CN214702856U - Columnar mud sampler capable of controlling mud sampling thickness - Google Patents

Abstract

The utility model discloses a steerable column mud sampler of adopting mud thickness, connect pole, centre gripping subassembly and adopt the mud pipe, the centre gripping subassembly is connected and is connect the pole and adopt the mud pipe and fixed to adopting the mud pipe centre gripping, it is equipped with spiral inner core in the middle of the mud pipe to adopt, the upper portion of spiral inner core is scalable pole, and the centre gripping subassembly is connected to scalable pole top, and spiral inner core lower part is equipped with double-deck spiral, and double-deck spiral's outer fringe and the tangent joint of adopting the mud pipe inner wall, it is equipped with leak protection fixing device to adopt the outside cover of mud pipe, leak protection fixing device can be along adopting the mud pipe slip and in adopting the closed fixed bottom the mud pipe. The utility model discloses can adjust the distance between spiral inner core and the leak protection fixing device, the thickness of mud appearance is gathered to the common control mud pipe bottom. The device effectively solves the adverse effect of factors such as water wave disturbance on mud collection work, reduces the phenomenon of falling of sediments in a mud collection pipe, is beneficial to collection of samples, is convenient to carry, is stable and efficient, and improves the precision of experiments.

Description

Columnar mud sampler capable of controlling mud sampling thickness

Technical Field

The utility model relates to a steerable column mud sampler of adopting mud thickness belongs to and adopts mud technical field.

Background

At present, the columnar mud sampler is widely used for collecting bottom mud of reservoirs, lakes and rivers, the characteristics of the bottom mud can not be basically damaged when the columnar mud sampler collects mud samples, the vertical layering characteristic of the bottom mud is kept, and the columnar mud sampler is an important means for obtaining bottom mud layering samples. The thickness that domestic glass column mud sampler commonly used can not accurate control gathers mud sample leads to being difficult to control the same experiment background, changes the mud sample thickness of adopting in the mud pipe through manual operation usually, and the operation degree of difficulty is big, has increased the sampling degree of difficulty, and it is more to consume time to adopt the mud column not to set up anti-backflow device, the mud sample easily drops, influences the experiment precision simultaneously.

The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome not enough among the prior art, provide a column mud sampler of steerable mud thickness of adopting, not only can control the thickness of gathering the mud sample, can also prevent that the mud sample from droing and the upwards seepage of mud sample, improve the efficiency and the precision of gathering.

In order to achieve the purpose, the utility model is realized by adopting the following technical scheme:

the utility model provides a steerable columnar mud sampler of adopting mud thickness, is including connecting pole, centre gripping subassembly and adopting the mud pipe, the centre gripping subassembly is connected and is connect the pole and adopt the mud pipe and to adopting the mud pipe centre gripping fixed, it is equipped with spiral inner core to adopt in the middle of the mud pipe, the upper portion of spiral inner core is scalable pole, and centre gripping subassembly is connected to scalable pole top, and spiral inner core lower part is equipped with double-deck spiral, and double-deck spiral's outer fringe and adopting mud intraductal wall to close mutually, it is equipped with leak protection fixing device to adopt the outside cover of mud pipe, leak protection fixing device can be followed and adopted the slip of mud pipe and in adopting the closed fixed bottom the mud pipe.

Preferably, the centre gripping subassembly includes through connection's last base, well base and lower base, the upper portion of going up the base with connect pole threaded connection, the lower part and the scalable pole top threaded connection of spiral inner core, well base bottom is equipped with the recess, and lower base top is equipped with the arch of complex with it, adopt mud pipe upper end to pass down the base, the clearance between recess and the arch is encircleed and is equipped with the elasticity clamping ring in adopting mud pipe upper end. When the gap between the middle base and the lower base is reduced, the elastic clamping ring is extruded and elastically deformed to clamp the upper end part of the mud collecting pipe, so that the mud collecting pipe is fixed and prevented from moving downwards under the action of self gravity.

Preferably, a plurality of groups of supporting pieces are arranged between the middle base and the upper base, each supporting piece is of a hollow structure, a connecting rod is arranged in each supporting piece, the upper end of each connecting rod penetrates through the upper base to be in threaded fit with the corresponding fastener, and the lower end of each connecting rod penetrates through the middle base to be fixedly connected to the lower base; the fastener is abutted against the upper surface of the upper base. In the process of screwing the fastener, the connecting rod inside the support piece drives the lower base to move upwards, the middle base cannot move upwards under the limiting effect of the support piece, and then the gap between the middle base and the lower base is reduced to extrude the elastic clamping ring. Still further preferably, the support members are provided with four groups, and are uniformly distributed on the edge of the clamping assembly to keep the structure balance.

Preferably, connect the extension rod top, the extension rod is a plurality of, and a plurality of extension rods can dismantle the connection in proper order to this adjusts the degree of depth that the mud sampler can carry out the sampling. The extension rod, the extension rod and the extension rod can be connected through threads.

Preferably, the telescopic rod on the upper part of the spiral inner core comprises a plurality of sections of telescopic sections connected through threads, the length of the telescopic rod can be adjusted by screwing the connecting rod, the distance between the bottom end of the spiral inner core and the bottom end of the mud collecting pipe is adjusted, and then the mud thickness is collected through control. The spiral inner core can be made of transparent materials the same as the mud collecting pipe.

Preferably, a plurality of slide rails are fixed to centre gripping subassembly bottom, the slide rail encircles and sets up in adopting the mud pipe outside and parallel with adopting the mud pipe, leak protection fixing device sliding connection is in the slide rail, leak protection fixing device lower extreme is the back taper bottom surface, the back taper bottom surface is the fly leaf, with slide rail bottom cooperation with closed and fixed leak protection fixing device.

Further preferably, the bottom of the slide rail is spherical, and a spherical cavity matched with the spherical end of the bottom of the slide rail is designed in the inverted conical bottom surface. When the anti-leakage fixing device slides to the bottom of the sliding rail, the spherical end of the bottom of the sliding rail enters the spherical cavity of the anti-leakage fixing device to drive the inverted conical bottom surface to be closed upwards, and the anti-leakage fixing device can not be opened again under the non-artificial condition after the bottom surface is fixed by the structure, so that the anti-leakage effect is further guaranteed.

Preferably, the anti-leakage fixing device is further connected with a traction rope, and the clamping assembly is provided with a rope through hole for connecting the traction rope. Still further preferably, a traction rod can be arranged on the bottom surface of the inverted cone, the end part of the traction rod can be connected with a traction rope through a buckle, and a rope through hole in the clamping assembly can directly penetrate through the traction rope or can be connected with the traction rope through the buckle. The anti-leakage fixing device can be pulled to slide along the sliding rail by the traction of the traction rope, and the position of the anti-leakage fixing device is adjusted.

Preferably, the upper side wall of the anti-leakage fixing device is provided with an overflow hole, so that water brought in from the sampling process can be drained.

Compared with the prior art, the utility model discloses the beneficial effect who reaches:

the utility model discloses a spiral inner core and leak protection fixing device cooperate, can adjust the distance between spiral inner core and the leak protection fixing device, and the thickness of mud appearance is gathered to the mud pipe bottom is adopted in common control. Meanwhile, the arrangement of the anti-leakage fixing device ensures that the anti-leakage fixing device is automatically closed and drags the sediment in the mud collecting pipe after being fixed, so that the mud sample is prevented from falling off, and the sediment in the mud collecting pipe is ensured to be collected smoothly. Adopt mud ware to have solved factor such as water wave disturbance effectively and to adopting the adverse effect of mud work, has reduced the phenomenon of adopting deposit landing in the mud pipe, is favorable to the collection of sample, and conveniently carries, and is stable high-efficient, improves the precision of experiment.

Drawings

Fig. 1 is a schematic structural view of a columnar mud sampler capable of controlling mud sampling thickness provided by the embodiment of the utility model.

Fig. 2 is a plan view of the pillar-shaped dredger according to the embodiment.

FIG. 3 is a schematic structural diagram of a clamping assembly according to an embodiment.

Fig. 4 is a schematic structural view of the spiral core according to the embodiment.

FIG. 5 is a schematic view of the structure of the leakage preventing fixture according to the embodiment.

FIG. 6 is a bottom view of the closed lower bottom of the leak-proof fixture of the embodiment.

In the figure: 1. an extension pole; 2. a connecting rod; 3. a clamping assembly; 31. an upper base; 32. a middle base; 33. a lower base; 34. an elastic clamping ring; 35. a support member; 351. a connecting rod; 36. a fastener; 4. a mud collecting pipe; 5. a spiral inner core 51, a telescopic rod 511-a first telescopic section and 512-a second telescopic section; 52-double-layer spiral, 6, leak-proof fixing device; 61. an inverted conical bottom surface; 62. a spherical cavity; 63. a side wall; 64. an overflow hole; 65. a draw bar; 7. a slide rail; 71. a spherical end; 8. a hauling rope; 9. a rope through hole; 10. and (5) buckling.

Detailed Description

The present invention will be further described with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and simplification of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Examples

According to the column mud sampler of steerable mud thickness of adopting that fig. 1 and fig. 2 show, including connecting pole 2, centre gripping subassembly 3 and adopting mud pipe 4, centre gripping subassembly 3 connects to connect pole 2 and adopts mud pipe 4 and to adopting mud pipe 4 centre gripping fixed, it is equipped with spiral inner core 5 to adopt the centre of mud pipe 4, the upper portion of spiral inner core 5 is scalable pole 51, and centre gripping subassembly 3 is connected on scalable pole 51 top, and spiral inner core 5 lower part is equipped with double-deck spiral 52, and double-deck spiral 52's outer fringe and the interior wall of adopting mud pipe 4 coincide, it is equipped with leak protection fixing device 6 to adopt the outside cover of mud pipe 4, leak protection fixing device 6 can be followed and adopted mud pipe 4 to slide and in adopting mud pipe 4 bottom closed fixed.

As shown in fig. 3, the clamping assembly 3 comprises an upper base 31, a middle base 32 and a lower base 33 which are connected in a penetrating manner, the upper portion of the upper base 31 is in threaded connection with the extension rod 2, the lower portion of the upper base is in threaded connection with the top end of the telescopic rod 51 of the spiral inner core 5, a groove is formed in the bottom of the middle base 32, a protrusion matched with the lower base 33 is arranged at the top of the lower base 33, the upper end of the mud collecting pipe 4 penetrates through the lower base 33, and an elastic clamping ring 34 is arranged at the upper end of the mud collecting pipe 4 in a surrounding mode through a gap between the groove and the protrusion. When the gap between the middle base 32 and the lower base 33 becomes smaller, the elastic clamping ring 34 is extruded, the elastic clamping ring 34 elastically deforms, and clamps the upper end part of the mud collecting pipe 4, so that the mud collecting pipe 4 is fixed, and the mud collecting pipe 4 is prevented from moving downwards under the action of self gravity. Four groups of support pieces 35 are arranged between the middle base 32 and the upper base 31 and are uniformly distributed on the edge of the clamping assembly 3, each support piece 35 is of a hollow structure, a connecting rod 351 is arranged in each support piece 35, the upper end of each connecting rod 351 penetrates through the upper base 31 to be in threaded fit with a fastener 36, and the lower end of each connecting rod 351 penetrates through the middle base 32 to be fixedly connected to the lower base 33; the fastener 36 abuts against the upper surface of the upper base 31. In the process of screwing the fastening piece 36, the connecting rod 351 inside the support piece 35 drives the lower base 33 to move upwards, the middle base 32 cannot move upwards under the limiting effect of the support piece 35, and then the gap between the middle base 32 and the lower base 33 is reduced to extrude the elastic clamping ring 34.

This embodiment connect extension rod 1 at 2 tops of pole, extension rod 1 is a plurality of, and a plurality of extension rods 1 can dismantle the connection in proper order to this adjusts the degree of depth that the mud sampler can carry out the sampling. The extension rod 2 is connected with the extension rod 1 and the extension rod 1 through threads.

This embodiment but telescopic link 51 on spiral inner core 5 upper portion is the flexible section that a plurality of sections pass through threaded connection, as shown in fig. 4, including first flexible section 511 and the flexible section 512 of second, first flexible section 511 top threaded connection is in last base 31 bottom surface, first flexible section 511, the flexible section 512 of second and spiral inner core 5 body are threaded connection, can adjust the length of telescopic link through twisting each flexible section, adjust the distance in spiral inner core 5 bottom and 4 bottoms of adopting the mud pipe, and then the mud thickness is adopted in control.

This embodiment a plurality of fixed slide rails 7 in 3 bottoms of centre gripping subassemblies, slide rail 7 encircles and sets up in adopting the mud pipe 4 outsides and with adopt mud pipe 4 parallel, 6 sliding connection in slide rail 7 of leak protection fixing device, 6 lower extremes of leak protection fixing device are back taper bottom surface 61, back taper bottom surface 61 is the fly leaf. The bottom of the slide rail 7 is a spherical end 71, and a spherical cavity 62 matched with the spherical end 71 at the bottom of the slide rail 7 is designed in the inverted conical bottom surface 61. When the anti-leakage fixing device 6 slides to the bottom of the slide rail 7, the spherical end 71 at the bottom of the slide rail 7 enters the spherical cavity 62 of the anti-leakage fixing device 6 to drive the inverted conical bottom surface 61 to be closed upwards, and the structure ensures that the bottom surface cannot be opened again under the non-artificial condition after being fixed, thereby further ensuring the anti-leakage effect. And the side wall 63 at the upper part of the leakage-proof fixing device 6 is provided with an overflow hole 64, so that water brought in during the sampling process can be drained.

In this embodiment, the inverted conical bottom surface 61 of the leak-proof fixing device 6 is further provided with a draw bar 65, the end of the draw bar 65 is connected with the hauling rope through a buckle, the clamping component 3 is provided with a rope through hole 9, and the rope through hole 9 is connected with the hauling rope 8 through a buckle 10. The anti-leakage fixing device 6 can be pulled to slide along the slide rail 7 by the traction of the traction rope 8, and the position of the anti-leakage fixing device 6 is adjusted.

The application method of the columnar mud sampler in the embodiment in mud sampling is as follows:

first, the fastening piece 36 is screwed, the support piece 35 drives the lower base 33 to move upwards, the middle base 32 cannot move upwards under the limit of the support piece 35, therefore, the gap between the middle base 32 and the lower base 33 becomes smaller so as to extrude the elastic clamping ring 34, the elastic clamping ring 34 elastically deforms, the inner diameter of the elastic clamping ring 34 becomes smaller, and therefore the elastic clamping ring 34 contacts with the upper end part of the mud collecting pipe 4 and clamps and fixes the upper end part of the mud collecting pipe 4. The spiral inner core 5 is adjusted in a rotating mode, the height of the bottom end of the spiral inner core 5 is controlled according to the thickness of a mud sample collected as required, the distance from the bottom end of the mud collecting pipe 4 is controlled, and the position of the anti-leakage fixing device 6 is adjusted through the traction rope 8 to be higher than the bottom end of the spiral inner core 4. And after the adjustment is finished, mud is extracted by using the mud extractor. Adopt mud and accomplish the back, upwards mention the mud sampler through connecting rod 2, leak protection fixing device 6 slides down under the action of gravity, slides to slide rail 7 bottom, and the spherical cavity 62 of leak protection fixing device 6 agrees with fixed leak protection fixing device 6 each other with the spherical end 71 of slide rail 7 bottom, prevents that the mud appearance from droing. And after the whole device is taken out, the mud collecting pipe 4 is taken out, and the lower end of the mud collecting pipe is plugged by a rubber plug to finish mud collecting work.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as the protection scope of the present invention.

Claims (10)

1. The utility model provides a steerable column of adopting mud thickness adopts mud ware, its characterized in that connects pole (2), centre gripping subassembly (3) and adopts mud pipe (4), centre gripping subassembly (3) connect pole (2) and adopt mud pipe (4) and fixed to adopting mud pipe (4) centre gripping, it is equipped with spiral inner core (5) to adopt mud pipe (4) centre, the upper portion of spiral inner core (5) is scalable pole (51), and centre gripping subassembly (3) are connected on scalable pole (51) top, and the lower part of spiral inner core (5) is equipped with double-deck spiral (52), and the outer fringe and the interior wall of adopting mud pipe (4) of double-deck spiral (52) are fit mutually, it is equipped with leak protection fixing device (6) to adopt mud pipe (4) outside cover, leak protection fixing device (6) can be followed and adopted mud pipe (4) to slide and in adopting mud pipe (4) bottom closed fixed.

2. The columnar mud sampler with controllable mud sampling thickness according to claim 1, wherein the clamping assembly (3) comprises an upper base (31), a middle base (32) and a lower base (33) which are connected in a penetrating way, the upper part of the upper base (31) is in threaded connection with the connecting rod (2), the lower part of the upper base is in threaded connection with the top end of the telescopic rod (51) of the spiral inner core (5), a groove is formed in the bottom of the middle base (32), a protrusion matched with the top of the lower base (33) is formed in the top of the lower base, the upper end of the mud sampling pipe (4) penetrates through the lower base (33), and an elastic clamping ring (34) is arranged at the gap between the groove and the protrusion and surrounds the upper end of the mud sampling pipe (4).

3. The columnar mud sampler capable of controlling mud sampling thickness according to claim 2, wherein a plurality of groups of support members (35) are arranged between the middle base (32) and the upper base (31), the support members (35) are of hollow structures, a connecting rod (351) is arranged inside the support members, the upper end of the connecting rod (351) penetrates through the upper base (31) to be in threaded fit with the fastening piece (36), and the lower end of the connecting rod penetrates through the middle base (32) to be fixedly connected to the lower base (33); the fastener (36) abuts against the upper surface of the upper base (31).

4. The columnar mud sampler capable of controlling mud sampling thickness according to claim 3, wherein the supporting members (35) are provided with four groups, and are uniformly distributed on the edge of the clamping assembly (3).

5. The columnar mud sampler capable of controlling mud sampling thickness according to claim 1, wherein the top of the connecting rod (2) is connected with a plurality of extension rods (1), the extension rods (1) are multiple, and the extension rods (1) are sequentially detachably connected.

6. The columnar mud sampler capable of controlling the mud sampling thickness according to claim 1, wherein the telescopic rod (51) at the upper part of the spiral inner core (5) comprises a plurality of telescopic sections which are connected through screw threads.

7. The columnar mud sampler with controllable mud sampling thickness according to claim 1, characterized in that a plurality of slide rails (7) are fixed at the bottom of the clamping assembly (3), the slide rails (7) are arranged around the mud sampling pipe (4) and are parallel to the mud sampling pipe (4), the leakage-proof fixing device (6) is connected to the slide rails (7) in a sliding manner, the lower end of the leakage-proof fixing device (6) is an inverted cone-shaped bottom surface (61), and the inverted cone-shaped bottom surface (61) is a movable plate and is matched with the bottom of the slide rails (7) to close and fix the leakage-proof fixing device (6).

8. The columnar mud sampler capable of controlling the mud sampling thickness according to the claim 7 is characterized in that the bottom of the slide rail (7) is a spherical end (71), and the inverted conical bottom surface (61) is internally designed with a spherical cavity (62) which is matched with the spherical end (71) at the bottom of the slide rail.

9. The columnar mud sampler capable of controlling mud sampling thickness according to claim 7, wherein the leakproof fixing device (6) is also connected with a traction rope (8), and the clamping assembly (3) is provided with a through rope hole (9) for connecting with the traction rope (8).

10. The columnar mud sampler capable of controlling the mud sampling thickness according to claim 7, wherein the side wall (63) at the upper part of the leakage-proof fixing device (6) is provided with an overflow hole (64).

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