CN202119645U

CN202119645U - Sampling device of flammable ice

Info

Publication number: CN202119645U
Application number: CN2011202354731U
Authority: CN
Inventors: 王佟; 唐胜利
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-07-05
Filing date: 2011-07-05
Publication date: 2012-01-18
Anticipated expiration: 2021-07-05

Abstract

The utility model discloses a sampling device of flammable ice, which comprises a cable coring double-tube structure. The cable coring double-tube structure consists of an outer tube assembly and an inner tube assembly. The outer tube assembly comprises an outer tube, an elastic clamp retaining head, a return tube and a coring drill. The elastic clamp retaining head is installed at the upper end of the return tube, and the coring drill is installed at the lower end of the outer tube. The inner tube assembly comprises an inner tube, a spear head, an elastic clamp, an elastic clamp seat, an elastic clamp support, a suspension ring and a cut-off device. The spear head is installed in the return tube, the elastic clamp is installed on the elastic clamp seat and located in an elastic clamp room, and the elastic clamp seat is installed at the upper end of the elastic clamp support. A plurality of core-protecting plates are rotatably connected to the bottom of a clamp spring seat. The plurality of core-protecting plates are at least two layers, a lower layer of core-protecting plate is located between upper layers of adjacent core-protecting plates, and each core-protecting plate is respectively connected with the clamp spring seat in eccentric mode. The sampling device of the flammable ice is capable of improving sealing performance of a flammable ice sample, simple in structure, convenient to use, strong in effectiveness, low in production cost and convenient for popularization and usage.

Description

A kind of combustible ice sampler

Technical field

The utility model relates to a kind of sampler, particularly relates to a kind of combustible ice sampler.

Background technology

Combustible ice is being commonly called as of gas hydrate.It is estimated that the contained total organic carbon of gas hydrate is equivalent to the twice of global known coal, oil and natural gas in the world.The prediction of international scientific circle, it is the best afterwards substitute energy of oil, rock gas.Be human 21 century can take over one of novel clean energy of utilization.Present investigation shows that South China Sea THE NORTHERN SLOPE, Nansha Trough and adjacent and East Sea Lu Po and Qinghai Province have all stored a large amount of combustible ice resources.

The combustible ice sampling technique is at present, narrows to manage with steel and does interior pipe, cooperates the single action double pipe structure to take sample, and there is following problem in this technology: one, take unprotect measure in the process, rock gas can leak in the sample, can not measure true rock gas content; Two, the two-tube technological trip-out time of commonsense method single action long, increased the probability of natural gas leaking in the sample; Three, pipe is low unlike pipe cost in the PVC in the steel, send the laboratory after can not directly sealing, and need use other sealable tank instead, has increased the probability that leaks so again.

The utility model content

The purpose of the utility model is to overcome above-mentioned deficiency of the prior art, and a kind of combustible ice sampler is provided.This combustible ice sampler can improve the sealing of combustible ice sample, and it is simple in structure, easy to use, validity is strong, production cost is low, is convenient to promote the use of.

For realizing above-mentioned purpose; The technical scheme that the utility model adopts is: a kind of combustible ice sampler; Comprise the wire line coring double pipe structure, said wire line coring double pipe structure comprises outer pipe assembly and inner tube assembly, and said outer pipe assembly comprises outer tube, plays block head, recovery tube and coring bit; Said bullet block head is installed in the upper end of recovery tube; The upper end of said outer tube and the lower ends of said recovery tube connect, and in the said recovery tube and the top that is positioned at outer tube forms bullet card chamber, and said coring bit is installed in the lower end of said outer tube; Said inner tube assembly comprises interior pipe, drags for spearhead, the bullet card, play the disconnected device of deck, bullet card frame, hanging ring and card; The said spearhead that drags for is installed in the recovery tube, and said bullet card is installed in and plays on the deck and to be positioned at said bullet card indoor, and said bullet deck is installed in the upper end of bullet card frame; In the said bullet card frame valve body is installed; Said valve body lower end is connected with axle, and said axle is connected with the hangoff receptacle that is arranged on outer tube wall through hanging ring, and the lower end of said axle is connected with bearing seat through thrust bearing; The upper end of pipe is connected with the lower end of said bearing seat in said; The disconnected device of said card comprise be installed in the pipe lower end clip spring seat be installed in a plurality of jump ring bodies on the clip spring seat, it is characterized in that: the bottom of said clip spring seat is rotatably connected to a plurality of cores that protect, a plurality of said cores that protect are at least two-layer; And lower floor protects protect core between adjacent on the upper strata of core, and each said core that protects all is connected with clip spring seat is eccentric.

Above-mentioned a kind of combustible ice sampler, it is characterized in that: the top of said jump ring body is provided with a plurality of pawl springs.

Above-mentioned a kind of combustible ice sampler is characterized in that: pipe is pipe in the PVC in said.

Above-mentioned a kind of combustible ice sampler, it is characterized in that: the outside surface of said outer tube is provided with hole enlarger.

Above-mentioned a kind of combustible ice sampler is characterized in that: each said core that protects all is connected through bearing pin and clip spring seat are eccentric.

Above-mentioned a kind of combustible ice sampler is characterized in that: the joint of pipe upper end extend in the bearing seat and through setting nut and is fixed on the bearing seat in said.

The utility model compared with prior art has the following advantages:

1, the utility model is simple in structure, novel and reasonable design.

2, the utility model protects core through polylith is set, can be when sample be upwards mentioned, with the lower end closed of sample, thereby improved the sealing of combustible ice sample.

3, the interior pipe of the utility model adopts pipe in the PVC, than the pipe that narrows that prior art adopts, adopts pipe in the PVC; Further improved the sealing of combustible ice sample; After sample promotes out, be transported to the laboratory pvc pipe cutting is got final product, very easy to use; And its low preparation cost, easy to utilize.

4, the utility model is provided with a plurality of pawls through the top at the jump ring body.Pawl spring is set, holds sample tightly, avoided sample in lifting process, not to be damaged through pawl spring.

5, the realization cost of the utility model is low, and result of use is good, is convenient to promote the use of.

In sum, the utility model is simple in structure, novel and reasonable design, and functional reliability is high, long service life.The sealing result of use that this combustible ice sampler can improve the combustible ice sample is good, is convenient to promote the use of.

Through accompanying drawing and embodiment, the technical scheme of the utility model is done further detailed description below.

Description of drawings

Fig. 1 is the one-piece construction synoptic diagram of the utility model.

Fig. 2 is the enlarged drawing at A place among Fig. 1.

Fig. 3 protects the syndeton synoptic diagram of core and clip spring seat for the utility model.

Description of reference numerals:

1-bullet block head; 2-drags for spearhead; The 3-recovery tube;

4-bullet card; 5-bullet card chamber; 6-bullet deck;

7-bullet card frame; The 8-valve body; The 9-hole enlarger;

The 10-axle; The 11-hanging ring; The 12-hangoff receptacle;

The 13-bearing seat; The 14-thrust bearing; The 15-setting nut;

The 16-joint; The 17-outer tube; Pipe in the 18-;

The 19-coring bit; The 20-pawl spring; 21-jump ring body;

The 22-clip spring seat; 23-protects core; The 24-bearing pin.

Embodiment

Like Fig. 1, Fig. 2 and a kind of combustible ice sampler shown in Figure 3; Comprise the wire line coring double pipe structure; Said wire line coring double pipe structure comprises outer pipe assembly and inner tube assembly; Said outer pipe assembly comprises outer tube 17, plays block head 1, recovery tube 3 and coring bit 19, and said bullet block head 1 is installed in the upper end of recovery tube 3, and the upper end of said outer tube 17 is connected with the upper end of said recovery tube 3; In the said the recovery tube 3 and top that is positioned at outer tube 17 forms bullet card chamber 5, and said coring bit 19 is installed in the lower end of said outer tube 17; Pipe 18 in said inner tube assembly comprises, drag for spearhead 2, bullet card 4, play deck 6, bullet card frame 7, hanging ring 11 and the disconnected device of card; The said spearhead 2 that drags for is installed in the recovery tube 3, and said bullet card 4 is installed on the bullet deck 6 and is positioned at said bullet card chamber 5, and said bullet deck 6 is installed in the upper end of bullet card frame 7; In the said bullet card frame 7 valve body 8 is installed; Said valve body 8 lower ends are connected with axle 10, and said axle 10 is connected with the hangoff receptacle 12 that is arranged on outer tube 17 inwalls through hanging ring 11, and said 10 lower end is connected with bearing seat 13 through thrust bearing 14; The upper end of pipe 18 is connected with the lower end of said bearing seat 13 in said; The disconnected device of said card comprise be installed in pipe 18 lower ends clip spring seat 22 be installed in a plurality of jump ring bodies 21 on the clip spring seat 22, the bottom of said clip spring seat 22 is rotatably connected to a plurality of cores 23 that protect, a plurality of said cores 23 that protect are at least two-layer; And lower floor protects protect core 23 between adjacent on the upper strata of core 23, and each said core 23 that protects all is connected with clip spring seat 22 off-centre.

As shown in Figure 1, preferred way is that the top of said jump ring body 21 is provided with a plurality of pawl springs 20.Pipe 18 is a pipe in the PVC in said.The outside surface of said outer tube 17 is provided with hole enlarger 9.The joint 16 of pipe 18 upper ends extend in the bearing seat 13 and through setting nut 15 and is fixed on the bearing seat 13 in said.As shown in Figure 3, each said core 23 that protects is all through bearing

24 and 22 eccentric connections of clip spring seat.

During use, the upper end of outer tube 17 is connected with drilling rod, and interior pipe 18 is owing to the effect of thrust bearing 14, when outer tube 17 revolutions; In pipe 18 self do not rotate, realize after coring bit 19 creeps into certain distance, through overshot with drag for spearhead 2 and cooperate and up mention sample; The up-down of overshot is driven by special hoist and wire rope, and jump ring body 21 is not closed cone, and it is conical that clip spring seat 22 inwalls are; When sample moves upward,, can embrace sample through the retraction tension force of pawl spring 20 then by the disconnected sample of jump ring body 21 cards; Protect core 23 simultaneously and under eccentric action of gravity, rotate, thereby certain sealing is carried out to sample in the lower end of sealing sample.Pipe 18 is a pipe in the PVC in said; Than the pipe that narrows that prior art adopts, pipe has further improved the sealing of combustible ice sample in the employing PVC, after sample promotes out; Being transported to the laboratory gets final product managing to cut in the PVC; Very easy to use, and its low preparation cost, easy to utilize.The utility model is provided with a plurality of pawl springs 20 through the top at jump ring body 21.Pawl spring 20 is set, holds sample tightly, avoided sample in lifting process, not to be damaged through pawl spring 20.

The above; It only is the preferred embodiment of the utility model; Be not that the utility model is done any restriction; Every according to the utility model technical spirit to any simple modification, change and equivalent structure transformation that above embodiment did, all still belong in the protection domain of the utility model technical scheme.

Claims

1. combustible ice sampler; Comprise the wire line coring double pipe structure; Said wire line coring double pipe structure comprises outer pipe assembly and inner tube assembly; Said outer pipe assembly comprises outer tube (17), plays block head (1), recovery tube (3) and coring bit (19), and said bullet block head (1) is installed in the upper end of recovery tube (3), and the lower ends of the upper end of said outer tube (17) and said recovery tube (3) connects; In the said recovery tube (3) and the top that is positioned at outer tube (17) forms bullet card chamber (5), and said coring bit (19) is installed in the lower end of said outer tube (17); Said inner tube assembly comprises interior pipe (18), drags for spearhead (2), bullet card (4), play deck (6), bullet card frame (7), hanging ring (11) and the card device that breaks; The said spearhead (2) that drags for is installed in the recovery tube (3); Said bullet card (4) is installed on the bullet deck (6) and is positioned at said bullet card chamber (5); Said bullet deck (6) is installed in the upper end of bullet card frame (7), and valve body (8) is installed in the said bullet card frame (7), and said valve body (8) lower end is connected with axle (10); Said axle (10) is connected with the hangoff receptacle (12) that is arranged on outer tube (17) inwall through hanging ring (11); The lower end of said axle (10) is connected with bearing seat (13) through thrust bearing (14), and the upper end of said interior pipe (18) is connected with the lower end of said bearing seat (13), and the disconnected device of said card comprises the clip spring seat (22) that is installed in interior pipe (18) lower end and is installed in a plurality of jump ring bodies (21) on the clip spring seat (22); It is characterized in that: the bottom of said clip spring seat (22) is rotatably connected to a plurality of cores (23) that protect; A plurality of said cores (23) that protect are at least two-layerly, and lower floor protects core (23) and be positioned at adjacent the protecting between the core (23) in upper strata, and each said core (23) that protects all is connected with clip spring seat (22) is eccentric.

2. a kind of combustible ice sampler according to claim 1 is characterized in that: the top of said jump ring body (21) is provided with a plurality of pawl springs (20).

3. a kind of combustible ice sampler according to claim 1 and 2 is characterized in that: pipe (18) is pipe in the PVC in said.

4. a kind of combustible ice sampler according to claim 1 and 2 is characterized in that: the outside surface of said outer tube (17) is provided with hole enlarger (9).

5. a kind of combustible ice sampler according to claim 1 and 2 is characterized in that: each said core (23) that protects all is connected through bearing pin (24) and clip spring seat (22) are eccentric.

6. a kind of combustible ice sampler according to claim 1 and 2 is characterized in that: the joint (16) of pipe (18) upper end extend in the bearing seat (13) and also is fixed on the bearing seat (13) through setting nut (15) in said.