CN116046445A - A multi-area sampling device for petroleum geology - Google Patents

Abstract

The invention relates to the field of soil sampling, in particular to a petroleum geology multi-region sampling device, which comprises a first circular plate and a second circular plate; the lower end of the second circular plate is uniformly provided with a plurality of groups of drilling sampling mechanisms which can collect and sample soil samples while drilling soil, and each group of drilling sampling mechanisms is vertically arranged; a plurality of first round rods used for driving the drilling sampling mechanisms to rotate are rotatably arranged on the second round plate; a vertical driving mechanism for driving the second circular plate and a plurality of first circular rods to synchronously lift is arranged between the first circular plate and the second circular plate; the first circular plate is provided with a rotary driving mechanism for driving the plurality of first circular rods to synchronously rotate; through setting up multiunit drilling sampling mechanism, make from this sampling device can carry out soil sampling to the soil geology of the multizone in the first scope simultaneously, effectual improvement sampling efficiency of sampling device.

Description

A multi-area sampling device for petroleum geology

technical field

The invention relates to the field of soil sampling, in particular to a petroleum geological multi-area sampling device.

Background technique

Petroleum refers to a mixture of gaseous, liquid and solid hydrocarbons, which has a natural occurrence. Petroleum is a viscous, dark brown liquid, known as the blood of industry, and its main components are various alkanes, cycloalkanes, and aromatic hydrocarbons. Before the oil field is developed, it is necessary to analyze the surrounding geological conditions, and collect underground soil samples for analysis by drilling down, so as to understand the local geological conditions.

In the prior art, when soil sampling is carried out for petroleum geology, a separate drill bit is often used to sample the soil, resulting in poor accuracy of one-time sampling, which may cause detection errors, so it needs to be repeated by the staff The soil geology within a certain range is sampled multiple times at different locations, which can effectively reduce the detection error. However, repeated sampling of the soil geology by the staff will cause the sampling process to be too cumbersome.

Contents of the invention

Aiming at the problems existing in the existing technology, a petroleum geology multi-regional sampling device is provided, by setting multiple groups of drilling sampling mechanisms, so that the sampling device can simultaneously perform soil sampling on multi-regional soil geology within the first range , effectively improving the sampling efficiency of the sampling device.

In order to solve the problems of the prior art, the technical solution adopted in the present invention is:

A petroleum geological multi-regional sampling device, comprising a first circular plate and a second circular plate, the first circular plate and the second circular plate are coaxially arranged and the first circular plate is located above the second circular plate;

The lower end of the second circular plate is uniformly provided with multiple groups of drilling sampling mechanisms capable of collecting and sampling soil samples while drilling the soil, and each group of drilling sampling mechanisms is vertically arranged;

A plurality of first round rods for respectively driving multiple groups of drilling and sampling mechanisms to rotate are arranged on the second circular plate;

A vertical drive mechanism for driving the second circular plate and a plurality of first circular rods to lift synchronously is arranged between the first circular plate and the second circular plate;

A rotary drive mechanism for driving a plurality of first round rods to rotate synchronously is arranged on the first circular plate;

An annular bearing plate coaxial with the second circular plate is also arranged below the second circular plate, and a frame for supporting the first circular plate is arranged on the annular bearing plate.

Preferably, each group of drilling sampling mechanism includes screw drill, sampling cylinder and lifting assembly;

The screw drill is set vertically, and the upper end of the screw drill is provided with a round hole coaxial with it, and the sampling cylinder is slid and set in the round hole along the vertical direction;

A circular mounting plate is coaxially installed on the upper end of the screw drill, and the circular mounting plate is coaxially arranged on the lower end of the corresponding first round rod;

The center of the screw drill is set as a polished rod part, and the outer wall of the polished rod part is provided with two vertically arranged first strip-shaped grooves, and each first strip-shaped groove is connected with a round hole;

The lower end of the sampling cylinder is provided with two vertically arranged second bar-shaped grooves;

The lifting assembly is arranged at the upper end of the screw rod and can drive the sampling cylinder to slide upward in the circular hole when the screw drill descends to drill holes in the soil.

Preferably, the lifting assembly includes a first annular plate and a second annular plate;

The inner side of the upper end of the first annular plate is provided with a first annular protrusion coaxial with it, the inner side of the lower end of the second annular plate is provided with a second annular protrusion coaxial with it, and the first annular plate is located on the second annular plate. Below, the second annular protrusion is rotated and arranged on the inner side of the first annular protrusion;

The outer wall of the upper end of the screw drill is provided with two vertically arranged third strip grooves, and the outer wall of the upper end of the sampling cylinder is provided with two horizontally extending bar bars, and the two bar bars pass through the two bars respectively. The third bar-shaped groove is to the outside of the screw drill, the ends of the two bar-shaped bars are fixedly connected with the second annular plate, and the two bar-shaped bars are all slid and arranged in the two third bar-shaped grooves along the vertical direction;

An annular groove is opened on the outer wall of the circular mounting plate, and a third annular plate is rotated in the annular groove;

The upper end of the second annular plate is provided with two guide rods, and the third annular plate is provided with two guide holes, and the two guide rods are respectively slidably arranged in the two guide holes;

A spring is sheathed on each guide rod, and each spring is located between the second annular plate and the third annular plate.

Preferably, the outer corners of the two first bar-shaped grooves are chamfered.

Preferably, the lower end of each first round rod is provided with an annular slot coaxially arranged therewith;

Two first bearing seats are installed at the annular slots on each first round bar, and the two first bearing seats are respectively installed at the upper and lower ends of the second circular plate;

A plurality of avoidance grooves are opened on the second circular plate, and a plurality of first round rods are respectively rotatably arranged in the plurality of avoidance grooves.

Preferably, the vertical drive mechanism includes multiple linear drives and multiple flanges;

Multiple linear drives are fixedly installed on the lower end of the first circular plate in a vertical state, multiple flanges are installed on the upper end of the second circular plate, and the output ends of multiple linear drives are respectively fixedly connected to multiple flanges superior.

Preferably, the rotation drive mechanism includes a plurality of sleeves and a plurality of second round rods;

The upper ends of the plurality of first round rods are provided with coaxial first cylindrical blocks, and the plurality of sleeves are sleeved on the plurality of first cylindrical blocks;

A plurality of second round rods are arranged coaxially with the plurality of first round rods respectively, and the lower ends of the plurality of second round rods are provided with second cylindrical blocks coaxially arranged therewith, and the plurality of second cylindrical blocks are respectively inserted into in multiple sleeves;

A fourth annular plate is installed at both ends of each sleeve, and the first round rod and the second round rod at each sleeve are respectively inserted into the two fourth annular plates;

A plurality of second round rods extend vertically upwards above the first circular plate, and the plurality of second round rods are rotatably connected to the first circular plate;

Two vertically extending strip blocks are arranged on the inner wall of each sleeve;

A first chute that slides and fits with the two bar blocks is opened on the first column block;

The second column block is provided with a second slide groove which slides and fits with the two bar blocks.

Preferably, the rotary drive mechanism further includes a first mounting frame, a second mounting frame and a rotary driver;

The first mounting frame is installed on the first circular plate, and the second mounting frame is arranged above the first mounting frame;

A second round rod located at the center of the first circular plate extends vertically upwards to the top of the first mounting frame, the rotary driver is fixedly arranged on the second mounting frame and the output shaft of the rotary driver is connected to the second mounting frame through a coupling. Round rod transmission connection;

A linkage mechanism capable of synchronously rotating the two second round rods is provided between the second round rod at the center of the first circular plate and each of the remaining second round rods.

Preferably, each set of linkage mechanisms includes a cross bar, a vertical bearing seat and two first bevel gears;

A second bevel gear is installed on the second round rod located at the center of the first circular plate, and a third bevel gear is installed on the remaining second round rods;

The horizontal bar is inserted into the bearing inner ring of the vertical bearing seat, and the vertical bearing seat is installed on the first mounting frame;

Two first bevel gears are installed at both ends of the cross bar respectively, one of the first bevel gears is engaged with the second bevel gear, and the other first bevel gear is engaged with the third bevel gear.

Preferably, a plurality of self-locking casters are installed on the lower end of the annular bearing plate.

The beneficial effects of the present application compared with the prior art are:

1. In this application, under the joint action of the rotary drive mechanism and the vertical drive mechanism, the borehole sampling mechanism can drill and break the soil, and the borehole sampling mechanism can collect soil samples while crushing the soil For sampling, because the drilling sampling mechanism has multiple groups, the sampling device can simultaneously perform soil sampling for soil geology in multiple regions, effectively improving the sampling efficiency of the sampling device.

2. In this application, one rotary driver can drive multiple first round rods to rotate synchronously without affecting the lifting of multiple first round rods.

Description of drawings

Fig. 1 is the perspective view of a kind of petroleum geology multi-area sampling device of the present application;

Fig. 2 is the three-dimensional sectional view of a kind of petroleum geology multi-regional sampling device of the present application;

Fig. 3 is a partial enlarged view of A in Fig. 2 of the present application;

Fig. 4 is a partial enlarged view of B in Fig. 2 of the present application;

Fig. 5 is a perspective view of a partial structure of a petroleum geological multi-regional sampling device of the present application;

Fig. 6 is an exploded view of a drilling sampling mechanism of a petroleum geological multi-regional sampling device of the present application;

Fig. 7 is an exploded view of the three-dimensional structure of the first round rod and the second round rod of a petroleum geological multi-region sampling device of the present application;

Fig. 8 is a vertical sectional view of a sleeve of a petroleum geological multi-regional sampling device of the present application;

Fig. 9 is a perspective view of the partial structure of the first round rod, the second round rod and the linkage mechanism of a petroleum geological multi-region sampling device of the present application;

Fig. 10 is a vertical sectional view of a screw drill of a petroleum geological multi-regional sampling device of the present application.

The labels in the figure are:

1 - the first circular plate;

2-the second circular plate; 21-avoidance groove;

3-drilling sampling mechanism; 31-screw drill; 311-round hole; 312-circular mounting plate; 3121-annular groove; 32-sampling cylinder; 321-the second strip groove; 322-bar bar; 33-lifting assembly; 34-the first annular plate; 341-the first annular bump; 35-the second annular plate; 351-the second Annular projection; 352-guide rod; 36-the third annular plate; 361-guide hole; 37-spring;

4-the first round rod; 41-annular slot; 42-the first bearing seat; 43-the first cylindrical block; 431-the first chute;

5-vertical drive mechanism; 51-linear drive; 52-flange;

6-rotary drive mechanism; 61-sleeve; 611-bar block; 62-second round rod; 621-second cylindrical block; 6211-second chute; 63-fourth annular plate; 64-first Mounting frame; 65-second mounting frame; 66-rotary driver; 67-linkage mechanism; 671-crossbar; 672-vertical bearing seat; 673-first bevel gear; 674-second bevel gear; Bevel gear;

7-ring bearing plate; 71-frame; 72-self-locking casters.

Detailed ways

In order to further understand the features, technical means, and specific objectives and functions achieved by the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

Referring to Figures 1 to 10, a petroleum geology multi-region sampling device includes a first circular plate 1 and a second circular plate 2, the first circular plate 1 and the second circular plate 2 are arranged coaxially and the first circular plate 1 is located above the second circular plate 2;

The lower end of the second circular plate 2 is uniformly provided with multiple groups of drilling sampling mechanisms 3 capable of collecting and sampling soil samples while soil drilling is performed, and each group of drilling sampling mechanisms 3 are vertically arranged;

A plurality of first round rods 4 for respectively driving multiple sets of drilling and sampling mechanisms 3 to rotate are arranged on the second circular plate 2;

A vertical drive mechanism 5 for driving the second circular plate 2 and a plurality of first circular rods 4 to lift synchronously is arranged between the first circular plate 1 and the second circular plate 2;

The first circular plate 1 is provided with a rotary drive mechanism 6 for driving a plurality of first circular rods 4 to rotate synchronously;

A ring-shaped bearing plate 7 coaxial with the second circular plate 2 is also arranged below the second circular plate 2 , and a frame 71 for supporting the first circular plate 1 is arranged on the annular bearing plate 7 .

When sampling the soil in petroleum geology, the staff first transports the sampling device to the area to be sampled, and then places the sampling device on the ground. At this time, the rotary drive mechanism 6 operates, so that multiple A round rod 4 rotates synchronously, so when a plurality of first round rods 4 rotate, multiple groups of drilling sampling mechanisms 3 can be rotated together with a plurality of first round rods 4, and then the vertical drive mechanism 5 drives the first round rod 4 Two circular plates 2 and a plurality of first round rods 4 descend synchronously, so that multiple groups of drilling sampling mechanisms 3 descend together, and multiple groups of sampling mechanisms move vertically downward while rotating to make multiple groups of drilling sampling mechanisms 3 They are respectively inserted into the soil at different positions and can be used for soil collection. Finally, the vertical drive mechanism 5 is reset, and then the rotary drive mechanism 6 also stops running. At this time, the staff can take out the soil sample after sampling; Under the combined action of the rotary drive mechanism 6 and the vertical drive mechanism 5, the borehole sampling mechanism 3 can collect and sample the soil samples while the soil is drilled and broken, and because the borehole sampling mechanism 3 has multiple sets of , so that the sampling device can simultaneously perform soil sampling on soil geology in multiple regions, effectively improving the sampling efficiency of the sampling device.

Referring to Fig. 1 to Fig. 3, Fig. 6 and Fig. 10, each group of drilling sampling mechanism 3 includes screw drill 31, sampling cylinder 32 and lifting assembly 33;

The screw drill 31 is vertically arranged, and the upper end of the screw drill 31 is provided with a round hole 311 coaxially arranged therewith, and the sampling cylinder 32 is slid and arranged in the round hole 311 along the vertical direction;

A circular mounting plate 312 is coaxially installed on the upper end of the screw drill 31, and the circular mounting plate 312 is coaxially arranged on the lower end of the corresponding first round rod 4;

The center of the screw drill 31 is set as a polished rod portion 313, and the outer wall of the polished rod portion 313 is provided with two vertically arranged first strip-shaped grooves 3131, and each first strip-shaped groove 3131 communicates with the round hole 311;

The lower end of the sampling cylinder 32 is provided with two vertically arranged second bar-shaped grooves 321;

The lifting assembly 33 is arranged at the upper end of the screw rod and can drive the sampling cylinder 32 to slide upward in the circular hole 311 when the screw drill 31 descends to drill holes in the soil.

In the initial state, the sampling cylinder 32 abuts against the bottom of the circular hole 311, the second strip-shaped groove 321 is all located below the first strip-shaped groove 3131, and the upper end of the second strip-shaped groove 321 is in contact with the first strip-shaped groove. The distance between the lower ends of 3131 is also relatively close. When the rotary drive mechanism 6 drives a plurality of first round rods 4 to rotate, a plurality of screw drills 31 can rotate together with the corresponding first round rods 4, and then by When the vertical driving mechanism 5 drives a plurality of first round rods 4 to descend, a plurality of screw drills 31 can drop together with a plurality of first round rods 4, and under the rotation of the screw drill 31, the screw drills 31 can easily Inserted into the soil, when the screw drill 31 descends to a certain depth, the soil at the drilled hole can overflow upwards along the screw groove of the screw drill 31. In this process, under the action of the lifting assembly 33, it can The screw drill 31 drives the sampling cylinder 32 to slide upwards in the circular hole 311 when the soil drilling is lowered. It communicates with the two first strip grooves 3131, so that the soil crushed by the screw rod slides from the first strip groove 3131 to the second strip groove 321, and finally falls into the sampling cylinder 32, and When the screw drill 31 rises and resets, the sampling cylinder 32 will gradually abut against the bottom of the circular hole 311 again, and a certain amount of soil can be collected in the sampling cylinder 32. It should be noted that the outer surface of the sampling cylinder 32 The diameter is consistent with the diameter of the circular hole 311, thereby preventing soil from falling into the circular hole 311.

Referring to Fig. 2, Fig. 3 and Fig. 6, the lifting assembly 33 includes a first annular plate 34 and a second annular plate 35;

The inner side of the upper end of the first annular plate 34 is provided with a first annular projection 341 coaxial with it, the inner side of the lower end of the second annular plate 35 is provided with a second annular projection 351 coaxial with it, and the first annular plate 34 Located below the second annular plate 35 , the second annular protrusion 351 is rotatably disposed on the inner side of the first annular protrusion 341 ;

The outer wall of the upper end of the screw drill 31 is provided with two vertically arranged third strip grooves 314, and the outer wall of the upper end of the sampling cylinder 32 is provided with two horizontally extending bar bars 322, and the two bar bars 322 Respectively through the two third bar-shaped grooves 314 to the outside of the screw drill 31, the ends of the two bar-shaped rods 322 are fixedly connected with the second annular plate 35, and the two bar-shaped bars 322 are slidably arranged in the vertical direction. Inside the two third bar-shaped grooves 314;

An annular groove 3121 is opened on the outer wall of the circular mounting plate 312, and a third annular plate 36 is arranged to rotate in the annular groove 3121;

The upper end of the second annular plate 35 is provided with two guide rods 352, and the third annular plate 36 is provided with two guide holes 361, and the two guide rods 352 are respectively slidably arranged in the two guide holes 361;

Each guide rod 352 is sleeved with a spring 37 , and each spring 37 is located between the second annular plate 35 and the third annular plate 36 .

After the screw drill 31 is drilled into the soil, the first annular plate 34 will descend together with the screw drill 31. Finally, the first annular plate 34 will be against the ground. At this time, the screw drill 31 continues to descend, and the third annular plate 36 continues to descend with the screw drill 31, and the second annular plate 35 will abut against the upper end of the first annular projection 341, so in the process, the sampling cylinder 32 can be positioned in the circular hole with respect to the screw drill 31 as a reference. 311 slides upwards, so that the two first bar-shaped grooves 3131 communicate with the two second bar-shaped grooves 321 respectively, the third annular plate 36 can slide down along the two guide rods 352, the spring 37 is compressed, And because the two bar bars 322 are all slidably arranged in the two third bar slots 314 along the vertical direction, so the two bar bars 322 will slide to the upper ends of the two third bar slots 314 respectively, Because the second annular projection 351 is rotatably arranged inside the first annular projection 341, and the third annular plate 36 is rotatably arranged in the annular groove 3121, so during the rotation of the screw drill 31, the second annular plate 35 can follow the screw. The rotation of the drill 31 rotates together, and under the action of the two guide rods 352, the third annular plate 36 will also rotate together with the second annular plate 35. After the screw drill 31 descends to a certain depth, the two first annular plates Shaped groove 3131 communicates with two second bar-shaped grooves 321 respectively, at this moment, stop descending to screw drill 31, at this moment, screw drill 31 only rotates, and under the rotation effect of screw drill 31, is more conducive to after being crushed The soil slides down into the sampling cylinder 32. After the sampling cylinder 32 is finished sampling, the vertical drive mechanism 5 drives the screw drill 31 to rise. During the rising process of the screw drill 31, the bottom of the sampling cylinder 32 will also gradually lean against the circle. bottom of the hole 311, so that the two second bar-shaped grooves 321 all slide to the bottom of the two first bar-shaped grooves 3131, and under the elastic force of the spring 37, the sampling cylinder 32 can be tightly pressed against the circle. bottom of the hole 311 to prevent the soil in the sampling cylinder 32 from overflowing from the first bar-shaped groove 3131 and the second bar-shaped groove 321 during the rising process of the sampling cylinder 32. Finally, after the screw drill 31 has completely left the ground, the staff Press the first annular plate 34 to move towards the direction close to the third annular plate 36, so that the spring 37 is compressed, and the two second strip-shaped grooves 321 can communicate with the two first strip-shaped grooves 3131 respectively again, at this time , the staff can take out the soil in the sampling cylinder 32, and the soil sampling is completed so far.

Referring to FIG. 6 and FIG. 10 , the outer corners of the two first bar-shaped grooves 3131 are chamfered.

By chamfering the corners outside the first strip-shaped groove 3131 , the crushed soil can slide down from the first strip-shaped groove 3131 into the sampling cylinder 32 more easily.

Referring to Fig. 2 and Fig. 7, the lower end of each first round rod 4 is provided with an annular locking groove 41 arranged coaxially therewith;

Two first bearing seats 42 are installed at the annular slot 41 on each first round rod 4, and the two first bearing seats 42 are respectively installed at the upper and lower ends of the second circular plate 2;

A plurality of escape grooves 21 are opened on the second circular plate 2 , and a plurality of first round rods 4 are respectively rotatably arranged in the plurality of avoidance grooves 21 .

The annular locking groove 41 of each first round rod 4 is inserted into the bearing inner rings of the two first bearing seats 42 corresponding to it, and the bearing inner rings of the two first bearing seats 42 respectively abut against each other. Lean against the two ends of the annular groove 41, so a plurality of first round rods 4 can be rotatably arranged on the second circular plate 2, and because the first bearing seats 42 are all installed on the second circular plate 2, by This can drive the second round plate 2 to go up and down together when the first round rod 4 goes up and down.

1 and 2, the vertical drive mechanism 5 includes a plurality of linear drives 51 and a plurality of flanges 52;

A plurality of linear drivers 51 are fixedly installed on the lower end of the first circular plate 1 in a vertical state, and a plurality of flanges 52 are installed on the upper end of the second circular plate 2, and the output ends of the plurality of linear drivers 51 are respectively fixedly connected to the on a plurality of flanges 52 .

Since the first circular plate 1 is fixedly installed on the top of the annular carrier plate 7 through the frame 71, there is a fixed distance between the first circular plate 1 and the annular carrier plate 7. When multiple linear drives 51 operate synchronously, they can drive The second circular plate 2 descends, because each first round rod 4 is fixed by the position between the two first bearing seats 42 and the second circular plate 2, thus, when the second circular plate 2 descends, that is A plurality of first round rods 4 can be made to descend together with the second round plate 2 .

Referring to Fig. 1 to Fig. 4, Fig. 7 and Fig. 8, the rotary drive mechanism 6 includes a plurality of sleeves 61 and a plurality of second round rods 62;

The upper ends of the plurality of first round rods 4 are provided with first cylindrical blocks 43 coaxial therewith, and the plurality of sleeves 61 are sleeved on the plurality of first cylindrical blocks 43 respectively;

A plurality of second round rods 62 are arranged coaxially with the plurality of first round rods 4 respectively, and the lower ends of the plurality of second round rods 62 are provided with second cylindrical blocks 621 coaxially arranged therewith. Blocks 621 are respectively inserted into multiple sleeves 61;

A fourth annular plate 63 is installed at both ends of each sleeve 61, and the first round rod 4 and the second round rod 62 at each sleeve 61 are respectively inserted into the two fourth annular plates 63;

A plurality of second round rods 62 extend vertically upward to the top of the first circular plate 1 , and the plurality of second round rods 62 are rotatably connected to the first circular plate 1 ;

The inner wall of each sleeve 61 is provided with two vertically extending strip blocks 611;

The first cylindrical block 43 is provided with a first chute 431 slidingly fitted with the two strip blocks 611;

The second cylindrical block 621 is provided with a second chute 6211 slidingly fitted with the two strip blocks 611;

The rotary drive mechanism 6 also includes a first mounting frame 64, a second mounting frame 65 and a rotary driver 66;

The first mounting frame 64 is installed on the first circular plate 1, and the second mounting frame 65 is arranged above the first mounting frame 64;

A second round rod 62 located at the center of the first circular plate 1 extends vertically upwards to the top of the first mounting frame 64, the rotary driver 66 is fixedly arranged on the second mounting frame 65 and the output shaft of the rotary driver 66 passes through the shaft coupling The device is in transmission connection with the second round rod 62;

A linkage mechanism 67 capable of synchronously rotating the two second round rods 62 is provided between the second round rod 62 at the center of the first circular plate 1 and each of the remaining second round rods 62 ;

Each group of linkage mechanisms 67 includes a cross bar 671, a vertical bearing seat 672 and two first bevel gears 673;

A second bevel gear 674 is installed on the second round rod 62 at the center of the first circular plate 1, and a third bevel gear 675 is installed on the remaining second round rods 62;

The cross bar 671 is inserted into the bearing inner ring of the vertical bearing seat 672, and the vertical bearing seat 672 is installed on the first mounting frame 64;

Two first bevel gears 673 are installed at both ends of the cross bar 671 respectively, one of the first bevel gears 673 is meshed with the second bevel gear 674, and the other first bevel gear 673 is meshed with the third bevel gear 675 .

When the rotary driver 66 is in operation, it can drive the second round rod 62 at the center of the first circular plate 1 to rotate, and when the second round rod 62 rotates, the second bevel gear 674 can rotate with it. A plurality of first bevel gears 673 meshed with the second bevel gear 674 will also rotate accordingly, and a plurality of cross bars 671 will also rotate in a plurality of vertical bearing seats 672 respectively, so that the first bevel gears on the outside of each cross bar 671 The bevel gear 673 will also rotate around the cross bar 671. So far, a plurality of third bevel gears 675 will also rotate, so that the plurality of second round rods 62 can rotate synchronously under the rotation of the rotary driver 66. Each second cylindrical block 621 is provided with a second sliding groove 6211, and each sliding sleeve is provided with a bar block 611, so that the plurality of sleeves 61 can rotate together with the corresponding second round rod 62 , because the first chute 431 is provided on the first cylindrical block 43, so the plurality of first round rods 4 will also rotate together with the corresponding second round rods 62, and when the plurality of first round rods 4 descend , a plurality of first round rods 4 can slide vertically downwards in the corresponding sliding sleeves.

As shown in FIG. 1 , a plurality of self-locking casters 72 are installed on the lower end of the annular bearing plate 7 .

By being provided with a plurality of self-locking casters 72, the staff can easily move the sampling device to facilitate the movement of the sampling device to different positions. Since the self-locking casters 72 have a self-locking function, by placing the self-locking casters 72 Locking can prevent the sampling device from shifting during sampling.

The above examples only represent one or several implementations of the present invention, and the descriptions thereof are more specific and detailed, but should not be construed as limiting the patent scope of the present invention. It should be pointed out that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent for the present invention should be based on the appended claims.

Claims (10)

1. A petroleum geological multi-regional sampling device, comprising a first circular plate (1) and a second circular plate (2), the first circular plate (1) and the second circular plate (2) are coaxially arranged and the first circular plate The plate (1) is located above the second circular plate (2); It is characterized in that the lower end of the second circular plate (2) is uniformly provided with multiple groups of drilling sampling mechanisms (3) capable of collecting and sampling soil samples while drilling the soil, and each group of drilling sampling mechanisms (3) ) are set vertically; A plurality of first round rods (4) for respectively driving multiple groups of drilling sampling mechanisms (3) to rotate are arranged on the second circular plate (2); A vertical drive mechanism (5) for synchronously lifting the second circular plate (2) and a plurality of first circular rods (4) is arranged between the first circular plate (1) and the second circular plate (2); The first circular plate (1) is provided with a rotary drive mechanism (6) for driving a plurality of first circular rods (4) to rotate synchronously; An annular bearing plate (7) coaxial with the second circular plate (2) is also provided below, and a frame (71) for supporting the first circular plate (1) is arranged on the annular bearing plate (7). 2. A kind of petroleum geology multi-regional sampling device according to claim 1, characterized in that, each group of drilling sampling mechanism (3) includes a screw drill (31), a sampling cylinder (32) and a lifting assembly (33 ); The screw drill (31) is vertically arranged, and the upper end of the screw drill (31) is provided with a circular hole (311) coaxially arranged with it, and the sampling cylinder (32) is slid and arranged in the circular hole (311) along the vertical direction; A circular mounting plate (312) is coaxially installed on the upper end of the screw drill (31), and the circular mounting plate (312) is coaxially arranged on the lower end of the corresponding first round rod (4); The center of the screw drill (31) is set as a polished rod portion (313), and the outer wall of the polished rod portion (313) is provided with two vertically arranged first strip grooves (3131), each first strip groove (3131 ) are all connected with the round hole (311); The lower end of the sampling cylinder (32) is provided with two vertically arranged second bar-shaped grooves (321); The lifting assembly (33) is arranged at the upper end of the screw rod and can drive the sampling cylinder (32) to slide upward in the circular hole (311) when the screw drill (31) descends to drill holes in the soil. 3. A kind of petroleum geology multi-area sampling device according to claim 2, characterized in that the lifting assembly (33) comprises a first annular plate (34) and a second annular plate (35); The inner side of the first annular plate (34) upper end is provided with the first annular protrusion (341) coaxial with it, and the inner side of the second annular plate (35) lower end is provided with the second annular protrusion (341) coaxially arranged with it. 351), the first annular plate (34) is located below the second annular plate (35), and the second annular protrusion (351) is rotated and arranged on the inner side of the first annular protrusion (341); The outer wall of the upper end of the screw drill (31) is provided with two vertically arranged third strip grooves (314), and the outer wall of the upper end of the sampling cylinder (32) is provided with two horizontally extending bar bars (322). ), two bar bars (322) pass through two third bar grooves (314) to the outside of the screw drill (31) respectively, and the ends of the two bar bars (322) are all connected to the second annular plate (35 ) are fixedly connected, and the two strip bars (322) are all slid and arranged in the two third strip grooves (314) along the vertical direction; An annular groove (3121) is opened on the outer wall of the circular mounting plate (312), and a third annular plate (36) is provided for rotation in the annular groove (3121); The upper end of the second annular plate (35) is provided with two guide rods (352), offers two guide holes (361) on the third annular plate (36), and the two guide rods (352) are respectively slidably arranged on two Inside the guide hole (361); A spring (37) is sheathed on each guide rod (352), and each spring (37) is located between the second annular plate (35) and the third annular plate (36). 4. A petroleum geology multi-regional sampling device according to claim 3, characterized in that, the outer edges and corners of the two first strip grooves (3131) are all chamfered. 5. A kind of petroleum geology multi-area sampling device according to claim 4, characterized in that, the lower end of each first round rod (4) is provided with an annular clamping groove (41) coaxially arranged therewith; Two first bearing seats (42) are installed at the annular draw-in groove (41) place on each first round bar (4), and described two first bearing seats (42) are respectively installed on the second circular plate ( 2) the upper and lower ends; A plurality of avoidance grooves (21) are opened on the second circular plate (2), and a plurality of first round rods (4) are respectively rotatably arranged in the plurality of avoidance grooves (21). 6. A kind of petroleum geological multi-regional sampling device according to claim 5, characterized in that, the vertical drive mechanism (5) comprises a plurality of linear drivers (51) and a plurality of flanges (52); A plurality of linear drivers (51) are fixedly installed on the lower end of the first circular plate (1) in a vertical state, and a plurality of flanges (52) are installed on the upper end of the second circular plate (2). The output ends of (51) are fixedly connected to a plurality of flanges (52) respectively. 7. A kind of petroleum geology multi-area sampling device according to claim 6, characterized in that, the rotary drive mechanism (6) comprises a plurality of sleeves (61) and a plurality of second round rods (62); The upper ends of the plurality of first round rods (4) are provided with coaxial first cylindrical blocks (43), and the plurality of sleeves (61) are sleeved on the plurality of first cylindrical blocks (43); A plurality of second round rods (62) are arranged coaxially with the plurality of first round rods (4) respectively, and the lower ends of the plurality of second round rods (62) are all provided with second cylindrical blocks (621) coaxially arranged therewith. ), a plurality of second cylindrical blocks (621) are respectively inserted in a plurality of sleeves (61); A fourth annular plate (63) is installed at both ends of each sleeve (61), and the first round rod (4) and the second round rod (62) at each sleeve (61) are respectively inserted into In the two fourth annular plates (63); A plurality of second round rods (62) all extend vertically upward to the top of the first circular plate (1), and a plurality of second round rods (62) are all rotatably connected to the first circular plate (1); The inner wall of each sleeve (61) is provided with two vertically extending strip blocks (611); The first columnar block (43) is provided with a first chute (431) slidingly fitted with the two strip blocks (611); The second cylindrical block (621) is provided with a second sliding groove (6211) which is slidingly matched with the two bar blocks (611). 8. A kind of petroleum geological multi-area sampling device according to claim 7, characterized in that, the rotary drive mechanism (6) also includes a first mounting frame (64), a second mounting frame (65) and a rotary drive (66 ); The first mounting frame (64) is installed on the first circular plate (1), and the second mounting frame (65) is arranged on the top of the first mounting frame (64); A second round rod (62) located at the center of the first circular plate (1) extends vertically upwards to the top of the first mounting frame (64), and the rotary driver (66) is fixedly arranged on the second mounting frame (65) And the output shaft of the rotary driver (66) is connected with the transmission of the second round rod (62) through a shaft coupling; Between the second round rod (62) at the center of the first circular plate (1) and each of the remaining second round rods (62), there is a device capable of synchronously rotating the two second round rods (62). The linkage mechanism (67). 9. A petroleum geology multi-regional sampling device according to claim 8, characterized in that each group of linkage mechanisms (67) includes a cross bar (671), a vertical bearing seat (672) and two first bevel gear (673); A second bevel gear (674) is installed on the second round rod (62) at the center of the first circular plate (1), and a third bevel gear (675) is installed on the remaining second round rods (62). ; The cross bar (671) is inserted into the bearing inner ring of the vertical bearing seat (672), and the vertical bearing seat (672) is installed on the first mounting frame (64); Two first bevel gears (673) are respectively installed at the two ends of the cross bar (671), wherein one of the first bevel gears (673) is engaged with the second bevel gear (674), and the other first bevel gear ( 673) is engaged with the third bevel gear (675). 10. A petroleum geological multi-area sampling device according to claim 1, characterized in that a plurality of self-locking casters (72) are installed on the lower end of the annular bearing plate (7).

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