 1 away from the sampling opening 13, and the semicircular tube fastening holes 32 and the main fastening hole 11 can be simultaneously fastened to the fastening assembly to restrict circumferential rotation of the first and second semicircular tubes and the main sampling tube 1, and fix the main sampling tube 1 and the half-combined tube inside the fastening assembly.
In addition to the above embodiments, the semicircular pipe locking holes 32 of the first semicircular pipe and the second semicircular pipe are arranged coaxially while facing each other; two main clamping holes 11 which are opposite in position and are coaxially arranged are formed in the main sampling tube 1.
Specifically, one end of the main sampling tube is provided with a hollow round table-shaped sampling port, the sampling port is communicated with the interior of the tube body of the main sampling tube, and the other end of the main sampling tube is provided with two main clamping holes 11 with the same size and at least two main matching keys 12; one end of the main matching key 12 is flush with the section of the end face of the main sampling tube where the main matching key is located, and at least two main matching keys 12 are uniformly distributed on the outer circumferential surface of the main sampling tube and used for being connected with the L-shaped clamping grooves 53 in the fastening assembly. The main card hole 11 is located below the main mating key 12 with a certain distance therebetween. Two main card holes 11 are distributed on the main sampling tube in a relatively coaxial and uniformly distributed manner and are used for being matched with semi-ring buckle keys 22 on the semi-ring buckles 2, and the two main card holes 11 can penetrate through the main sampling tube, and certainly can also be in a counter bore form on the main sampling tube.
More specifically, half face combination sampling pipe is formed by two semicircle venturi tubes combinations, first semicircle venturi tube and second semicircle venturi tube, and every end of every semicircle venturi tube surface has at least one semicircle venturi tube cooperation key 31 for be connected with L shape joint groove 53 in the connecting cylinder 5, as shown in figure 4 after the combination, have two semicircle venturi tube cooperation keys 31 on the surface of the one end of first semicircle venturi tube and second semicircle venturi tube at least, and the one end of semicircle venturi tube cooperation key 31 is with the cross-section parallel and level of the one end of the semicircle venturi tube that self locates, and the equipartition is on the surface of two semicircle venturi tubes. Meanwhile, two ends of each semicircular pipe are respectively provided with a semicircular pipe clamping hole 32 for matching with the semicircular buckle key 22 on the semicircular buckle 2, and the semicircular pipe clamping holes 32 are positioned below the semicircular pipe matching key 31. As shown in fig. 4, two ends of each semicircular tube are respectively provided with a semicircular tube clamping hole 32, after the half-combined sampling tube is synthesized, each end of the half-combined sampling tube is distributed with a group of semicircular tube clamping holes 32, and the group of semicircular tube clamping holes 32 at the same end are coaxially opposite in position.
On the basis of the above embodiments, the fastening assembly includes the connecting cylinder 5 and the half-ring buckle 2.
Specifically, the axial both ends inner peripheral portion of connecting cylinder 5 is equipped with the joint groove 53 that can respectively with semicircle pipe cooperation key 31 and main cooperation key 12 joint, more specifically, joint groove 53 is the L type, and joint groove 53 includes axial section and circumference section, semicircle pipe cooperation key 31 and main cooperation key 12 can follow the public intersection bottom that the axial section removed to axial section and circumference section, so that semicircle pipe cooperation key 31 and main cooperation key 12 can follow the circumference section rotation of joint groove 53, until the circumference section bottom of joint groove 53, make semicircle pipe cooperation key 31 and main cooperation key 12 and joint groove 53 cooperate completely.
More specifically, the half-ring buckle 2 is made of an elastic steel material and is composed of a half-ring buckle frame 21 and a half-ring buckle key 22. The semi-ring buckle frame 21 is composed of an arc section and two axial sections, and is fixed in a buckle fixing groove 52 on the connecting cylinder 5 during connection, each tail end of the arc section is provided with an axial section vertical to the arc section, the length of the axial section is determined by the distance between two half-ring buckle keys 22 on the axial section, two ends of each axial section are provided with one semi-ring buckle key 22, and then four semi-ring buckle keys 22 are arranged on each semi-ring buckle 2 in total, and are used for being matched with a cylinder clamp hole 51 on the connecting cylinder 5, a main clamp hole 11 on the main sampling tube and a semi-circular tube clamp hole 32 on the semi-surface combined sampling tube to fix and connect the main sampling tube and the semi-surface combined sampling tube during connection.
Further, the side wall of the connecting cylinder 5 is provided with cylinder clamping holes 51 which can respectively correspond to the semicircular pipe clamping holes 32 and the main clamping holes 11, and the periphery of the connecting cylinder 5 is also provided with a buckle fixing groove 52 which can be connected with each cylinder clamping hole 51; the half-ring buckle 2 comprises a half-ring buckle frame 21 which can be buckled with the buckle fixing groove 52, and a half-ring buckle key 22 arranged on the half-ring buckle frame 21, wherein the half-ring buckle key 22 can penetrate through the cylinder clamp hole 51, the semicircular pipe clamp hole 32 and the main clamp hole 11.
Specifically, the inner diameter of the connecting cylinder 5 is equal to the outer diameter of the main sampling tube and the half-face combined sampling tube, the concave ring-shaped buckle fixing grooves 52 formed by combining with the rounded rectangle are distributed on the outer surface and used for fixing the semi-ring buckle frame 21, the rounded rectangle sections are concentrically and relatively uniformly arranged on the outer surface of the connecting cylinder 5, and two cylinder clamping holes 51 equal to the rounded rectangle rounded corner radius are formed in the two tail ends of each rounded rectangle section. As can be seen from fig. 3, the fastening fixing groove 52 has two rounded rectangular sections, so there are four cylinder fastening holes 51 that are grouped in pairs and relatively uniformly arranged concentrically on the connecting cylinder 5, for matching with the four half ring fastening keys 22 on the half ring fastening 2; the barrel fastening holes 51 completely penetrate through the connecting barrel 5, the distance between the two barrel fastening holes 51 is determined by the distance between the two half-ring buckle keys 22 on the same side, the circle centers of the two barrel fastening holes 51 on the same side are located on the same straight line, and the circle centers of the two opposite barrel fastening holes 51 are also located on the same straight line.
The inner surfaces at two ends of the connecting cylinder 5 are provided with two groups of L-shaped clamping grooves 53 which are downwards sunken and uniformly distributed along the circumferential direction and are used for being matched with the main matching keys 12 on the main sampling tube and the semicircular tube matching keys 31 on the semi-surface combined sampling tube to play a role in connecting the main sampling tube and the semi-surface combined sampling tube, and the quantity of the L-shaped clamping grooves 53 on the inner surface at each end of the connecting cylinder 5 is the same as that of the main matching keys 12 on the main sampling tube and the semicircular tube matching keys 31 on the semi-surface combined sampling tube.
Above-mentioned setting, through fastening components's use, the degree of wear when effectively reducing main sampling pipe 1 and half face combination sampling pipe 3 and connecting improves this sampling device's life, simultaneously, through the setting of semi-ring buckle 2, can realize that main sampling pipe 1 and half face combination sampling pipe 3's circumference is fixed, and then makes this sampling device can do rotary motion at the necessary moment of sampling in-process, improves sampling efficiency.
It should be noted here that the sum of the number of the main fastening holes 11 on the main sampling tube and the number of the semicircular fastening holes 32 on one end of the half combination sampling tube is equal to the number of the cylinder fastening holes 51 on the connecting cylinder 5 and the number of the semicircular buckle keys 22 on the semicircular buckle 2. The main sampling tube, the half-surface combined sampling tube and the clamping holes on the three parts are positioned on the same axis after the connecting cylinder 5 is assembled.
In addition to the above embodiments, the inner circumferential intermediate position of the connecting cylinder 5 further includes an inner cylinder step 54 for regulating the axial positions of the main sampling tube 1 and the half pack sampling tube 3, and the inner cylinder step is positioned in the axial direction when the main sampling tube and the half pack sampling tube are attached.
Specifically, in the retractable sampling device provided by the embodiment, when only the main sampling tube participates in sampling, the fastening assembly is not needed, the retractable sampling hose 4 is only needed to be placed into the main sampling tube, after the hose guide sleeve 41 on the retractable sampling hose 4 moves to the sampling opening, the main sampling tube is inserted into the grain pile, the other end of the retractable sampling hose 4 is connected to the suction nozzle of the electric suction type sampler, and the sampling operation is completed by starting the electric suction type sampler;
when the main sampling tube is taken out, firstly, the electric suction type sampler is closed, the telescopic sampling hose 4 is pulled out and connected to one end of a suction nozzle of the electric suction type sampler, and then the main sampling tube is pulled out from the grain pile by using an external auxiliary device;
when the main sampling tube and the half-combined sampling tube participate in sampling, the main matching key 12 on the surface of the main sampling tube is matched with the L-shaped clamping groove 53 in the connecting cylinder 5, when the main matching key 12 is matched, the main matching key 12 is aligned with the axial section of the L-shaped clamping groove 53 in one end of the connecting cylinder 5 and moves downwards along the axial section until the main matching key moves to the bottommost part of the L-shaped clamping groove 53, at the moment, the main sampling tube or the chain connecting cylinder is rotated, so that the main matching key 12 rotates along the circumferential section of the L-shaped clamping groove 53 until the main matching key cannot move, and at the moment, the main clamping hole 11 on the main sampling tube is exactly aligned with the cylinder clamping hole 51 on the connecting cylinder 5 and is positioned on the same axial position; at this time, the telescopic sampling hose 4 is put into the main sampling tube through the connecting cylinder 5, after the hose guide sleeve 41 on the telescopic sampling hose 4 moves to the sampling hole, the main sampling tube is inserted into the grain pile, at this time, the other end of the telescopic sampling hose 4 is connected to the suction nozzle of the electric suction type sampling device, the electric suction type sampling device is started, the main sampling tube starts to descend into the grain pile, and part of the body of the main sampling tube enters into the grain pile, then the half-surface combined sampling tube is installed and connected, the telescopic sampling hose 4 is clamped between the two half-surface tubes forming the half-surface combined sampling tube, the concave-convex guide grooves on the half-surface tubes are aligned and installed, thus a complete half-surface combined sampling tube is formed, the telescopic sampling hose 4 is arranged in the half-surface combined sampling tube, then the half-surface combined sampling tube moves along the telescopic sampling hose 4, and then the half-surface combined sampling tube on one end surface of the half-surface combined sampling tube is matched with the key 31 to be aligned with the axial section of the L-shaped clamping groove 53 in the other end of the connecting cylinder 5 and moves along the axial section to the bottom of the L-shaped clamping groove 53; then, the half-face combined sampling tube is rotated to enable the half-round tube matching key 31 to rotate along the circumferential section of the L-shaped clamping groove 53 until the half-round tube matching key cannot rotate, at the moment, the half-round tube clamping hole 32 on the half-face combined sampling tube is exactly aligned with the cylinder clamping hole 51 on the connecting cylinder 5 and is positioned on the same axial position, then the half-ring buckling key 22 on the elastic half-ring buckle 2 is matched with the main clamping hole 11, the half-round tube clamping hole 32 and the cylinder clamping hole 51, the half-ring buckling frame 21 is fixed in the buckle fixing groove 52, and the main sampling tube and the half-face combined sampling tube are connected under the action of the connecting cylinder 5 and the half-ring buckle 2. When a plurality of half-surface combined sampling tubes need to be connected, deeper sampling can be realized by only repeating the mounting steps of the half-surface combined sampling tubes;
when the main sampling tube and the half-combined sampling tube are disassembled, the half-ring buckle keys 22 on the half-ring buckles 2 are taken out of the matched main clamping holes 11, the half-ring pipe clamping holes 32 and the barrel clamping holes 51, the half-ring buckles 2 are removed from the buckle fixing grooves 52 on the connecting barrel 5, then the half-combined sampling tube rotates towards the direction opposite to the installation rotation of the circumferential section of the L-shaped clamping grooves 53, when the half-combined sampling tube cannot rotate, the half-combined sampling tube is pulled towards the outer side of the connecting barrel 5 along the axial section of the L-shaped clamping grooves 53 until the half-combined sampling tube is loosened after being completely pulled out from the connecting barrel 5, the half-combined sampling tube can be automatically separated into two halves, and then the main sampling tube is pulled out of a grain pile by using an external pulling-out auxiliary device, so that the disassembling and pulling-out processes of the sampling tube are completed.
This scalable sampling device, can effectively solve current sampling union coupling total time consumption length, sampling union coupling department is easy wearing and tearing, sampling pipe can't rotate scheduling problem in the grain heap when sampling union coupling department gas leakage and sampling, improve the speed and the life of sampling union coupling, can both rotate anticlockwise and clockwise when making sampling pipe sampling in the grain heap when necessary, and the phenomenon that the junction is not hard up and the sampling pipe drops does not appear, further increase the sampling depth of sampling pipe, the time of practicing thrift the sampling, the efficiency of improvement sampling.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The retractable sampling device provided by the present invention has been described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (7)
1. The telescopic sampling device is characterized by comprising a main sampling tube (1), a telescopic sampling hose (4) with one end placed in the main sampling tube (1) and a half combined sampling tube (3) sleeved on the outer peripheral part of the telescopic sampling hose (4); the half-surface combined sampling tube (3) comprises a first semicircular tube and a second semicircular tube which can surround the telescopic sampling hose (4), and the first semicircular tube and the second semicircular tube are clamped with the main sampling tube (1) through a fastening assembly after being assembled;
semicircular tube matching keys (31) are arranged at two ends of the first semicircular tube and the second semicircular tube, a main matching key (12) is arranged at one end, far away from the sampling opening (13), of the main sampling tube (1), and the semicircular tube matching keys (31) and the main matching key (12) are simultaneously clamped with the fastening assembly;
semicircular tube clamping holes (32) are further formed in the two ends of the first semicircular tube and the second semicircular tube, a main clamping hole (11) is formed in one end, away from a sample inserting opening (13), of the main sample inserting tube (1), the semicircular tube clamping holes (32) and the main clamping hole (11) are clamped with the fastening assembly simultaneously to limit circumferential rotation of the first semicircular tube, the second semicircular tube and the main sample inserting tube (1), and the main sample inserting tube (1) and the half-surface combined sample inserting tube (3) are fixed inside the fastening assembly;
the fastening assembly comprises a connecting cylinder (5) and a semi-ring buckle (2); the semi-ring buckle (2) is made of elastic steel; clamping grooves (53) which are respectively clamped with the semicircular pipe matching key (31) and the main matching key (12) are formed in the inner peripheral parts of the two axial ends of the connecting cylinder (5), cylinder clamping holes (51) which respectively correspond to the semicircular pipe clamping holes (32) and the main clamping holes (11) are formed in the side wall of the connecting cylinder (5), and clamping fixing grooves (52) which are connected with the cylinder clamping holes (51) are further formed in the outer peripheral part of the connecting cylinder (5); the semi-ring buckle (2) comprises a semi-ring buckle frame (21) clamped with the buckle fixing groove (52) and a semi-ring buckle key (22) arranged on the semi-ring buckle frame (21), and the semi-ring buckle key (22) penetrates through the cylinder clamp hole (51), the semi-circular pipe clamp hole (32) and the main clamp hole (11).
2. A retractable sampling device according to claim 1, wherein the main sampling tube (1) has an annular step surface on its inner circumference near the sampling port (13), said step surface having magnetically attracting means, and one end of the retractable sampling hose (4) has a hose guide sleeve (41) attracting the magnetically attracting means at the step surface, said step surface having dimensions corresponding to the end dimensions of the hose guide sleeve (41).
3. A retractable sampling device according to claim 1, wherein the retractable sampling hose (4) is provided with a plurality of axially retractable hose reinforcing ribs (42) at intervals.
4. A retractable sampling device according to claim 1, wherein the side edges of the first semi-circular tube are provided with guide projections (33) and the side edges of the second semi-circular tube are provided with guide grooves (34) engageable with the guide projections (33).
5. A retractable sampling device according to claim 1, wherein the semi-circular tube snap holes (32) on the first and second semi-circular tubes are oppositely located and coaxially disposed; two main clamping holes (11) which are opposite in position and are coaxially arranged are formed in the main sampling tube (1).
6. The retractable sampling device according to claim 1, wherein the catch slot (53) is L-shaped and the catch slot (53) comprises an axial section and a circumferential section, the semi-circular tube engagement key (31) and the main engagement key (12) being movable along the axial section to a bottom of a common intersection of the axial section and the circumferential section such that the semi-circular tube engagement key (31) and the main engagement key (12) are rotatable along the circumferential section until fully engaged with the catch slot (53).
7. A retractable skewer device as claimed in claim 1, wherein the inner circumference of the connecting drum (5) is further provided with an inner drum step (54) for limiting the axial position of the main skewer tube (1) and the half-pack skewer tube (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710560740.4A CN107131190B (en) | 2017-07-11 | 2017-07-11 | Scalable sample device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710560740.4A CN107131190B (en) | 2017-07-11 | 2017-07-11 | Scalable sample device |
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| Publication Number | Publication Date |
|---|---|
| CN107131190A CN107131190A (en) | 2017-09-05 |
| CN107131190B true CN107131190B (en) | 2023-02-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710560740.4A Active CN107131190B (en) | 2017-07-11 | 2017-07-11 | Scalable sample device |
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| Country | Link |
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| CN (1) | CN107131190B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109900237A (en) * | 2017-12-11 | 2019-06-18 | 上海岩土工程勘察设计研究院有限公司 | A kind of more piece steel reinforcement cage ground wall deviational survey pipe connection and installation method |
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| GB484553A (en) * | 1936-09-29 | 1938-05-06 | John Ivar Olsson | Hose coupling |
| GB972597A (en) * | 1962-08-02 | 1964-10-14 | Stichting Waterbouwkundig Lab | Improvements relating to soil sample cutters |
| US3690389A (en) * | 1969-02-07 | 1972-09-12 | Roelof Van De Beld | Method and an apparatus for taking an undisturbed soil sample |
| US4815645A (en) * | 1987-06-15 | 1989-03-28 | Higgins Paul D | Retractable hose guide |
| US5146928A (en) * | 1992-01-30 | 1992-09-15 | Theodor Esser | Sampling device for collecting microbiological biopsy specimen |
| US6058790A (en) * | 1999-01-26 | 2000-05-09 | Pratt; David W. | Adjustable length sampler tube |
| CN204944863U (en) * | 2015-08-17 | 2016-01-06 | 甄精莲 | A kind of geologic sampling tube |
| CN206235480U (en) * | 2016-11-14 | 2017-06-09 | 中国石油化工股份有限公司 | The attachment structure of lighter hydrocarbons liquefied gas safely and fast sampler |
| CN207080459U (en) * | 2017-07-11 | 2018-03-09 | 广东工业大学 | A kind of scalable sampling device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140300101A1 (en) * | 2013-04-03 | 2014-10-09 | Larry F. Bobenhausen | Method and Apparatus for Connecting a Hose to a Fitting |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB484553A (en) * | 1936-09-29 | 1938-05-06 | John Ivar Olsson | Hose coupling |
| GB972597A (en) * | 1962-08-02 | 1964-10-14 | Stichting Waterbouwkundig Lab | Improvements relating to soil sample cutters |
| US3690389A (en) * | 1969-02-07 | 1972-09-12 | Roelof Van De Beld | Method and an apparatus for taking an undisturbed soil sample |
| GB1304701A (en) * | 1969-02-07 | 1973-01-31 | ||
| US4815645A (en) * | 1987-06-15 | 1989-03-28 | Higgins Paul D | Retractable hose guide |
| US5146928A (en) * | 1992-01-30 | 1992-09-15 | Theodor Esser | Sampling device for collecting microbiological biopsy specimen |
| US6058790A (en) * | 1999-01-26 | 2000-05-09 | Pratt; David W. | Adjustable length sampler tube |
| CN204944863U (en) * | 2015-08-17 | 2016-01-06 | 甄精莲 | A kind of geologic sampling tube |
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| CN207080459U (en) * | 2017-07-11 | 2018-03-09 | 广东工业大学 | A kind of scalable sampling device |
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| Publication number | Publication date |
|---|---|
| CN107131190A (en) | 2017-09-05 |
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