CN213956852U

CN213956852U - High-efficient geotome

Info

Publication number: CN213956852U
Application number: CN202023349399.4U
Authority: CN
Inventors: 于忠林; 周熙阳; 许家培
Original assignee: Yangzhou Kaiyuan Geotechnical Engineering Testing Co ltd
Current assignee: Yangzhou Kaiyuan Geotechnical Engineering Testing Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-08-13
Anticipated expiration: 2030-12-31

Abstract

The application relates to a high-efficiency soil sampler, which relates to the field of soil samplers and comprises a soil sampling cylinder with an open bottom, a movable rod arranged in the soil sampling cylinder and a push plate arranged at the bottom of the movable rod, wherein the upper end of the soil sampling cylinder is provided with an installation groove arranged along the height direction of the soil sampling cylinder; two mounting grooves are symmetrically arranged on the axis of the soil sampling cylinder; the inner wall of the soil sampling cylinder is provided with a chute communicated with the mounting groove; the chute is close to the bottom of the soil taking barrel; the position of the mounting groove close to the groove bottom is rotationally connected with a lead screw; the lead screw is in threaded connection with a sliding seat; the lower end of the sliding seat is provided with a soil retaining plate which is connected with the bottom of the mounting groove in a sliding manner; one side of the soil retaining plate is inserted into the sliding groove; and the soil sampling cylinder is provided with a driving assembly for driving the two lead screws to rotate. The method has the effect of improving the collection efficiency of the plateau sample soil.

Description

High-efficient geotome

Technical Field

The application relates to the field of geotomes, in particular to a high-efficiency geotome.

Background

At present, in geotechnical engineering investigation drilling, the adopted soil sampler is various in types, the soil sampler is used for lifting undisturbed soil of lower-layer test soil as a sample to know the property of the sample, and in order to better know the property of a base layer, original soil is sometimes required to be taken at a deeper position, so that a connecting rod is added in the middle of the soil sampler, and the soil sampler is called as a soil sampler.

At present, uncovered formula geotome of getting original state soil sample mainly by the geotome casing that the bottom set up for the opening with set up the movable rod in the geotome casing, and the bottom fixed mounting of movable rod has the push pedal, will get the geotome casing and bore in the soil and extract to the geotome after the degree of depth that needs, can obtain the original state soil sample, promote the movable rod again, the movable rod drives the push pedal and takes out the original state soil sample from the geotome casing.

In view of the above-mentioned related art, the inventor thinks that when taking undisturbed soil, it is inconvenient to plug the bottom of the undisturbed soil that gathers, when pulling out the geotome casing, undisturbed soil easily leaks from the geotome casing, leads to the collection inefficiency of former appearance soil.

SUMMERY OF THE UTILITY MODEL

In order to improve the collection efficiency of the plateau sample soil, the application provides a high-efficient geotome.

The application provides a high-efficient geotome adopts following technical scheme:

an efficient soil sampler comprises a soil sampling cylinder with an open bottom, a movable rod arranged in the soil sampling cylinder and a push plate arranged at the bottom of the movable rod, wherein the upper end of the soil sampling cylinder is provided with an installation groove arranged along the height direction of the soil sampling cylinder; two mounting grooves are symmetrically arranged on the axis of the soil sampling cylinder; the inner wall of the soil sampling cylinder is provided with a chute communicated with the mounting groove; the chute is close to the bottom of the soil taking barrel; the position of the mounting groove close to the groove bottom is rotationally connected with a lead screw; the lead screw is in threaded connection with a sliding seat; the lower end of the sliding seat is provided with a soil retaining plate which is connected with the bottom of the mounting groove in a sliding manner; one side of the soil retaining plate is inserted into the sliding groove; and the soil sampling cylinder is provided with a driving assembly for driving the two lead screws to rotate.

Through adopting above-mentioned technical scheme, peg graft in the soil horizon with a soil sampling section of thick bamboo and get former sample soil after, through starting drive assembly, make two lead screws of drive assembly drive rotate, because one side of retaining plate is pegged graft in the spout, restrict retaining plate, rotate through the lead screw and drive the slide holder and remove to the direction that is close to the spout, thereby make retaining plate stretch out the spout, two retaining plate seal the bottom of a soil sampling section of thick bamboo, when soil sampling finishes promoting a soil sampling section of thick bamboo, can reduce former original state soil looseness in the soil sampling section of thick bamboo and drop, the collection efficiency of former state soil has been improved.

Preferably, the driving assembly comprises a first bevel gear fixed at one end of the screw rod and a rotating rod rotatably arranged in the mounting groove; the length direction of the rotating rod is consistent with the height direction of the soil sampling cylinder; a second bevel gear meshed with the first bevel gear is arranged at the lower end of the rotating rod; the upper end surface of the soil sampling cylinder is provided with a fixing groove; a gear ring is rotationally connected in the fixed groove; the upper end of the rotating rod is provided with a transmission gear meshed with the inner side wall of the gear ring; a connecting plate is fixed on the upper end surface of the gear ring; a fixed cylinder is arranged on the connecting plate; the movable rod is inserted in the fixed cylinder and is connected with the fixed cylinder in a sliding manner.

Through adopting above-mentioned technical scheme, rotate the solid fixed cylinder, the solid fixed cylinder drives the connecting plate and rotates, because the up end fixed connection of connecting plate and ring gear, make the ring gear rotate, drive gear with the inside lateral wall of ring gear engaged with rotates, consequently, drive the bull stick and rotate, the first bevel gear of bull stick bottom meshes with the second bevel gear of lead screw tip mutually, and then the drive lead screw rotates, the lead screw drives the radial sliding of slide along the soil sampling section of thick bamboo, make one side of fender board stretch out the spout, and two opposite one side looks butt of fender board, seal the bottom of soil sampling section of thick bamboo.

Preferably, a limiting groove is formed at the bottom of the mounting groove; an extension line in the length direction of the limiting groove passes through the axis of the soil sampling cylinder; the lower terminal surface of retaining plate is provided with the stopper that slides and set up in the spacing inslot.

Through adopting above-mentioned technical scheme, set up the spacing groove, carry on spacingly to the moving direction who keeps off the native board for keep off the native board and can stably remove along the length direction of spacing groove.

Preferably, the fixed cylinder is connected with the connecting plate through a mounting assembly; the mounting assembly comprises a first half ring attached to one side of the fixed cylinder and a second half ring attached to the other side of the fixed cylinder; the fixing blocks are arranged on the sides, away from each other, of the first half ring and the second half ring and fixedly connected with the upper end face of the connecting plate; fixing pieces are arranged on two sides of the first half ring and the second half ring; the fixing pieces which are correspondingly arranged on the first half ring and the second half ring are fixedly connected through bolts.

Through adopting above-mentioned technical scheme, set up the installation component, can install fixed cylinder, fixed cylinder can dismantle with the connecting plate and be connected, can be according to the depth of getting soil of difference, installs the fixed cylinder of different length, is convenient for rotate the ring gear, adjusts the position that keeps off the native board. When the installation, at first peg graft the fixed cylinder between first semi-ring and second semi-ring, screw up the bolt again, will two stationary blade locks of relative setting for first semi-ring and second semi-ring will fix the collet chuck fastening.

Preferably, the connecting plate is provided with a slot which is matched with the fixed cylinder in an inserting manner; a positioning strip is fixed on the outer side wall of the fixed cylinder and close to the lower end; two positioning strips are symmetrically arranged about the axis of the fixed cylinder; and the groove wall of the slot is provided with a positioning groove which is in splicing fit with the positioning strip.

Through adopting above-mentioned technical scheme, set up the slot, can peg graft the lower extreme of solid fixed cylinder in the slot to location strip and constant head tank cooperation set up, can be favorable to reducing and take place relative rotation between solid fixed cylinder and the connecting plate, and then can drive the connecting plate through rotating solid fixed cylinder and rotate.

Preferably, an annular groove concentric with the soil sampling cylinder is formed in the upper end surface of the soil sampling cylinder and at the position on the inner side of the mounting groove; the lower end face of the connecting plate is provided with a limiting ring which is rotatably connected in the annular groove; the groove diameter of the annular groove is gradually reduced from the groove bottom to the groove opening.

Through adopting above-mentioned technical scheme, set up the ring channel, can be favorable to fixing a position the connecting plate for the connecting plate can only use the axis of a soil sampling section of thick bamboo to rotate as rotation center, and the degressive groove footpath of ring channel is favorable to improving the connection stability of connecting plate and a soil sampling section of thick bamboo in addition.

Preferably, a mounting plate is fixed on the outer side wall of the soil sampling cylinder and close to the upper end of the soil sampling cylinder; the lower terminal surface of mounting panel is provided with a plurality of evenly distributed's inserted bar.

Through adopting above-mentioned technical scheme, the mounting panel can improve the stability of a soil sampling section of thick bamboo grafting in soil for after a soil sampling section of thick bamboo got soil, be convenient for adjust the ring gear, the inserted bar can improve the stability of being connected of a soil sampling section of thick bamboo and soil, is difficult for driving a soil sampling section of thick bamboo rotation when making to rotate a fixed section of thick bamboo.

Preferably, the lower end of the soil sampling cylinder is provided with a conical cylinder; the big end of the conical cylinder is fixedly connected with the lower end of the soil sampling cylinder.

Through adopting above-mentioned technical scheme, set up a toper section of thick bamboo, be convenient for get soil for it pegs graft in soil more easily to get a soil section of thick bamboo.

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

the driving assembly drives the two screw rods to rotate, one side of the soil blocking plate is inserted into the sliding groove to limit the soil blocking plate, and the sliding seat is driven to move towards the direction close to the sliding groove through the rotation of the screw rods, so that the soil blocking plate extends out of the sliding groove, the two soil blocking plates seal the bottom of the soil sampling cylinder, original soil in the soil sampling cylinder can be reduced from loosening and falling, and the original soil collection efficiency is improved;

the limiting groove is arranged to limit the moving direction of the retaining plate, so that the retaining plate can stably move along the length direction of the limiting groove;

set up the ring channel, can be favorable to fixing a position the connecting plate for the connecting plate can only use the axis of a soil sampling section of thick bamboo to rotate as the rotation center, and the degressive groove footpath of ring channel is favorable to improving the connection stability of connecting plate and a soil sampling section of thick bamboo in addition.

Drawings

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

Fig. 2 is a schematic structural view of the inside of the soil sampling cylinder according to the embodiment of the present application.

Fig. 3 is an enlarged schematic view of a portion a in fig. 2.

Fig. 4 is an enlarged schematic view of a portion B in fig. 2.

Description of reference numerals: 1. a soil sampling cylinder; 11. a movable rod; 12. pushing the plate; 13. a tapered barrel; 14. mounting a plate; 15. inserting a rod; 16. mounting grooves; 161. a limiting groove; 17. a chute; 18. fixing grooves; 19. an annular groove; 2. a lead screw; 21. a slide base; 22. a soil guard plate; 23. a limiting block; 3. a drive assembly; 31. a first bevel gear; 32. a rotating rod; 33. a second bevel gear; 34. a ring gear; 35. a connecting plate; 351. a slot; 352. positioning a groove; 36. a limiting ring; 37. a transmission gear; 4. a fixed cylinder; 41. a positioning bar; 5. mounting the component; 51. a first half ring; 52. a second half ring; 53. a fixed block; 54. a sheet is fixed.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses high-efficient geotome. Referring to fig. 1 and 2, the efficient soil sampler comprises a soil sampling cylinder 1, a movable rod 11 and a push plate 12, wherein the bottom of the soil sampling cylinder 1 is open, a conical cylinder 13 is formed at the bottom of the soil sampling cylinder 1, and the large end of the conical cylinder 13 is fixedly connected with the lower end of the soil sampling cylinder 1. The push plate 12 is connected inside the soil sampling cylinder 1 in a sliding manner, and the outer side wall of the push plate 12 is attached to the inner side wall of the soil sampling cylinder 1. The movable rod 11 is fixed on the upper end of the push plate 12, and the upper end of the movable rod 11 penetrates through the upper end of the soil sampling cylinder 1 and is connected with the soil sampling cylinder 1 in a sliding mode. The outer side wall of the soil sampling cylinder 1 is fixed with an installation plate 14 at a position close to the upper end, the installation plate 14 is in an annular shape, a plurality of insertion rods 15 are fixed on the lower end face of the installation plate 14, and the insertion rods 15 are uniformly distributed along the circumferential direction of the installation plate 14.

Referring to fig. 2 and 3, mounting groove 16 has been seted up to the upper end of a soil sampling section of thick bamboo 1, the direction of height of mounting groove 16 is unanimous with the direction of height of a soil sampling section of thick bamboo 1, and mounting groove 16 is provided with two about the axis symmetry of a soil sampling section of thick bamboo 1, the spout 17 that has the level to set up is just offered to the position that is close to a soil sampling section of thick bamboo 1 bottom to the inner wall of a soil sampling section of thick bamboo 1, spout 17 is linked together with mounting groove 16, mounting groove 16 is close to the position rotation of tank bottom and is connected with lead screw 2, lead screw 2 level sets up, and threaded connection has slide 21 on the lead screw 2, the lower extreme of slide 21 is fixed with soil guard plate 22, peg graft in spout 17 in one side of soil guard plate 22, spacing groove 161 has been seted up to the tank bottom of mounting groove 16, and the ascending extension line in spacing groove 161 length direction passes through the axle center of a soil sampling section of thick bamboo 1, the lower terminal surface of soil guard plate 22 is fixed with spacing block 23, spacing block 23 sliding connection is in spacing groove 161.

Referring to fig. 3, in order to facilitate the rotation of the driving screw 2, a driving assembly 3 is mounted on the soil sampling barrel 1, the driving assembly 3 includes a first bevel gear 31, a rotating rod 32, a second bevel gear 33 and a gear ring 34, the first bevel gear 31 is fixed at one end of the screw 2 far away from the chute 17, the rotating rod 32 is rotatably connected in the mounting groove 16, the length direction of the rotating rod 32 is consistent with the height direction of the soil sampling barrel 1, the second bevel gear 33 is fixed at the lower end of the rotating rod 32, and the second bevel gear 33 is engaged with the first bevel gear 31.

Referring to fig. 1 and 4, a fixing groove 18 is formed on the upper end surface of the soil sampling cylinder 1. The groove bottom of the fixed groove 18 is communicated with the upper end of the mounting groove 16, the gear ring 34 is rotationally connected to the fixed groove 18, the upper end of the rotating rod 32 is fixedly provided with a transmission gear 37, the transmission gear 37 is meshed with the inner side wall of the gear ring 34, the upper end face of the gear ring 34 is fixedly provided with a disc-shaped connecting plate 35, the upper end face of the soil sampling cylinder 1 and the position on the inner side of the mounting groove 16 are provided with an annular groove 19, the annular groove 19 and the soil sampling cylinder 1 are concentrically arranged, the groove diameter of the annular groove 19 is gradually reduced from the groove bottom to the groove opening, the lower end face of the connecting plate 35 is fixedly provided with a limiting ring 36, and the limiting ring 36 is rotationally connected into the annular groove 19. The connecting plate 35 is detachably fixed with a vertically arranged fixed cylinder 4, and the movable rod 11 is inserted in the fixed cylinder 4 and is connected with the fixed cylinder 4 in a sliding manner. Seted up slot 351 on the connecting plate 35, the cooperation of pegging graft of solid fixed cylinder 4 and slot 351, and the lateral wall of solid fixed cylinder 4 and the position that is close to the lower extreme are fixed with two location strips 41, and two location strips 41 set up about the axis symmetry of solid fixed cylinder 4, have seted up two constant head tanks 352 at the cell wall of slot 351, and location strip 41 pegs graft the cooperation with constant head tank 352.

Referring to fig. 1, the fixed cylinder 4 is connected with the connecting plate 35 through the mounting assembly 5, the mounting assembly 5 includes a first half ring 51, a second half ring 52 and fixing pieces 54, the first half ring 51 and the second half ring 52 are formed by rolling elastic steel sheets, fixing blocks 53 are fixed on the sides of the first half ring 51 and the second half ring 52, the fixing blocks 53 are fixedly connected with the upper end face of the connecting plate 35, the first half ring 51 is attached to one side of the fixed cylinder 4, the second half ring 52 is attached to the other side of the fixed cylinder 4, the fixing pieces 54 are four, the fixing pieces 54 are fixed on the two sides of the first half ring 51 and the second half ring 52, and when the first half ring 51 and the second half ring 52 are clamped on the outer side wall of the fixed cylinder 4, the fixing pieces 54 correspondingly arranged on the first half ring 51 and the second half ring 52 are fixedly connected through bolts.

The implementation principle of this application embodiment high-efficient geotome does: when the soil sampling device is used, the soil sampling cylinder 1 is inserted into soil, so that original soil enters the soil sampling cylinder 1, the mounting plate 14 is attached to the upper surface of the soil, the insertion rod 15 is inserted into the soil, and the soil sampling cylinder 1 is fixed. Through rotating the solid fixed cylinder 4, make the solid fixed cylinder 4 drive the connecting plate 35 and rotate, the ring gear 34 with connecting plate 35 fixed connection rotates, drive gear 37 with the inside wall meshing of ring gear 34 rotates, consequently, drive bull stick 32 and rotate, the first bevel gear 31 of bull stick 32 bottom meshes with the second bevel gear 33 of lead screw 2 tip mutually, and then drive lead screw 2 and rotate, lead screw 2 drives the radial sliding of slide 21 along soil sampling section of thick bamboo 1, make one side of retaining plate 22 stretch out spout 17, and two opposite one side looks butts of retaining plate 22, seal the bottom of soil sampling section of thick bamboo 1.

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 high-efficient geotome, includes that the bottom is a geotome (1) of opening form, sets up movable rod (11) in geotome (1), sets up in push pedal (12) of movable rod (11) bottom, its characterized in that: the upper end of the soil sampling cylinder (1) is provided with an installation groove (16) arranged along the height direction of the soil sampling cylinder (1); the two mounting grooves (16) are symmetrically arranged about the axis of the soil sampling cylinder (1); the inner wall of the soil sampling cylinder (1) is provided with a sliding chute (17) communicated with the mounting groove (16); the chute (17) is close to the bottom of the soil sampling cylinder (1); the position of the mounting groove (16) close to the bottom of the groove is rotationally connected with a screw rod (2); a sliding seat (21) is connected to the screw rod (2) in a threaded manner; the lower end of the sliding seat (21) is provided with a soil retaining plate (22) which is connected with the bottom of the mounting groove (16) in a sliding manner; one side of the soil retaining plate (22) is inserted into the sliding groove (17); the soil sampling cylinder (1) is provided with a driving assembly (3) for driving the two lead screws (2) to rotate.

2. The high efficiency soil sampler as recited in claim 1, wherein: the driving assembly (3) comprises a first bevel gear (31) fixed at one end of the screw rod (2) and a rotating rod (32) rotatably arranged in the mounting groove (16); the length direction of the rotating rod (32) is consistent with the height direction of the soil sampling cylinder (1); a second bevel gear (33) meshed with the first bevel gear (31) is arranged at the lower end of the rotating rod (32); the upper end surface of the soil sampling cylinder (1) is provided with a fixing groove (18); a gear ring (34) is rotationally connected in the fixing groove (18); the upper end of the rotating rod (32) is provided with a transmission gear (37) meshed with the inner side wall of the gear ring (34); a connecting plate (35) is fixed on the upper end surface of the gear ring (34); a fixed cylinder (4) is arranged on the connecting plate (35); the movable rod (11) is inserted in the fixed cylinder (4) and is connected with the fixed cylinder (4) in a sliding manner.

3. A high efficiency soil sampler as claimed in claim 2, wherein: a limiting groove (161) is formed at the bottom of the mounting groove (16); an extension line in the length direction of the limiting groove (161) passes through the axis of the soil sampling cylinder (1); the lower end face of the soil retaining plate (22) is provided with a limiting block (23) which is arranged in the limiting groove (161) in a sliding mode.

4. A high efficiency soil sampler as claimed in claim 2, wherein: the fixed cylinder (4) is connected with the connecting plate (35) through a mounting component (5); the mounting component (5) comprises a first half ring (51) attached to one side of the fixed cylinder (4) and a second half ring (52) attached to the other side of the fixed cylinder (4); fixed blocks (53) are arranged on the sides, away from each other, of the first half ring (51) and the second half ring (52), and the fixed blocks (53) are fixedly connected with the upper end face of the connecting plate (35); fixing plates (54) are arranged on two sides of the first half ring (51) and the second half ring (52); the fixing plates (54) which are correspondingly arranged on the first half ring (51) and the second half ring (52) are fixedly connected through bolts.

5. The high efficiency soil sampler as recited in claim 4, wherein: the connecting plate (35) is provided with a slot (351) which is in plug-in fit with the fixed cylinder (4); a positioning strip (41) is fixed on the outer side wall of the fixed cylinder (4) and close to the lower end; the two positioning strips (41) are symmetrically arranged about the axis of the fixed cylinder (4); and a positioning groove (352) which is in splicing fit with the positioning strip (41) is formed in the groove wall of the slot (351).

6. A high efficiency soil sampler as claimed in claim 2, wherein: an annular groove (19) which is concentric with the soil sampling cylinder (1) is formed in the upper end surface of the soil sampling cylinder (1) and is positioned on the inner side of the mounting groove (16); the lower end face of the connecting plate (35) is provided with a limiting ring (36) which is rotatably connected in the annular groove (19); the groove diameter of the annular groove (19) is gradually reduced from the groove bottom to the groove opening.

7. The high efficiency soil sampler as recited in claim 1, wherein: an installation plate (14) is fixed on the outer side wall of the soil sampling cylinder (1) and close to the upper end; the lower end face of the mounting plate (14) is provided with a plurality of inserting rods (15) which are uniformly distributed.

8. The high efficiency soil sampler as recited in claim 1, wherein: the lower end of the soil sampling cylinder (1) is provided with a conical cylinder (13); the big end of the conical cylinder (13) is fixedly connected with the lower end of the soil sampling cylinder (1).