CN215262539U

CN215262539U - Geotechnical engineering reconnaissance sampling device

Info

Publication number: CN215262539U
Application number: CN202121462767.8U
Authority: CN
Inventors: 翁国勇; 李宁; 陈斌
Original assignee: Fujian Quancheng Survey Co ltd
Current assignee: Fujian Quancheng Survey Co ltd
Priority date: 2021-06-29
Filing date: 2021-06-29
Publication date: 2021-12-21
Anticipated expiration: 2031-06-29

Abstract

The utility model relates to a geotechnical engineering reconnaissance sampling device, including being used for being fixed in the leading truck on ground and sliding the sampling body of wearing to locate the leading truck, the sampling body includes that the drive tube and the fixed connection of screw thread wearing to locate the leading truck are in order to carry out the sampling cartridge of sampling to the soil body in the drive tube, the fixed cover of drive tube is equipped with the adapter sleeve, the adapter sleeve is provided with the arm of force of exerting oneself, the arm of force of exerting oneself is including setting up in the application of force pipe of adapter sleeve and sliding and insert the pole of exerting oneself of locating the force pipe, the application of force pipe is provided with the locating part that the pole of exerting oneself of restriction slided. This application has the advantage that reduces staff's intensity of labour.

Description

Geotechnical engineering reconnaissance sampling device

Technical Field

The application relates to a ground exploration technical field especially relates to a geotechnical engineering reconnaissance sampling device.

Background

The foundation refers to a soil body or a rock body for supporting a foundation under a building, the foundation can be divided into a natural foundation and an artificial foundation, the stability of the foundation mainly depends on the cause type, the structural characteristics, the hydrogeological regulation, the physical and mechanical properties of the rock-soil body, the distribution condition and the like of the foundation rock-soil, and a sampling device is required to be used for sampling the soil of the naturally formed foundation before the building construction.

At present, chinese patent that the grant bulletin number is CN212693294U discloses a convenient sampling device is used in geotechnical engineering reconnaissance, including the master rod body, the upper portion fixedly connected with both hands grab handle of the master rod body, the outside cover of both hands grab handle has the rubber sleeve, the lower part of the master rod body is equipped with gaseous detection end, the left side of the master rod body is connected with first ground sample rod, the right side of the master rod body is connected with second ground sample rod, the outside of first ground sample rod is equipped with the frame type arch, the bellied inside of frame type is equipped with first sample groove, the downside of first ground sample rod is equipped with first spine, the lower part of second ground sample rod is equipped with the second spine, the inside of second ground sample rod is equipped with second sample groove, the upper portion of the master rod body is equipped with LED light filling lamp and camera.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: the torque length between the two-hand grab handle and the main rod body of the sampling device is fixed, and great effort is required when sampling the hard foundation soil layer of the geological region.

SUMMERY OF THE UTILITY MODEL

In order to reduce staff's intensity of labour, this application provides a geotechnical engineering reconnaissance sampling device.

The application provides a geotechnical engineering reconnaissance sampling device adopts following technical scheme:

the utility model provides a geotechnical engineering reconnaissance sampling device, is including being used for being fixed in the leading truck on ground and sliding the sampling body of wearing to locate the leading truck, the sampling body includes that the screw thread wears to locate the driving tube and the fixed connection of leading truck in order to carry out the sampling cartridge of sampling to the soil body, the fixed cover of driving tube is equipped with the adapter sleeve, the adapter sleeve is provided with the arm of force of exerting, the arm of force of exerting is including setting up in the force application pipe of adapter sleeve and sliding and insert the application of force pole of locating the application of force pipe, the application of force pipe is provided with the locating part that restriction application of force pole slided.

Through adopting above-mentioned technical scheme, the arm of force of exerting oneself includes the application of force pipe and the application of force pole, when reconnaissance sample is carried out harder ground in the geology, can adjust the flexible volume of sliding of application of force pole through sliding, and then adjust the length of the arm of force of exerting oneself to moment length between the arm of force of exerting oneself and the driving tube is adjusted, makes more laborsaving when rotating the driving tube, has not only reduced the intensity of labour when the workman operates, has still effectively improved the sampling efficiency of ground reconnaissance.

Preferably, the limiting part is a limiting threaded sleeve which is coaxially and rotatably connected to the force application pipe, a first threaded hole is formed in the limiting threaded sleeve in a coaxial penetrating mode, and the force application rod is a threaded rod with threads penetrating through the first threaded hole.

Through adopting above-mentioned technical scheme, through rotating spacing thread bush, realize adjusting the position of sliding of application of force pole, spacing thread bush and application of force pole screw-thread fit effectively carry out the auto-lock, realize the purpose fixed to the position of sliding of application of force pole.

Preferably, the limiting part is a limiting bolt with threads penetrating through the force application pipe, and the end part of the limiting bolt movably abuts against the outer wall of the force application rod.

Through adopting above-mentioned technical scheme, after adjusting the sliding of application of force pole, screw the spacing bolt and make the tip of spacing bolt support tightly in the outer wall of application of force pole to the fixed purpose in sliding position of application of force pole is realized to the damping form.

Preferably, the end part of the force application rod, which is far away from the force application pipe, is sleeved with a rubber sleeve.

By adopting the technical scheme, the comfort level of the worker in rotating the force application arm is improved.

Preferably, the leading truck includes fixed plate, fixed connection in the fixed pipe of fixed plate and coaxial fixed connection in the stand pipe of fixed pipe, the second screw hole has been seted up in the coaxial running-through of stand pipe, drive pipe threaded connection in second screw hole, the sampling barrel slides along the axial and wears to locate fixed pipe, the through-hole that supplies the sampling barrel to pass is seted up to the fixed plate, the fixed plate is provided with and is used for inserting the fixed stock of locating the soil body.

By adopting the technical scheme, the fixing plate is fixedly arranged on the ground of the area to be sampled through the anchor rod, so that the guide frame is fixed, the stability of the whole sampling process of the device is greatly improved, the device is prevented from shaking due to uneven stress, and the smooth sampling process is ensured; the driving pipe is in threaded fit with the guide pipe, and the driving pipe is rotated, so that the driving pipe and the sampling cylinder continuously move downwards and are inserted into a soil body to perform sampling operation.

Preferably, a reinforcing rod is fixedly connected between the fixing tube and the fixing plate.

Through adopting above-mentioned technical scheme, be provided with the stiffener, improve the connection structure stability of fixed plate and fixed pipe.

Preferably, the lower part of the sampling cylinder is provided with an earth inlet, and the lower part of the sampling cylinder is hinged with a control assembly for controlling the opening and closing of the earth inlet.

Through adopting above-mentioned technical scheme, be provided with the control assembly and realize opening and close advancing the soil mouth, on the one hand, guarantee that the sampling barrel can not sneak into the soil of the different degree of depth in the sampling process, improved the accuracy of reconnaissance data, on the other hand, after the sample is accomplished, seal advancing the soil mouth, reduce the possibility that soil falls out from the sampling barrel.

Preferably, the control assembly comprises a plurality of connecting pieces hinged to the lower portion of the sampling cylinder, a transmission rod penetrating through the driving pipe and the sampling cylinder in a sliding mode, and a hinged rod, one end of the hinged rod is hinged to the connecting pieces, the other end of the hinged rod is hinged to the transmission rod, the plurality of connecting pieces are distributed around the axis of the sampling cylinder, the transmission rod is partially exposed out of the driving pipe, a mounting plate is fixedly connected to the end portion of the transmission rod, and a driving piece for driving the transmission rod to slide is arranged between the mounting plate and the driving pipe.

Through adopting above-mentioned technical scheme, driving piece drive transfer line slides down, the free end that drives the connection piece through the hinge bar rotates towards the axis direction of keeping away from the sampling cylinder, thereby realize advancing the soil mouth and being the connected state, so that the sampling cylinder carries out the operation of fetching earth when inserting the soil body, driving piece drive transfer line upwards slides, the free end that drives the connection piece through the hinge bar rotates towards the axis direction that is close to the sampling cylinder, thereby realize advancing the soil mouth and being the enclosed state, reduce the possibility that soil falls out from the sampling cylinder.

To sum up, the utility model discloses following beneficial effect has:

1. the force application arm comprises the force application pipe and the force application rod, when reconnaissance sampling is carried out on a hard foundation, the telescopic slippage of the force application rod can be adjusted through slippage, and then the length of the force application arm is adjusted, so that the torque length between the force application arm and the driving pipe is adjusted, the driving pipe is rotated more labor-saving, the labor intensity of workers during operation is reduced, and the sampling efficiency of foundation reconnaissance is effectively improved;

2. be provided with the control assembly and realize opening and close advancing the soil mouth, on the one hand, guarantee that the sampling cylinder can not sneak into the soil of the different degree of depth in the sample process, improved the accuracy of reconnaissance data, on the other hand, after the sample is accomplished, seals advancing the soil mouth, reduces the possibility that soil falls out from in the sampling cylinder.

Drawings

FIG. 1 is a schematic view showing the overall construction of a geotechnical engineering investigation sampling apparatus according to example 1;

FIG. 2 is a schematic view showing a connecting structure of a sample body and a guide frame in example 1;

FIG. 3 is an enlarged partial schematic view of FIG. 2 at A;

FIG. 4 is a schematic view showing an opened state of the connecting piece in embodiment 1;

FIG. 5 is a schematic view showing the structure of the force applying arm in example 2.

In the figure, 1, a guide frame; 11. a fixing plate; 12. a fixed tube; 13. a guide tube; 14. a reinforcing bar; 15. fixing an anchor rod; 2. sampling a sample; 21. a drive tube; 22. a sampling cartridge; 23. a helical blade; 24. connecting sleeves; 3. applying a force arm; 31. a force application pipe; 32. a force application rod; 33. a limiting member; 34. a rubber sleeve; 5. a control component; 51. connecting sheets; 52. a transmission rod; 53. a hinged lever; 54. mounting a plate; 55. a drive member; .

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses geotechnical engineering reconnaissance sampling device.

Example 1: the utility model provides a geotechnical engineering reconnaissance sampling device, refers to figure 1, wears to locate the sampling body 2 of leading truck 1 in order to carry out the sample to the soil body including being used for being fixed in leading truck 1 on ground and sliding.

Referring to fig. 1 and 2, the guide frame 1 includes a fixing plate 11, a fixing tube 12, and a guide tube 13, wherein the fixing tube 12 is fixedly connected to an upper end surface of the fixing plate 11, and the guide tube 13 is coaxially and fixedly connected to the guide tube 13 on the upper end surface of the fixing tube 12. The upper end face of fixed plate 11 runs through and has seted up the through-hole, and the lower terminal surface fixedly connected with of fixed plate 11 is used for inserting the fixed stock 15 of locating the soil body, and fixed stock 15 is provided with a plurality ofly and distributes around the axis of fixed plate 11. Fixedly connected with stiffener 14 between fixed pipe 12 and fixed plate 11, stiffener 14 are provided with many and distribute around the axis of fixed pipe 12, and the one end fixed connection of stiffener 14 is in fixed plate 11 and other end fixed connection in fixed pipe 12. The upper end face of the guide pipe 13 coaxially penetrates through the guide pipe to be provided with a second threaded hole, the second threaded hole is communicated with an inner hole of the fixed pipe 12, and the inner hole of the fixed pipe 12 is communicated with the through hole.

Referring to fig. 1 and 2, the sampling body 2 includes a driving tube 21 and a sampling cylinder 22 for sampling the soil mass, the lower end of the driving tube 21 is fixedly connected to the upper end of the sampling cylinder 22, the outer peripheral wall of the driving tube 21 is provided with an external thread connected to the second threaded hole, the sampling cylinder 22 slides along the axial direction to penetrate through the inner hole of the fixed tube 12, and the sampling cylinder 22 slides to penetrate through the through hole. The upper part of the driving pipe 21 is fixedly sleeved with a connecting sleeve 24, the outer wall of the connecting sleeve 24 is fixedly connected with force applying arms 3, and the force applying arms 3 are provided with two groups and are symmetrically distributed along the axis of the connecting sleeve 24. Each group of force application arms 3 comprises a force application pipe 31 and a force application rod 32, one end of the force application pipe 31 is fixedly connected to the outer peripheral wall of the connecting sleeve 24, and the force application rod 32 is slidably inserted into the force application pipe 31 along the axial direction of the force application pipe 31.

Referring to fig. 1, the force application pipe 31 is provided with a limiting part 33 for limiting the sliding of the force application rod 32, the limiting part 33 is a limiting threaded sleeve coaxially rotatably connected to one end of the force application pipe 31 far away from the connection sleeve 24, and the cross section of the limiting threaded sleeve is in a regular hexagon shape, so that a worker can conveniently rotate the limiting threaded sleeve by using a wrench. The first threaded hole is coaxially arranged through the limiting threaded sleeve. The force application rod 32 is a threaded rod with threads penetrating through the first threaded hole, and a rubber sleeve 34 is sleeved on the end part, far away from the force application pipe 31, of the force application rod 32.

Referring to fig. 2 and 3, the lower part of the sampling cylinder 22 is provided with an earth inlet, the outer wall of the sampling cylinder 22 is fixed with a helical blade 23, and the lower part of the sampling cylinder 22 is hinged with a control component 5 for controlling the opening and closing of the earth inlet. The control assembly 5 comprises a plurality of connecting pieces 51, a transmission rod 52 and a hinge rod 53, wherein the connecting pieces 51 are distributed around the axis of the sampling cylinder 22, in the embodiment, the number of the connecting pieces 51 is four, the connecting pieces 51 are hinged to the lower end of the sampling cylinder 22, the transmission rod 52 penetrates through the driving pipe 21 and the sampling cylinder 22 in a sliding mode along the axial direction, one end of the hinge rod 53 is hinged to the free end of the connecting piece 51, and the other end of the hinge rod 53 is hinged to the lower end of the transmission rod 52. The transmission rod 52 is partially exposed out of the driving tube 21, an installation plate 54 is fixedly connected to the upper end of the transmission rod 52, a driving member 55 for driving the transmission rod 52 to slide is arranged between the installation plate 54 and the driving tube 21, specifically, the driving member 55 is a cylinder, the cylinder body of the cylinder is fixedly connected to the upper end face of the driving tube 21, and the end of the piston rod of the cylinder is fixedly connected to the lower end face of the installation plate 54.

The implementation principle of the geotechnical engineering investigation sampling device in the embodiment of the application is as follows: when taking a sample, at first place leading truck 1 in the region that needs the sample, and leading truck 1 down, make inside fixed stock 15 inserts soil, the staff grips the arm of force 3 of exerting oneself and rotates the arm of force 3 of exerting oneself, drive tube 21 can drive cartridge 22 and carry out synchronous rotation, utilize helical blade 23 can turn the soil around the cartridge 22, refer to fig. 4, connection piece 51 is open state this moment, the soil body enters into cartridge 22, after the sample is accomplished, driving piece 55 drive transfer line upwards slides, the free end that drives connection piece 51 through hinge bar 53 rotates towards the axis direction that is close to cartridge 22, thereby realize advancing the soil mouth and being the encapsulated situation, reduce the possibility that soil falls out from cartridge 22, reverse drive tube 21 can.

When taking a sample to the harder ground department of geology, through rotating spacing thread bush, realize adjusting the position of sliding of application of force pole 32, adjust the moment length of applying force between arm of force 3 and the sampling body 2, rotate this moment and apply force arm 3 and can be comparatively laborsaving, reduced the intensity of labour of device in the sample process, efficiency when having improved ground reconnaissance sample greatly.

Example 2: the difference from embodiment 1 is that, referring to fig. 5, the limiting member 33 is a limiting bolt threaded through the force application pipe 31, and an end of the limiting bolt movably abuts against an outer wall of the force application rod 32.

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 geotechnical engineering reconnaissance sampling device which characterized in that: including leading truck (1) that is used for being fixed in ground and slide and wear to locate sampling body (2) of leading truck (1), sampling body (2) are worn to locate drive tube (21) and fixed connection of leading truck (1) in order to carry out sampling cartridge (22) to the soil body including the screw thread, the fixed cover of drive tube (21) is equipped with adapter sleeve (24), adapter sleeve (24) are provided with the arm of force of exerting (3), the arm of force of exerting (3) is including setting up in application of force pipe (31) of adapter sleeve (24) and sliding and insert and locate application of force pole (32) of exerting force pipe (31), application of force pipe (31) are provided with locating part (33) that restriction application of force pole (32) slided.

2. The geotechnical engineering investigation sampling device of claim 1, wherein: the limiting piece (33) is a limiting threaded sleeve which is coaxially and rotatably connected to the force application pipe (31), a first threaded hole is formed in the limiting threaded sleeve in a coaxial penetrating mode, and the force application rod (32) is a threaded rod with threads penetrating through the first threaded hole.

3. The geotechnical engineering investigation sampling device of claim 1, wherein: the limiting piece (33) is a limiting bolt with threads penetrating through the force application pipe (31), and the end part of the limiting bolt movably abuts against the outer wall of the force application rod (32).

4. The geotechnical engineering investigation sampling device of claim 1, wherein: the end part of the force application rod (32) far away from the force application pipe (31) is sleeved with a rubber sleeve (34).

5. The geotechnical engineering investigation sampling device of claim 1, wherein: leading truck (1) is including fixed plate (11), fixed connection in fixed pipe (12) of fixed plate (11) and coaxial fixed connection in stand pipe (13) of fixed pipe (12), the second screw hole has been seted up in the coaxial running-through of stand pipe (13), driving tube (21) threaded connection in second screw hole, cartridge (22) slide along the axial and wear to locate fixed pipe (12), the through-hole that supplies cartridge (22) to pass is seted up in fixed plate (11), fixed plate (11) are provided with and are used for inserting fixed stock (15) of locating the soil body.

6. The geotechnical engineering investigation sampling device of claim 5, wherein: and a reinforcing rod (14) is fixedly connected between the fixed tube (12) and the fixed plate (11).

7. The geotechnical engineering investigation sampling device of claim 5, wherein: the lower part of sampling cylinder (22) has into soil mouth, the lower part of sampling cylinder (22) articulates there is control assembly (5) that control into soil mouth and open and close.

8. The geotechnical engineering investigation sampling device of claim 7, wherein: the control assembly (5) comprises a plurality of connecting pieces (51) hinged to the lower portion of the sampling cylinder (22), a transmission rod (52) penetrating through the driving pipe (21) and the sampling cylinder (22) in a sliding mode, a hinge rod (53) with one end hinged to the connecting piece (51) and the other end hinged to the transmission rod, a plurality of connecting pieces (51) are distributed around the axis of the sampling cylinder (22), the transmission rod (52) is partially exposed out of the driving pipe (21), a mounting plate (54) is fixedly connected to the end portion of the transmission rod (52), and a driving piece (55) for driving the transmission rod (52) to slide is arranged between the mounting plate (54) and the driving pipe (21).