CN214040726U

CN214040726U - Sampling device for site investigation

Info

Publication number: CN214040726U
Application number: CN202023138340.0U
Authority: CN
Inventors: 田占睿
Original assignee: Mcc First Bureau Environmental Technology Co ltd
Current assignee: Mcc First Bureau Environmental Technology Co ltd
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2021-08-24
Anticipated expiration: 2030-12-23

Abstract

The utility model relates to a sampling equipment is used in place investigation, it includes the support frame, rotates on the support frame to be connected with along the gliding sample post of vertical direction, its characterized in that: lower terminal surface detachable connection of sample post has sampling mechanism, is equipped with on the support frame along the gliding lift post of vertical direction, the sample post pass the lift post and with lift post sliding connection, along vertical direction sliding connection with the supporting leg on the outer wall of lift post, when underground was arranged in to sampling mechanism's lower extreme, supporting leg and ground butt. The supporting leg supports subaerial, makes the lift post and the removal in vertical direction of arranging in better of appearance of taking a sample post, and this application has the effect that makes the difficult emergence skew of sampling column when the sample of sampling equipment.

Description

Sampling device for site investigation

Technical Field

The application relates to the field of soil sampling, especially relate to a sampling equipment is used in place investigation.

Background

Soil sampler refers to a tool for taking a soil sample.

The current chinese patent with publication number CN109443835A discloses a soil sampling equipment for site environment investigation, including the rig, the gyro wheel is all installed to the lower extreme four corners position of rig, and the drilling rod is installed to the front end of rig, the lower extreme fixedly connected with soil sampler of drilling rod, and soil sampler is connected with the drill bit with the screw thread, and the external screw thread has been seted up to the outer wall of drill bit, has seted up the internal thread on soil sampler's the inner wall, and the external screw thread can close with the internal thread each other soon.

To the correlation technique among the above-mentioned, the inventor finds, when sampling equipment carries out the sample operation to soil, soil sampler need go deep into the below ground, but sampling equipment can't guarantee that the drill bit is in vertical state all the time at the in-process that punches, has the drill bit to get the use defect that the process of earthing takes place the skew easily when sampling equipment uses.

SUMMERY OF THE UTILITY MODEL

In order to make the difficult emergence skew of drill bit along vertical direction removal better when the sample device is taking a sample, this application provides a sampling device for field investigation.

The application provides a sampling equipment for site investigation adopts following technical scheme:

the utility model provides a sampling equipment is used in place investigation, includes the support frame, rotates on the support frame to be connected with along the gliding sampling post of vertical direction, its characterized in that: lower terminal surface detachable connection of sample post has sampling mechanism, is equipped with on the support frame along the gliding lift post of vertical direction, the sample post pass the lift post and with lift post sliding connection, along vertical direction sliding connection with the supporting leg on the outer wall of lift post, when underground was arranged in to sampling mechanism's lower extreme, supporting leg and ground butt.

Through adopting above-mentioned technical scheme, the support frame supports the sample post in vertical direction, the rotatory decline of sample post stretches into in the soil, the sample post drives the sampling mechanism and removes, sampling mechanism takes a sample to soil, when the sample post removes, the lift post is followed the sample post and is removed together, the lift post drives the supporting leg and arranges the vertical direction in and removes, the supporting leg supports subaerial, make the lift post and the sample post arrange the vertical direction in better and remove, make the difficult emergence skew of sample post when the sample of sampling equipment.

Optionally, the upper end of supporting leg has set firmly the stopper, and the spacing groove has been seted up along vertical direction to the outer wall of lift post, stopper and spacing groove sliding connection.

Through adopting above-mentioned technical scheme, when the lift post moved down, the stopper was arranged in the bottommost position department of spacing groove and was driven the supporting leg and was removed with the lift post together, made stopper position relatively fixed behind supporting leg lower extreme and the ground butt, the stopper removed in the spacing groove this moment, made the lift post arrange vertical direction in better and slided.

Optionally, the width of the limiting block far away from the end part of the supporting leg is larger than the width of the limiting block close to the end part of the supporting leg, and the cross section shape of the limiting groove is matched with that of the limiting block.

Through adopting above-mentioned technical scheme, stopper and spacing groove looks adaptation, the spacing groove with the stopper joint at the spacing inslot, make the stopper remove in the spacing inslot better and be difficult to drop.

Optionally, an extrusion spring is fixedly arranged in the limiting groove along the vertical direction, and the lower end of the extrusion spring is fixedly connected with the upper end face of the limiting block.

By adopting the technical scheme, the extrusion spring gives the supporting leg a downward pressure when the lifting column moves downwards, so that the supporting leg is better pressed against the ground.

Optionally, the outer wall of sampling post is equipped with the sliding block along the horizontal direction, and the inner wall of lift post has seted up circular shape sliding tray along radially, and the sliding block is arranged in the sliding tray and is removed.

Through adopting above-mentioned technical scheme, when the rotatory lift of sampling post, the sliding block is arranged in the sliding tray internal rotation, makes the sampling post drive the lift post and reciprocates.

Optionally, the sliding block is the cylinder shape, and the sliding block rotates with the outer wall of sample post to be connected, and the sliding block rolls with the sliding tray and is connected.

Through adopting above-mentioned technical scheme, during sliding block and sliding tray relative movement, the sliding block rolls along the sliding tray inner wall, reduces the friction between sliding tray and the sliding block, makes the moving process of sliding block more smooth and easy.

Optionally, the up end of sampling mechanism sets firmly the locating piece, and locating piece and sample post sliding connection have seted up the constant head tank along the horizontal direction on the locating piece, and the constant head tank bottom has set firmly positioning spring, has set firmly the latch segment on the positioning spring, latch segment and sample post sliding connection.

Through adopting above-mentioned technical scheme, the dismouting function of locating piece and sample post sliding connection realization sample post and sampling mechanism is convenient for dismantle the change to sampling mechanism, and the constant head tank is used for holding positioning spring and latch segment, and when sampling device was connected with the sample post, positioning spring and latch segment realized the joint structure between sample post and the sampling device, made the sample post more stable with being connected of sampling mechanism.

Optionally, one end of the locking block, which is far away from the positioning spring, is in a hemispherical shape.

Through adopting above-mentioned technical scheme, the latch segment of hemisphere shape makes the sliding connection process between latch segment and the sample post more smooth and easy, makes the latch segment better with sample post joint or separation.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the support frame supports the sampling column in the vertical direction, the sampling column rotates to descend and extend into soil, the sampling column drives the sampling mechanism to move, the sampling mechanism samples soil, when the sampling column moves, the lifting column moves along with the sampling column, the lifting column drives the support leg to move in the vertical direction, and the support leg is supported on the ground, so that the lifting column and the sampling column can be better moved in the vertical direction, and the sampling column of the sampling equipment is not easy to deviate during sampling;

2. when the lifting column moves downwards, the limiting block is arranged at the bottommost position of the limiting groove to drive the supporting leg and the lifting column to move together, the position of the limiting block is relatively fixed after the lower end of the supporting leg is abutted against the ground, and the limiting block moves in the limiting groove at the moment to enable the lifting column to be better arranged in the vertical direction to slide;

3. the locating piece realizes the dismouting function of sample post and sampling mechanism with sample post sliding connection, is convenient for dismantle the change to sampling mechanism, and the constant head tank is used for holding positioning spring and latch segment, and when sampling device was connected with the sample post, positioning spring realized the joint structure between sample post and the sampling device with the latch segment, made the sample post more stable with being connected of sampling mechanism.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present application.

Fig. 2 is a sectional view of a stopper groove and a pressing spring in the embodiment of the present application.

Fig. 3 is a partially enlarged view of a in fig. 2.

Fig. 4 is a cross-sectional view of a positioning spring and locking block in an embodiment of the present application.

Description of reference numerals: 1. a support frame; 2. a sampling column; 3. a sampling mechanism; 4. a lifting column; 5. supporting legs; 6. a limiting block; 7. a limiting groove; 8. a compression spring; 9. a slider; 10. a sliding groove; 11. positioning blocks; 12. positioning a groove; 13. a positioning spring; 14. a locking block; 15. a shifting vehicle; 16. a roller; 18. a shifting groove; 19. a rotating electric machine; 20. a lifting screw; 21. friction teeth; 22. a helical drill bit.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings.

The embodiment of the application discloses sampling equipment for site investigation, refer to fig. 1, including support frame 1, rotate on the support frame 1 and be connected with along the gliding sample post 2 of vertical direction, sample post 2 is the cylinder shape, and the lower extreme of sample post 2 is provided with sampling mechanism 3. Support frame 1 supports sampling column 2 in the vertical direction, and the sampling device during operation, 2 rotatory descends of sampling column stretch into soil, and the sampling mechanism 3 that drives when 2 take a sample move down moves, and the sampling mechanism 3 of being convenient for takes a sample to soil, accomplishes sampling device's basic sample function.

Referring to fig. 1, a lower end surface of the support frame 1 is provided with a shift carriage 15 along a horizontal direction, and the lower end surface of the shift carriage 15 is provided with four identical rollers 16. The idler wheels 16 are arranged on the ground to roll by pushing and pulling the shifting trolley 15, so that the shifting trolley 15 can better drive the support frame 1 to move, and the shifting function of the sampling equipment is more complete.

Referring to fig. 1, the lower end surface of the support frame 1 is slidably connected to the upper end surface of the shift carriage 15. When the sampling position of sampling equipment needs to be adjusted in a small range, the support frame 1 is pushed to enable the support frame 1 to be arranged on the shifting vehicle 15 to slide, and the position adjusting function of the sampling equipment is more perfect.

Referring to fig. 1, a shift cylinder (not shown) is fixedly arranged in the shift carriage 15 along the horizontal direction, and an output shaft of the shift cylinder is fixedly connected with the support frame 1. When the output shaft of the shifting cylinder stretches, the support frame 1 is arranged on the shifting trolley 15 to slide, and the automatic shifting function of the support frame 1 is realized.

Referring to fig. 1, a shifting groove 18 is formed in the upper end face of the shifting cart 15 along the direction of the output shaft of the shifting cylinder, a shifting block is fixedly arranged at the lower end of the supporting frame 1, and the shifting block is slidably connected with the shifting groove 18. When the support frame 1 moves, the shifting block is arranged in the shifting groove 18 to slide, and the shifting block and the shifting groove 18 improve the shifting function of the support frame 1.

Referring to fig. 1, a rotating motor 19 is fixedly installed at an upper end of a supporting frame 1 in a vertical direction. When the sampling column 2 goes up and down, the rotating motor 19 provides power for the sampling column 2, and the automatic shifting function of the sampling column 2 is realized.

Referring to fig. 1, a prism-shaped connecting column is coaxially and fixedly arranged on an output shaft of the rotating motor 19 in the vertical direction, a lifting screw 20 is coaxially sleeved outside the connecting column, the lifting screw 20 is slidably connected with the connecting column, and the lower end of the lifting screw 20 is in threaded connection with the support frame 1. The rotation of the rotary motor 19 drives the connecting column to rotate, and the connecting column drives the lifting screw 20 to rotate together with the connecting column. Because the lifting screw 20 is in threaded connection with the support frame 1, and the support frame 1 is relatively static with the ground, the lifting screw 20 moves up and down in the rotating process, and the rotating lifting function of the lifting screw 20 is further realized.

Referring to fig. 1, the lower end of the lifting screw 20 is coaxially and fixedly connected to the upper end surface of the sampling column 2. The lifting screw 20 rotates to lift and simultaneously drives the sampling column 2 to lift and rotate with the sampling column, so that the rotating lifting function of the sampling column 2 is realized, and the ground drilling effect of the sampling column 2 is better.

Referring to fig. 1, a lifting column 4 in a cuboid shape sliding along the vertical direction is arranged on a support frame 1, the lifting column 4 coincides with the axis of a sampling column 2, and the sampling column 2 penetrates through the lifting column 4 and is in sliding connection with the lifting column 4. When the sampling column 2 moves, the lifting column 4 moves along with the sampling column 2, and the lifting column 4 standardizes the moving track of the sampling column 2 to a certain extent.

Referring to fig. 1, the upper end surface of the lifting column 4 is fixedly provided with four identical synchronizing rods in cylindrical shape along the vertical direction, and the synchronizing rods are connected with the support frame 1 in a sliding manner. When the lifting column 4 goes up and down, the synchronizing rod slides along the vertical direction, and the synchronizing rod enables the lifting column 4 to better slide along the vertical direction, so that the sampling column 2 can better slide along the vertical direction.

Referring to fig. 2 and 3, two identical sliding blocks 9 are arranged on two sides of the outer wall of the sampling column 2 along the horizontal direction, a circular sliding groove 10 is radially arranged on the inner wall of the lifting column 4, and the sliding blocks 9 are arranged in the sliding groove 10 to move. When the sampling column 2 rotates to lift, the sliding block 9 is arranged in the sliding groove 10 to rotate, so that the sampling column 2 drives the lifting column 4 to move up and down.

Referring to fig. 2 and 3, the sliding block 9 is cylindrical, the sliding block 9 is rotatably connected with the outer wall of the sampling column 2, and the sliding block 9 is in rolling connection with the sliding groove 10. When the sliding block 9 and the sliding groove 10 move relatively, the sliding block 9 rolls along the inner wall of the sliding groove 10, the original sliding friction force is changed into rolling friction force, and then the friction between the sliding groove 10 and the sliding block 9 is reduced, so that the moving process of the sliding block 9 is smoother.

Referring to fig. 1 and 2, two identical support legs 5 are slidably connected to the outer wall of the lifting column 4 in the vertical direction, and when the lower end of the sampling mechanism 3 is placed under the ground, the support legs 5 abut against the ground. When the sampling equipment during operation, lift post 4 drives supporting leg 5 and arranges the vertical direction in and removes, and supporting leg 5 supports and carries on spacingly subaerial movement track to lift post 4, makes lift post 4 and sample post 2 arrange the vertical direction in better and removes, makes sampling equipment sample post 2 difficult emergence skew when the sample.

Referring to fig. 1 and 2, the lower end surface of the support leg 5 is fixedly provided with a plurality of identical friction teeth 21. The friction teeth 21 increase the ground gripping capacity of the supporting leg 5, so that the supporting leg 5 is better fixed on the ground to limit the moving track of the lifting column 4.

Referring to fig. 1 and 2, the upper end of supporting leg 5 has set firmly stopper 6 along the horizontal direction, and spacing groove 7, stopper 6 and spacing groove 7 sliding connection have been seted up along vertical direction to the outer wall of lift post 4. Sampling equipment during operation, lifting column 4 moves down, stopper 6 arranges limiting groove 7's bottommost position department in, supporting leg 5 makes stopper 6 and limiting groove 7 looks butt under the effect of self gravity, stopper 6 and then drives supporting leg 5 and together remove with lifting column 4, make stopper 6 position relatively fixed behind 5 lower extremes of supporting leg and the ground butt, stopper 6 removes in limiting groove 7 this moment, play the guide effect to limiting groove 7, and then make lifting column 4 place vertical direction better and slide.

Referring to fig. 1 and 2, the width of the limiting block 6 far away from the end part of the supporting leg 5 is larger than the width of the limiting block 6 close to the end part of the supporting leg 5, and the cross section of the limiting groove 7 is matched with the cross section of the limiting block 6. Stopper 6 and spacing groove 7 looks adaptation, when stopper 6 and spacing groove 7 relative movement, spacing groove 7 with 6 joints of stopper in spacing groove 7, make stopper 6 remove in spacing groove 7 better and be difficult to drop.

Referring to fig. 1 and 2, an extrusion spring 8 is fixedly arranged in the limiting groove 7 along the vertical direction, and the lower end of the extrusion spring 8 is fixedly connected with the upper end face of the limiting block 6. When the lower end face of the supporting leg 5 is abutted to the ground and the lifting column 4 continues to move downwards, the extrusion spring 8 is compressed to generate elastic deformation, the downward pressure is applied to the supporting leg 5 by the extrusion spring 8 in the process of moving the lifting column 4 downwards, the pressure between the supporting leg 5 and the ground is increased, and the supporting leg 5 is better abutted to the ground.

Referring to fig. 1 and 2, a sampling mechanism 3 is detachably attached to a lower end surface of the sampling column 2 in a vertical direction. After sampling equipment accomplished the sample work, change sampling mechanism 3 through dismantling and make the sample by taking out better, conveniently clear up sampling mechanism 3 simultaneously, reduce the sample error.

Referring to fig. 2 and 4, the up end of sampling mechanism 3 has set firmly square locating piece 11 along vertical direction, and locating piece 11 and the lower tip sliding connection of sample post 2 have seted up two identical constant head tanks 12 along the horizontal direction on the relative lateral wall of locating piece 11, and constant head tank 12 bottom has set firmly positioning spring 13 along the horizontal direction, has set firmly latch segment 14 on positioning spring 13, the inner wall sliding connection of latch segment 14 and sample post 2. When the locating piece 11 was arranged in and is slided in the sample column 2, the inner wall extrusion latch segment 14 of sample column 2, positioning spring 13 took place elastic deformation this moment, latch segment 14 was arranged in locating slot 12 with positioning spring 13, when locating piece 11 removed to the required position on, positioning spring 13 resets and pops out latch segment 14, positioning spring 13 and latch segment 14 realize the joint structure between sample column 2 and the sampling device, make sample column 2 and sampling mechanism 3 be connected more stably.

Referring to fig. 2 and 4, an end of the locking block 14 away from the positioning spring 13 has a hemispherical shape. The sliding connection process between the locking block 14 and the sampling column 2 is smoother due to the hemispherical locking block 14, so that the locking block 14 is better clamped with or separated from the sampling column 2.

Referring to fig. 1 and 2, the auger bit 22 is fixedly arranged on the lower end surface of the sampling mechanism 3 along the vertical direction. When the sampling mechanism 3 rotates and goes up and down, the auger bit 22 performs punching operation on the ground, so that the ground drilling sampling function of the sampling device is more complete.

The implementation principle of the sampling device for site investigation in the embodiment of the application is as follows: before using sampling equipment, remove aversion car 15 and move sampling equipment to the required position on, the flexible soil top that removes the sample post 2 to the needs sample more accurately of aversion cylinder output shaft, rotating electrical machines 19 rotates and makes the rotatory descending of lifting screw 20, and then drive the rotatory ascending and descending of sample post 2, sample post 2 drives sampling mechanism 3 and auger bit 22 rotatory descending and drills ground, lifting post 4 drives supporting leg 5 and arranges the vertical direction in and removes, when the lower terminal surface of supporting leg 5 and ground butt and lifting post 4 continue to descend, supporting leg 5 carries on spacingly to lifting post 4, make sample post 2 remove along vertical direction better, difficult emergence relative skew.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a sampling equipment is used in place investigation, includes support frame (1), rotates on support frame (1) and is connected with along the gliding sample post of vertical direction (2), its characterized in that: lower terminal surface detachable connection of sample post (2) has sampling mechanism (3), is equipped with on support frame (1) along the gliding lift post of vertical direction (4), sample post (2) pass lift post (4) and with lift post (4) sliding connection, along vertical direction sliding connection on the outer wall of lift post (4) have supporting leg (5), when the lower extreme of sampling mechanism (3) was arranged in the ground, supporting leg (5) and ground butt.

2. The sampling device for site investigation of claim 1, wherein: the upper end of supporting leg (5) has set firmly stopper (6), and spacing groove (7) have been seted up along vertical direction to the outer wall of lift post (4), stopper (6) and spacing groove (7) sliding connection.

3. The sampling device for site investigation of claim 2, wherein: the width that supporting leg (5) tip was kept away from in stopper (6) is greater than the width that stopper (6) are close to supporting leg (5) tip, and the shape of cross section of spacing groove (7) and stopper (6) shape of cross section looks adaptation.

4. The sampling device for site investigation of claim 2, wherein: an extrusion spring (8) is fixedly arranged in the limiting groove (7) along the vertical direction, and the lower end of the extrusion spring (8) is fixedly connected with the upper end face of the limiting block (6).

5. The sampling device for site investigation of claim 1, wherein: the outer wall of sampling post (2) is equipped with sliding block (9) along the horizontal direction, and circular form sliding tray (10) have radially been seted up to the inner wall of lift post (4), and sliding block (9) are arranged in sliding tray (10) and are removed.

6. The sampling device for site investigation of claim 5, wherein: sliding block (9) are the cylinder shape, and sliding block (9) are connected with the outer wall rotation of sample post (2), sliding block (9) and sliding tray (10) roll connection.

7. The sampling device for site investigation of claim 1, wherein: the upper end face of sampling mechanism (3) has set firmly locating piece (11), locating piece (11) and sample post (2) sliding connection, has seted up constant head tank (12) along the horizontal direction on locating piece (11), and constant head tank (12) bottom has set firmly positioning spring (13), has set firmly latch segment (14) on positioning spring (13), latch segment (14) and sample post (2) sliding connection.

8. The sampling device for site investigation of claim 7, wherein: one end of the locking block (14) far away from the positioning spring (13) is in a hemispherical shape.