CN202854157U

CN202854157U - Semi-automatic soil mechanical composition sample suction device

Info

Publication number: CN202854157U
Application number: CN 201220585030
Authority: CN
Inventors: 乔云发; 李宝山; 韩晓增
Original assignee: Northeast Institute of Geography and Agroecology of CAS
Current assignee: Northeast Institute of Geography and Agroecology of CAS
Priority date: 2012-11-08
Filing date: 2012-11-08
Publication date: 2013-04-03
Anticipated expiration: 2022-11-08

Abstract

The utility model provides a semi-automatic soil mechanical composition sample suction device, relating to a soil mechanical composition sample suction device, and aiming at solving the problems that in the process of determining the soil mechanical composition, a liquid suction pipe is large in depth error of a liquid pumping level, uneven in sample suction speed, large in test errors, a liquid suction pipe end is easily polluted and the working efficiency is low. Direction wheels are arranged at the bottoms of support legs of a support, a horizontal track is arranged on the upper surface of the support, a horizontal moving fin-tuning wheel, a horizontal moving coarse-tuning wheel, a vertical moving coarse-tuning wheel and a vertical moving fine-tuning wheel are respectively connected with a box body in a rotating manner, the box body is connected with a vertical track in a sliding manner, the horizontal moving coarse-tuning wheel is arranged on the horizontal track and connected with the horizontal track in a rolling manner, the vertical moving coarse-tuning wheel is connected with the vertical track in a rolling manner, each pipe clamp is fixedly arranged on the vertical track, the liquid suction pipe is clamped by a plurality of pipe clamps and communicated with a negative pressure barrel by a negative pressure pipe. The semi-automatic soil mechanical composition sample suction device is used for determining the soil mechanical composition.

Description

Semi-automatic soil mechanical composition sample absorbing device

Technical field

The utility model relates to a kind of soil mechanical composition sample absorbing device.

Background technology

The degree of accuracy that sample is inhaled in semi-automatic soil mechanical composition can have a huge impact analytical work, and in the mensuration process of soil mechanical composition, inhaling sample is one of very important link.Inhale the improper meeting of sample and make analytical work be subject to direct impact, error appears in analysis result, analyzes data and departs from, and can not reflect detection truth-value.Soil mechanical composition is inhaled in the sample process, and the stationarity of the stability of absorption sample position, the time of inhaling sample, suction tube, suction sample speed is very important.At present, the laboratory is pipette method commonly, in required time in the suction pipe suction solution, inhale sample with rubber pipette bulb with hand-held suction pipe, shortcoming is that the depth error of pipette suction liquid level is larger, it is inhomogeneous to inhale sample speed, then the general solution that sucks first few scaleover line adjust liquid level in the pipette, makes its concave meniscus and scale mark level, easy disturbance solution, test error is large, the imbibition tube head pollutes easily, inefficiency.

The utility model content

The utility model is large for the depth error of pipette suction liquid level in the mensuration process that solves soil mechanical composition, suction sample speed is inhomogeneous, test error large, the imbibition tube head pollutes and ineffective problem easily, and a kind of semi-automatic soil mechanical composition sample absorbing device is provided.

The utility model is to solve the problems of the technologies described above the technical scheme of taking to be: described device comprises support, it is characterized in that described device also comprises steering wheel, horizontal rail, negative tube, vertical track, move horizontally minitrim wheel, move horizontally the coarse adjustment wheel, vertical sliding is used force and is transferred wheel, vertical mobile minitrim wheel, pipette, the negative pressure bucket, box body and a plurality of pipe clamp, each installation direction wheel of the supporting leg bottom of support, the upper surface of support is provided with horizontal rail, move horizontally minitrim wheel, move horizontally the coarse adjustment wheel, vertical sliding is used force and is transferred wheel to be rotationally connected with box body respectively with vertical mobile minitrim wheel, box body and vertical track are slidingly connected, moving horizontally the coarse adjustment wheel is arranged on the horizontal rail and the two connection of rolling, vertical sliding is used force and is transferred wheel to be connected with the vertical track rolling, each pipe clamp is packed on the vertical track, a plurality of pipe clamps are clamped pipette, move horizontally minitrim wheel and move horizontally coarse adjustment wheel engaged transmission, vertical mobile minitrim wheel and vertical sliding are used force and are transferred the wheel engaged transmission, and pipette is communicated with the negative pressure bucket by negative tube.

The utlity model has following beneficial effect: owing to adopted accurate adjustment to inhale the sample location means, increase the accuracy of inhaling the sample position, adopt negative pressure suction quadrat method, make the absorption sample representativeness strong, suction tube adjusted by use machinery and negative pressure suction quadrat method is little to the dark liquid disturbance of settling vat.Inhale again sample behind each sample cleaning-drying, reduce the sample room cross pollution; Put simultaneously 1-50 sample at every turn, and draw at any time sample, improved work efficiency.The utility model is compared raising degree of accuracy 22% with adopting conventional powder quadrat method, and work efficiency improves more than 20%, since sampling location, whole accurately location, the representativeness enhancing of sample.

Description of drawings

Fig. 1 is one-piece construction synoptic diagram of the present utility model, and Fig. 2 is the A-A sectional view.

Embodiment

Embodiment one: present embodiment is described in conjunction with Fig. 1, the device of present embodiment comprises support 3, it is characterized in that described device also comprises steering wheel 1, horizontal rail 4, negative tube 5, vertical track 7, move horizontally minitrim wheel 8, move horizontally coarse adjustment wheel 9, vertical sliding is used force and is transferred wheel 10, vertical mobile minitrim wheel 11, pipette 12, negative pressure bucket 14, box body 17 and a plurality of pipe clamp 6, each installation direction wheel 1 of the supporting leg bottom of support 3, the upper surface of support 3 is provided with horizontal rail 4, move horizontally minitrim wheel 8, move horizontally coarse adjustment wheel 9, vertical sliding is used force and is transferred wheel 10 to be rotationally connected with box body 17 respectively with vertical mobile minitrim wheel 11, box body 17 is slidingly connected with vertical track 7, moving horizontally coarse adjustment wheel 9 is arranged on the horizontal rail 4 and the two connection of rolling, vertical sliding is used force and is transferred wheel 10 to be connected with vertical track 7 rollings, each pipe clamp 6 is packed on the vertical track 7, a plurality of pipe clamps 6 are clamped pipette 12, move horizontally minitrim wheel 8 and move horizontally coarse adjustment and take turns 9 engaged transmission, vertical mobile minitrim wheel 11 is used force with vertical sliding and is transferred wheel 10 engaged transmission, and pipette 12 is communicated with negative pressure bucket 14 by negative tube 5.Steering wheel 1 is provided with brake 2.

Embodiment two: in conjunction with Fig. 1 present embodiment is described, the device of present embodiment also comprises valve 15, and the bottom of negative pressure bucket 14 is provided with valve 15, and advantage is to control the turnover of negative pressure bucket 14 interior liquid.Other embodiment is identical with embodiment one.

Embodiment three: present embodiment is described in conjunction with Fig. 2, have chute 17-1 on the box body 17 of present embodiment, box body 17 is slidingly connected with vertical track 7 and realizes by chute 17-1, and advantage is that the two produces relative motion, is convenient to vertical track 7 and moves downward.Other embodiment is identical with embodiment one.

Embodiment four: in conjunction with Fig. 1 present embodiment is described, the device of present embodiment also comprises limiting plate 16, limiting plate 16 be horizontally disposed with and an end and the support 3 of limiting plate 16 hinged.Limiting plate 16 can play 7 motions of restriction vertical track, in the time of 7 motion of needs vertical track, limiting plate 16 is turned to vertical position.Other embodiment is identical with embodiment one.

Principle of work: step 1, the above-mentioned semi-automatic soil mechanical composition sample absorbing device of employing;

Step 2, regulate pipette 12 horizontal levels by moving horizontally coarse adjustment wheel 9, with the position that moves horizontally minitrim wheel 8 accurate adjustments joint pipette 12, make the head of pipette 12 just in time be in the settling vat center again;

Step 3, use force by vertical sliding and to transfer wheel 10 to regulate the upright position of pipette 12, again with the position that moves horizontally minitrim wheel 8 accurate key pipette 12, make the head of pipette 12 just in time be in settling vat suction sample depth location according to test parameters;

Step 4, open valve 15 at official hour, the negative pressure absorbing solution that pipette 12 utilizes negative pressure bucket 14 to produce accurately is drawn to scale mark, closes pipette 12 respective valves, and then closes the valve 15 of negative pressure bucket 14;

Step 5, the pipette 12 of sampling solution will be arranged, and utilize horizontal and vertical to move coarse adjustment and regulate pipette 12 positions, and open pipette 12 tapping valves, absorption liquid is put into the appointment beaker;

Step 6: use distilled water flushing pipette 3-5 time, take off again sample, repeating step two-five after air-dry 5 minutes.

Claims

1. semi-automatic soil mechanical composition sample absorbing device, described device comprises support (3), it is characterized in that described device also comprises a steering wheel (1), horizontal rail (4), negative tube (5), vertical track (7), move horizontally minitrim wheel (8), move horizontally coarse adjustment wheel (9), vertical sliding is used force and is transferred wheel (10), vertical mobile minitrim wheel (11), pipette (12), negative pressure bucket (14), box body (17) and a plurality of pipe clamp (6), each installs a steering wheel (1) the supporting leg bottom of support (3), the upper surface of support (3) is provided with horizontal rail (4), move horizontally minitrim wheel (8), move horizontally coarse adjustment wheel (9), vertical sliding is used force and is transferred wheel (10) to be rotationally connected with box body (17) respectively with vertical mobile minitrim wheel (11), box body (17) is slidingly connected with vertical track (7), move horizontally coarse adjustment wheel (9) and be arranged on upper and the two connection of rolling of horizontal rail (4), vertical sliding is used force and is transferred wheel (10) to be connected with vertical track (7) rolling, each pipe clamp (6) is packed on the vertical track (7), a plurality of pipe clamps (6) are clamped pipette (12), move horizontally minitrim wheel (8) and move horizontally coarse adjustment wheel (9) engaged transmission, vertical mobile minitrim wheel (11) is used force with vertical sliding and is transferred wheel (10) engaged transmission, and pipette (12) is communicated with negative pressure bucket (14) by negative tube (5).

2. described semi-automatic soil mechanical composition sample absorbing device according to claim 1 is characterized in that described device also comprises valve (15), and the bottom of negative pressure bucket (14) is provided with valve (15).

3. described semi-automatic soil mechanical composition sample absorbing device according to claim 1 and 2, it is characterized in that having on the box body (17) chute (17-1), box body (17) is slidingly connected with vertical track (7) and realizes by chute (17-1).

4. described semi-automatic soil mechanical composition sample absorbing device according to claim 3 is characterized in that described device also comprises limiting plate (16), limiting plate (16) be horizontally disposed with and an end and the support (3) of limiting plate (16) hinged.