CN114517648A

CN114517648A - Geotechnical engineering investigation is with survey device

Info

Publication number: CN114517648A
Application number: CN202210119783.XA
Authority: CN
Inventors: 赵行立; 刘栋; 周臣; 张珊珊; 朱森鹏
Original assignee: Shenzhen Baiqin Construction Engineering Co ltd
Current assignee: Shenzhen Baiqin Construction Engineering Co ltd
Priority date: 2022-02-09
Filing date: 2022-02-09
Publication date: 2022-05-20

Abstract

The invention relates to the field of geotechnical engineering investigation, in particular to a measuring device for geotechnical engineering investigation. The drilling rod is vertical setting, the bottom of installation section of thick bamboo is provided with the confession the hole of stepping down that the drilling rod wore to establish. The installation section of thick bamboo internal rotation is provided with drive screw, drive screw is vertical setting, lift seat threaded connection in drive screw. This application has the effect that improves the stationarity of drilling process.

Description

Geotechnical engineering investigation is with survey device

Technical Field

The invention relates to the field of geotechnical engineering investigation, in particular to a measuring device for geotechnical engineering investigation.

Background

The geotechnical engineering investigation refers to finding out, analyzing and evaluating geological and environmental characteristics of a construction site and geotechnical engineering conditions according to requirements of construction engineering, and compiling activities of investigation files. In the geotechnical investigation, a drilling tool is used for drilling from the ground surface to the underground, a cylindrical drilling hole is formed in the underground, rock cores, soil and water samples at different depths are obtained through the drilling hole, and the samples are sent to a laboratory for analysis, so that geotechnical characteristic data are obtained.

At present, chinese patent with publication number CN108692717A discloses a survey device for geotechnical engineering investigation, including the carousel case, two slide bars of fixedly connected with in the carousel case, the slider has been cup jointed in the slide bar, and the one end fixedly connected with foot that two sliders kept away from each other is played the pole, fixedly connected with dead lever between two sliders. The cover is equipped with first spring on the slide bar, and first spring extrusion is between the lower lateral wall of the interior bottom of carousel case and slider, and fixedly connected with rotates the motor on the dead lever, rotates the output fixedly connected with dwang of motor, and the dwang lower extreme runs through the interior bottom of dead lever and carousel case in proper order and outwards extends, and the lower extreme of dwang is equipped with the drill bit.

Above-mentioned survey device for geotechnical engineering reconnaissance need be surveyed the ground, and for rotating the motor circular telegram, it rotates to rotate the motor drive dwang, and the dwang drives the drill bit and rotates, and the operator holds the handle, and the foot is stepped on the foot and is played the pole, and the foot is played the pole and is driven slider and movable block and slide on the slide bar to this measured depth of adjusting the drill bit.

With respect to the related art in the above, the inventors consider that: the operator foot is stepped on and is driven the slider decline on the foot kicked the pole, and first spring compression is along with the drill bit constantly descends, the decrement crescent of first spring, and first spring enlarges gradually the elastic force that the slider was applyed to the operator foot to can feel labouring gradually on the foot kicked the pole. Therefore, the first spring applies gradually-increased elastic resistance to the sliding block, so that an operator cannot step on the kick rod stably, the drill cannot descend stably, and the stability of the drilling process is reduced.

Disclosure of Invention

In order to improve the stationarity of drilling process, this application provides a survey device is used in geotechnical engineering reconnaissance.

The application provides a pair of survey device is used in geotechnical engineering reconnaissance adopts following technical scheme:

the utility model provides a geotechnical engineering reconnaissance is with survey device, includes an installation section of thick bamboo, it is connected with the lift seat to slide along vertical in the installation section of thick bamboo, it is connected with the drilling rod to rotate on the lift seat, be connected with on the lift seat and be used for the drive drilling rod pivoted motor, the drilling rod is vertical setting, the bottom of an installation section of thick bamboo is provided with the confession the hole of stepping down that the drilling rod was worn to establish, an installation section of thick bamboo internal rotation is provided with drive screw, drive screw is vertical setting, lift seat threaded connection in drive screw.

Through adopting above-mentioned technical scheme, the operator orders about drive screw and rotates, and drive screw drives the lift seat and goes up and down, and the lift seat drives drilling rod and motor lift, and the motor drive drilling rod rotates, and the drilling rod drills to ground. Above-mentioned technical scheme is through mutually supporting of drive screw, lift seat for comparatively steady when the drilling rod goes up and down, thereby improved the stability of drilling process.

Optionally, the driving screw includes first screw rod, second screw rod, first screw rod with first screw rod all is vertical setting, first screw rod coaxial be fixed in the top of second screw rod, first screw rod with the screw thread of second screw rod is turned around to the opposite direction, the installation section of thick bamboo internal fixation has the fixing base, first screw rod threaded connection in the fixing base, lift seat threaded connection in the second screw rod.

Through adopting above-mentioned technical scheme, operating personnel drives first screw rod and rotates, and first screw rod is along vertical lift, and first screw rod rotates and synchronous lift with the second screw rod, and second screw rod drive lift seat goes up and down, and first screw rod is the same for the direction that the installation section of thick bamboo goes up and down with the direction that the lift seat goes up and down for the second screw rod to make the speed that the lift seat goes up and down very fast, improved the efficiency of drilling.

Optionally, the number of the driving screws is two, the drill rod is located between the two driving screws, and the lifting seat is respectively in threaded connection with the two second screws.

Through adopting above-mentioned technical scheme, two drive screw have improved the stability when lift seat goes up and down.

Optionally, a limiting plate is fixedly connected to the bottom end of the second screw, the diameter of the limiting plate is larger than that of the second screw, and the limiting plate is located below the lifting seat.

Through adopting above-mentioned technical scheme, the limiting plate has reduced the possibility that the lift seat breaks away from the second screw rod.

Optionally, a driving assembly corresponding to the driving screws one to one is arranged in the installation cylinder, the driving assembly comprises a lifting rod and a driving rod, the driving rod is coaxial with the lifting rod and is vertically arranged, the driving rod is rotatably connected into the installation cylinder, a driving groove is formed in the bottom end face of the driving rod along the axial direction of the driving rod, the lifting rod penetrates through the driving groove in a sliding mode, the lifting rod and the cross section of the driving groove are polygonal, and the lifting rod is coaxially fixed to the top end of the first screw.

Through adopting above-mentioned technical scheme, the operator orders about the actuating lever and rotates, and the actuating lever drives the lifter and rotates, and the lifter drives first screw rod and rotates, and vertical lift is followed to first screw rod, and first screw rod drives the lifter lift, and the lifter slides in the drive inslot. Because the position of actuating lever is fixed, through the linkage cooperation of actuating lever and lifter, reached the effect that is convenient for drive first screw rod and rotates and go up and down.

Optionally, the cross sections of the lifting rod and the driving groove are both regular hexagons.

Through adopting above-mentioned technical scheme, regular hexagon's setting has reached the actuating lever and has driven lifter pivoted effect, stability when having improved actuating lever and lifter linkage.

Optionally, a driving gear is rotatably connected to the mounting cylinder, driven gears are coaxially fixed to the driving rod, the driving gear is located between the two driven gears, the driving gear is meshed with the two driven gears respectively, and the diameter of the driving gear is smaller than that of the driven gears.

Through adopting above-mentioned technical scheme, operator drive driving gear rotates, and the driving gear drives two driven gear rotations, and driven gear drives the actuating lever and rotates. The diameter of the driving gear is smaller than that of the driven gear, so that the effects of speed reduction and torque increase are achieved, and labor saving is facilitated for operators. Simultaneously, driving gear and two driven gear mutually support, are convenient for drive two actuating levers synchronous rotation to make two drive screw synchronous rotations, stability when improving lift seat and drilling rod and go up and down.

Optionally, the lifting seat is fixedly connected with a connecting block, the installation cylinder is internally fixedly connected with a guide rod, the guide rod is vertically arranged, and the guide rod is slidably sleeved with the connecting block.

Through adopting above-mentioned technical scheme, guide bar and connecting block sliding fit play the effect of direction to the lift of lift seat to stability when lift seat goes up and down has been improved.

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

1. the driving screw and the lifting seat are matched with each other, so that the drill rod is stable when lifted, and the stability of the drilling process is improved;

2. the driving screw comprises a first screw and a second screw, and the screw thread turning directions of the first screw and the second screw are opposite, so that the lifting direction of the first screw relative to the installation cylinder is the same as the lifting direction of the lifting seat relative to the second screw, the lifting speed of the lifting seat is higher, and the drilling efficiency is improved;

3. the driving assembly comprises a lifting rod and a driving rod, and the effect of conveniently driving the first screw rod to rotate and lift is achieved.

Drawings

Fig. 1 is a schematic structural view of a measurement device for geotechnical engineering investigation according to an embodiment of the present application.

Fig. 2 is a schematic view of the internal structure of the mounting cylinder according to the embodiment of the present application.

Fig. 3 is a schematic structural diagram of a driving gear, a driven gear and a driving assembly according to an embodiment of the present application.

Description of reference numerals:

1. mounting the cylinder; 11. a top plate; 12. a base plate; 121. a hole of abdication; 13. a support leg; 14. a handle; 15. a guide bar; 16. a fixed seat; 17. positioning a plate; 18. a rotating shaft; 2. a drilling assembly; 21. a drill stem; 22. a lifting seat; 23. a motor; 24. connecting blocks; 3. a drive screw; 31. a first screw; 32. a second screw; 33. a limiting plate; 4. a drive assembly; 41. a lifting rod; 42. a drive rod; 43. a drive slot; 5. a driving gear; 6. a driven gear; 7. a handwheel.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses survey device is used in geotechnical engineering reconnaissance.

Referring to fig. 1 and 2, the survey device for geotechnical engineering investigation includes an installation cylinder 1, and a drilling component 2 and a driving screw 3 for driving the drilling component 2 to lift are connected to the installation cylinder 1 along vertical sliding.

During the ground reconnaissance, the staff places installation section of thick bamboo 1 subaerial, then orders about drive screw 3 and rotates, and drive screw 3 drives drilling subassembly 2 and descends, and drilling subassembly 2 drills to the earth's surface. The driving screw rod 3 drives the drilling assembly 2 to stably lift, and stability in the drilling process is improved.

After the drilling is finished, the working personnel take out rock core, soil and water samples from the drilling and send the samples to a laboratory for detection.

Referring to fig. 1, the installation cylinder 1 is a cylinder, and the axis of the installation cylinder 1 is vertically arranged. The inside of installation section of thick bamboo 1 is the cavity form, and the top fixedly connected with roof 11 of installation section of thick bamboo 1, the bottom fixedly connected with bottom plate 12 of installation section of thick bamboo 1. To facilitate the placement of the mounting cartridge 1, four legs 13 are fixedly attached to the lower surface of the base plate 12. In addition, two handles 14 are fixedly connected to the outer side of the installation cylinder 1, and the two handles 14 are symmetrically arranged relative to the axis of the installation cylinder 1, so that a worker can hold the installation cylinder 1 by hands.

Referring to fig. 2, the drilling assembly 2 includes a drill rod 21, a lifting seat 22 and a motor 23, the drill rod 21 and the installation cylinder 1 are coaxially arranged and located in the installation cylinder 1, a yielding hole 121 is vertically formed in the bottom plate 12, and the drill rod 21 penetrates through the yielding hole 121 in a sliding mode. The lifting seat 22 is arranged in the installation cylinder 1 in a sliding mode along the vertical direction, the lifting seat 22 is located at the top end of the drill rod 21, and the drill rod 21 is connected to the lifting seat 22 in a rotating mode. The motor 23 is fixed on the upper surface of the lifting seat 22 through bolts, and an output shaft of the motor 23 is coaxially fixed with the drill rod 21.

In the process of geotechnical investigation, the lifting seat 22 is driven to lift through the driving screw rod 3, the lifting seat 22 drives the motor 23 and the drill rod 21 to lift, the motor 23 drives the drill rod 21 to rotate, and the drill rod 21 drills the earth surface.

Referring to fig. 2, two guide rods 15 are fixedly connected to the bottom plate 12, the guide rods 15 are vertically arranged and located in the installation cylinder 1, and the drill rod 21 is located between the two guide rods 15. The two sides of the lifting seat 22 are respectively and fixedly connected with connecting blocks 24, the connecting blocks 24 are arranged in one-to-one correspondence with the guide rods 15, and the connecting blocks 24 are slidably sleeved on the guide rods 15. The guide rod 15 is in sliding fit with the connecting block 24, and has a guiding effect on the lifting seat 22, so that the stability of the lifting seat 22 during lifting is improved.

Referring to fig. 2, two drive screws 3 are provided, and the drilling assembly 2 is located between the two sets of drive screws 3. The driving screw 3 comprises a first screw 31 and a second screw 32, the first screw 31 and the first screw 31 are coaxially fixed and are both vertically arranged, the first screw 31 is located at the top end of the second screw 32, and the thread turning directions of the first screw 31 and the second screw 32 are opposite. The fixing base 16 that is connected with and first screw rod 31 one-to-one in the installation section of thick bamboo 1 fixedly, first screw rod 31 threaded connection in fixing base 16, lift seat 22 threaded connection in two second screw rods 32. The mounting barrel 1 is internally connected with driving components 4 which are in one-to-one correspondence with the driving screws 3, and the driving components 4 are used for driving the first screws 31 to rotate.

An operator drives the first screw 31 to rotate by utilizing the driving assembly 4, the first screw 31 vertically ascends and descends, the first screw 31 and the second screw 32 synchronously rotate and ascend and descend, the second screw 32 drives the lifting seat 22 to ascend and descend, and the direction of the first screw 31 ascending and descending relative to the installation cylinder 1 is the same as the direction of the lifting seat 22 ascending and descending relative to the second screw 32, so that the lifting seat 22 ascends and descends at a higher speed, and the drilling efficiency is improved.

Referring to fig. 2, a limiting plate 33 is fixedly connected to a bottom end of the second screw rod 32, and the limiting plate 33 is located below the lifting seat 22. The stopper plate 33 reduces the possibility that the elevating base 22 is disengaged from the second screw 32.

Referring to fig. 2 and 3, the driving assembly 4 includes a lifting rod 41 and a driving rod 42, the lifting rod 41 and the driving rod 42 are coaxial and are vertically arranged, the top end of the driving rod 42 is rotatably connected to the top plate 11 through a bearing, a driving groove 43 is axially arranged on the bottom end surface of the driving rod 42 along the self-axial direction, the lifting rod 41 is slidably arranged in the driving groove 43 in a penetrating manner, and the cross sections of the lifting rod 41 and the driving groove 43 are regular hexagons. The lifting rod 41 is coaxially fixed to the tip of the first screw 31.

An operator drives the driving rod 42 to rotate, the driving rod 42 drives the lifting rod 41 to rotate, the lifting rod 41 drives the first screw 31 to rotate, the first screw 31 vertically ascends and descends, the first screw 31 drives the lifting rod 41 to ascend and descend, and the lifting rod 41 slides in the driving groove 43.

Because the position of the driving rod 42 is fixed, the driving rod 42 is in linkage fit with the lifting rod 41, so that the effect of conveniently driving the first screw rod 31 to rotate and lift is achieved.

Referring to fig. 3, in order to improve the stability of the driving rod 42 during rotation, a positioning plate 17 is fixedly connected in the mounting tube 1, and the positioning plate 17 is located at the bottom end of the driving rod 42. Both driving rods 42 are rotatably connected to the positioning plate 17 through bearings, and the positioning plate 17 provides positioning support for the two driving rods 42.

Referring to fig. 2 and 3, in order to save labor when an operator rotates the driving rod 42, the top plate 11 is rotatably connected with a rotating shaft 18 through a bearing, a driving gear 5 is coaxially fixed on the rotating shaft 18, the driving gear 5 is located in the installation cylinder 1, a driven gear 6 is coaxially fixed on the driving rod 42, the driving gear 5 is located between the two driven gears 6, and the driving gear 5 is respectively meshed with the two driven gears 6. The driving gear 5 has a diameter smaller than that of the driven gear 6. The top end of the rotating shaft 18 is fixedly connected with a hand wheel 7, and the hand wheel 7 is positioned on the outer side of the mounting cylinder 1.

An operator rotates the hand wheel 7, the hand wheel 7 drives the rotating shaft 18 to rotate, the rotating shaft 18 drives the driving gear 5 to rotate, the driving gear 5 drives the two driven gears 6 to rotate, and the driven gears 6 drive the driving rod 42 to rotate. The diameter of the driving gear 5 is smaller than that of the driven gear 6, so that the effects of speed reduction and torque increase are achieved, and labor saving is facilitated for an operator.

In addition, driving gear 5 and two driven gear 6 mutually support, have reached and have ordered about two actuating lever 42 synchronous pivoted effects to reach two drive screw 3 synchronous pivoted effects, and then improved the stability when drilling subassembly 2 goes up and down.

The embodiment of the application provides a determination device for geotechnical engineering investigation's implementation principle does: an operator rotates the hand wheel 7, the hand wheel 7 drives the rotating shaft 18 to rotate, the rotating shaft 18 drives the driving gear 5 to rotate, the driving gear 5 drives the two driven gears 6 to rotate, and the driven gears 6 drive the driving rod 42 to rotate. The driving rod 42 drives the lifting rod 41 to rotate, the lifting rod 41 drives the first screw 31 to rotate, the first screw 31 vertically ascends and descends, the first screw 31 drives the lifting rod 41 to ascend and descend, and the lifting rod 41 slides in the driving groove 43. The lifting rod 41 drives the first screw 31 to rotate, the first screw 31 vertically lifts, the first screw 31 and the second screw 32 synchronously rotate and synchronously lift, and the second screw 32 drives the lifting seat 22 to lift.

The lifting seat 22 drives the motor 23 and the drill rod 21 to lift, the motor 23 drives the drill rod 21 to rotate, and the drill rod 21 drills the ground surface.

Since the lifting direction of the first screw 31 relative to the mounting tube 1 is the same as the lifting direction of the lifting base 22 relative to the second screw 32, the lifting speed of the lifting base 22 is faster. Because the driving gear 5 and the driven gear 6 are matched with each other to have the effects of reducing speed and increasing torque, and the first screw 31 and the second screw 32 are matched with each other to make up the defect of reducing speed, the descending speed of the drill rod 21 is increased while the labor of an operator is saved, and the drilling efficiency is further improved.

The driving assembly 4 and the driving screw 3 are mutually matched, so that the drill rod 21 is stably lifted, and the stability of the drilling process is improved.

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 survey device is used in geotechnical engineering reconnaissance which characterized in that: including an installation section of thick bamboo (1), be connected with lift seat (22) along vertical sliding in the installation section of thick bamboo (1), it is connected with drilling rod (21) to rotate on lift seat (22), it is used for the drive to be connected with on lift seat (22) drilling rod (21) pivoted motor (23), drilling rod (21) are vertical setting, the bottom of an installation section of thick bamboo (1) is provided with the confession hole of stepping down (121) that drilling rod (21) were worn to establish, installation section of thick bamboo (1) internal rotation is provided with driving screw (3), driving screw (3) are vertical setting, lift seat (22) threaded connection in driving screw (3).

2. The measurement apparatus for geotechnical engineering investigation of claim 1, wherein: drive screw (3) include first screw rod (31), second screw rod (32), first screw rod (31) with first screw rod (31) all are vertical setting, first screw rod (31) coaxial fixation in the top of second screw rod (32), first screw rod (31) with the screw thread of second screw rod (32) is revolved to opposite, installation section of thick bamboo (1) internal fixation has fixing base (16), first screw rod (31) threaded connection in fixing base (16), lift seat (22) threaded connection in second screw rod (32).

3. The measurement apparatus for geotechnical engineering investigation of claim 2, wherein: the two driving screws (3) are arranged, the drill rod (21) is located between the two driving screws (3), and the lifting seat (22) is in threaded connection with the two second screws (32) respectively.

4. The measurement apparatus for geotechnical engineering investigation of claim 2, wherein: the bottom end of the second screw rod (32) is fixedly connected with a limiting plate (33), the diameter of the limiting plate (33) is larger than that of the second screw rod (32), and the limiting plate (33) is located below the lifting seat (22).

5. The measurement apparatus for geotechnical engineering investigation according to claim 3, wherein: be provided with in installation section of thick bamboo (1) with drive assembly (4) of drive screw (3) one-to-one, drive assembly (4) include lifter (41), actuating lever (42) with lifter (41) are coaxial and all be vertical setting, actuating lever (42) rotate to be connected in installation section of thick bamboo (1), the bottom face of actuating lever (42) is opened along the axial of self has drive groove (43), lifter (41) slide to wear to locate in drive groove (43), lifter (41) with the cross section in drive groove (43) is the polygon, lifter (41) coaxial fixation in the top of first screw rod (31).

6. The measurement apparatus for geotechnical engineering investigation of claim 5, wherein: the cross sections of the lifting rod (41) and the driving groove (43) are regular hexagons.

7. The measurement apparatus for geotechnical engineering investigation of claim 5, wherein: the installation cylinder (1) is connected with a driving gear (5) in a rotating mode, driven gears (6) are coaxially fixed on the driving rod (42), the driving gear (5) is located between the two driven gears (6), the driving gear (5) is meshed with the two driven gears (6) respectively, and the diameter of the driving gear (5) is smaller than that of the driven gears (6).

8. The measurement apparatus for geotechnical engineering investigation of claim 1, wherein: fixedly connected with connecting block (24) on lift seat (22), fixedly connected with guide bar (15) in installation section of thick bamboo (1), guide bar (15) are vertical setting, connecting block (24) slip cap is established on guide bar (15).