CN219975897U

CN219975897U - Probe probe rod lifting equipment for static cone penetration test

Info

Publication number: CN219975897U
Application number: CN202320982465.6U
Authority: CN
Inventors: 李益育; 康荣涛; 叶安源; 雷秀丽
Original assignee: Fuzhou Architectural Design Institute Co ltd
Current assignee: Fuzhou Architectural Design Institute Co ltd
Priority date: 2023-04-26
Filing date: 2023-04-26
Publication date: 2023-11-07
Anticipated expiration: 2033-04-26

Abstract

The utility model relates to the technical field of rock and soil exploration, solves the problem of inconvenient detection operation of a static cone penetration tester on a hard soil layer, and discloses probe lifting equipment for a static cone penetration test, which comprises a drilling machine, a cone penetration tester and a connecting device; the drilling machine comprises a frame, a drill rod, a lifting mechanism arranged on the frame and used for driving the drill rod to move vertically and a moving mechanism used for driving the drill rod to move horizontally, and a drill bit is detachably connected to the bottom end of the drill rod; the feeler probe comprises a host, a connecting seat and a probe rod, wherein the connecting seat is used for detachably connecting the frame and the host, and the bottom end of the probe rod is connected with a probe; the connecting device is used for detachably connecting the drill rod and the probe rod. After drilling the hard soil layer by the drill rod and the drill bit, the probe rod and the probe are directly installed, the drill body and the original static cone penetration tester body with the lifting mechanism do not need to be moved, the probe rod and the probe are lifted by the lifting device on the drill, the operation is convenient and fast, and the working efficiency is improved.

Description

Probe probe rod lifting equipment for static cone penetration test

Technical Field

The utility model relates to the technical field of rock and soil exploration, in particular to probe rod lifting equipment for static sounding test.

Background

Static penetration test is to uniformly press a probe into soil with static pressure, measure penetration resistance, divide soil layer according to the resistance and determine engineering characteristics of soil. The static cone penetration test is carried out by adopting a static cone penetration tester, wherein the static cone penetration tester comprises a cone penetration tester host, a probe rod connected with the probe and a chain-type transmission lifting mechanism connected with the probe rod, and the lifting mechanism penetrates the probe into the soil layer for detection in a hand-shaking mode.

And some silt layers to be detected possibly have hard soil layers and gravel soil layers above, and because the penetration capacity of a probe of a static cone penetration test is limited, the hard soil layers on the surface are required to be drilled by means of a geological exploration drilling machine, then a drill bit is pulled out, the geological exploration drilling machine is moved away from the drilling position, and then the static cone penetration tester is anchored at the drilling position for test. The existing drilling equipment and static cone penetration tester are heavy, so that the moving is troublesome, and the efficiency of the whole test is reduced.

Disclosure of Invention

In order to overcome the defect that a static cone penetration tester is inconvenient to detect and operate on a hard soil layer, the utility model provides probe rod lifting equipment for a static cone penetration test.

The utility model provides probe rod lifting equipment for static sounding test, which adopts the following technical scheme:

the probe rod lifting equipment for the static sounding test comprises a drilling machine, a sounding instrument and a connecting device; the drilling machine comprises a frame, a drill rod, a lifting mechanism and a moving mechanism, wherein the lifting mechanism and the moving mechanism are arranged on the frame, the bottom end of the drill rod is detachably connected with a drill bit, the lifting mechanism is used for driving the drill rod to move vertically, and the moving mechanism is used for driving the drill rod to move horizontally; the feeler gauge comprises a host, a connecting seat and a probe rod, wherein the connecting seat is used for detachably connecting the frame and the host, and the bottom end of the probe rod is connected with a probe; the connecting device comprises a first connecting part detachably connected with the drill rod, a second connecting part detachably connected with the probe rod and a third connecting part used for connecting the first connecting part and the second connecting part.

By adopting the technical scheme, the drilling machine descends the drill rod through the lifting mechanism to enable the drill bit to penetrate through the hard soil layer, and then the drill rod is lifted; then lifting the drill rod, detaching the drill bit, and moving the drill rod to a position deviating from the drilling hole through a moving mechanism; then the connecting seat is arranged on the frame, the main machine is arranged on the connecting seat, the probe of the probe rod penetrates through the drill hole to the detection soil layer, and finally the drill rod is fixedly connected with the probe rod through the connecting device; so that the lifting mechanism directly drives the probe rod to move downwards to perform the penetration test. The static cone penetration tester does not need to move the drilling machine body and the original static cone penetration tester body with the lifting mechanism, only needs to move the host machine and the probe of the probe rod, is more convenient and quick to operate, and improves the efficiency of test work.

Optionally, the connection seat is connected with the frame through a bolt.

Through adopting above-mentioned technical scheme, the connection seat specifically realizes dismantling through bolt and frame to be connected, connects stably and convenient operation.

Optionally, the bottom surface of host computer is provided with a plurality of spliced poles, the surface of connecting seat corresponds the position of spliced pole has seted up the confession the spliced pole cooperation grafting the connecting hole.

Through adopting above-mentioned technical scheme, the cooperation bayonet joint of spliced pole and connecting hole can be with host computer location, and realizes the quick assembly disassembly between host computer and the spliced pole, has further improved work efficiency.

Optionally, the top surface of first connecting portion has seted up the confession the tip cooperation grafting of drilling rod slot, the screw hole has been seted up to the side of first connecting portion, the screw hole is worn to be equipped with the bolt and the tip of bolt support tightly in the surface of drilling rod.

Through adopting above-mentioned technical scheme, with connecting device being located the lower extreme of drilling rod, upwards remove connecting device after the tip of slot alignment drilling rod, screw in bolt supports tightly in the drilling rod after the diapire of drilling rod terminal surface butt in the slot again to accomplish connecting device and the connection of drilling rod, convenient operation is swift.

Optionally, the slot wall of the slot is provided with an anti-slip element capable of increasing the friction force between the first connection portion and the drill rod.

Through adopting above-mentioned technical scheme, the frictional force between first connecting portion and the drilling rod can be increased to the antiskid, makes the connection of drilling rod and connecting device inseparabler, has improved connection structure's stability.

Optionally, the second connecting portion includes articulated first snap ring and second snap ring, first snap ring with the second snap ring is close to each other and the cooperation cup joint in on the probe rod, first snap ring with the second snap ring passes through bolt fixed connection.

Through adopting above-mentioned technical scheme, connecting device installs on the drilling rod through first connecting portion after, can directly hug on the probe rod through articulated first snap ring and second snap ring, rethread bolt locking, convenient operation makes the connection of probe rod and connecting device inseparable.

Optionally, the second connecting part comprises an annular clamp with an opening, the probe rod is sleeved in the annular clamp in a matched manner, a pull rod is penetrated and connected at the opening of the annular clamp, one end of the pull rod is connected with a locking nut in a threaded manner, and the other end of the pull rod is hinged with a spanner; one end of the spanner, which is hinged with the pull rod, is provided with a cam, and the rotation axis of the spanner is offset from the axis of the cam.

Through adopting above-mentioned technical scheme, second connecting portion still can set up to the ring clamp, wears to establish in the ring clamp from bottom to top on the top of probe rod, then contracts the opening of ring clamp through eccentric pivoted spanner, and then makes ring clamp and probe rod zonulae occludens.

Optionally, the third connecting portion is disposed obliquely upward from the first connecting portion toward the second connecting portion.

Through adopting above-mentioned technical scheme, can drive the probe rod that is connected with second connecting portion when the drilling rod pushes down first connecting portion and move down, the slope of third connecting portion upwards sets up can decompose pressure, the possibility of jam when reducing the probe rod and remove, can also reduce the possibility of third connecting portion rupture.

In summary, the present utility model includes at least one of the following beneficial effects:

1. the drill rod and the probe rod are detachably connected through the connecting device, the main machine of the sounding instrument is detachably connected with the rack of the drilling machine through the connecting seat, the probe rod and the probe are directly installed after the drill rod and the drill bit drill the hard soil layer, the main machine and the probe rod probe are not required to be moved, the probe rod and the probe are lifted through the lifting device on the drilling machine, the operation is more convenient and quick, and the efficiency of test work is improved;

2. the first connecting part is matched and connected with the drill rod through the slot and locked by the bolt, and the second connecting part is matched and connected with the probe rod through the first clamping ring and the second clamping ring or clamped and connected with the probe rod through the annular clamp, so that the operation is convenient and the structure is stable;

3. the third connecting part is obliquely upwards arranged from the first connecting part to the second connecting part, so that the pressure can be decomposed, the possibility of blocking when the probe rod moves is reduced, and in addition, the possibility of breaking the third connecting part can be reduced;

4. when the degree of depth that detects the soil horizon is great, need use the probe rod of a plurality of splices in order to prolong the detection degree of depth of probe, press from both sides tightly on the probe rod through first snap ring and second snap ring cooperation, can be convenient for dismouting between second connecting portion and the probe rod to conveniently prolong the probe rod, improved suitability and the convenience of operation.

Drawings

FIG. 1 is a schematic diagram of the structure of a probe rod lifting device for static cone penetration test in example 1 of the present utility model when no feeler is installed;

fig. 2 is a schematic structural diagram of a probe rod lifting device for static cone penetration test in embodiment 1 of the present utility model;

FIG. 3 is a cross-sectional view of the sonde and frame mount of embodiment 1 of the present utility model;

FIG. 4 is a schematic view showing the structure of the installation of the connecting device in embodiment 1 of the present utility model;

FIG. 5 is a sectional view showing the installation of the connecting device in embodiment 1 of the present utility model;

fig. 6 is a schematic view showing the structure of the attachment device in embodiment 2 of the present utility model.

Reference numerals illustrate: 1. a drilling machine; 11. a frame; 111. a bottom frame; 112. a cross frame; 113. a limit part; 114. a horizontal section; 115. a vertical section; 12. a drill rod; 13. a drill bit; 14. a lifting mechanism; 15. a moving mechanism; 16. a connecting piece; 2. a feeler; 21. a host; 211. a connecting column; 212. a jack; 22. a connecting seat; 221. a through hole; 222. a connection hole; 223. a limit groove; 23. a probe rod; 24. a probe; 3. a connecting device; 4. a first connection portion; 41. a slot; 42. a threaded hole; 43. an anti-slip member; 5. a second connecting portion; 51. a first snap ring; 52. a second snap ring; 53. a ring clamp; 531. a connecting lug; 54. a pull rod; 55. a lock nut; 56. a wrench; 561. an arc section; 562. a cam; 57. a pin shaft; 58. an elastic pad; 6. and a third connecting part.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-6.

Example 1:

referring to fig. 1 and 2, the embodiment of the utility model discloses probe rod lifting equipment for static sounding test, which comprises a drilling machine 1, a sounding instrument 2 and a connecting device 3; the drilling machine 1 comprises a frame 11, a drill rod 12, a lifting mechanism 14 arranged on the frame 11 and used for driving the drill rod 12 to move vertically, and a moving mechanism 15 used for driving the drill rod 12 to move horizontally; the feeler gauge 2 comprises a host 21, a connecting seat 22 and a probe rod 23, wherein the connecting seat 22 is used for detachably connecting the frame 11 and the host 21, and the bottom end of the probe rod 23 is connected with a probe 24; the connection device 3 is used for detachably connecting the drill rod 12 and the probe rod 23.

Referring to fig. 1, in this embodiment, the lifting mechanism 14 realizes lifting of the drill rod 12 by using a rope, the frame 11 includes a bottom frame 111, the moving mechanism 15 is slidably connected to the bottom frame 111 along the length direction of the bottom frame 111, and the specific structures of the lifting mechanism 14 and the moving mechanism 15 are in the prior art, and various embodiments exist, so that details are not repeated. The top of the drill bit 13 is sleeved on the bottom of the drill rod 12 and is detachably connected through internal threads and external threads.

After the drilling machine 1 finishes drilling the hard soil layer, the drill rod 12 is lifted by the lifting mechanism 14, the drill rod 12 is moved to a designated position in a direction away from the front end of the drilling machine 1 by the moving mechanism 15, the drill bit 13 is detached, and then the sounding instrument 2 is installed for static sounding test.

Referring to fig. 3, in the present embodiment, the connection base 22 is detachably connected to the frame 11 by bolts. Specifically, the frame 11 may further include two cross frames 112 disposed on the bottom frame 111 in parallel along a length direction, and the connection base 22 includes a horizontal section 114 and vertical sections 115 connected to two ends of the horizontal section 114. The connecting seat 22 is clamped between the two cross frames 112, wherein the bottom surface of the horizontal segment 114 is abutted against the top surface of the cross frame 112, the two opposite side surfaces of the vertical segment 115 are respectively abutted against the two opposite side surfaces of the two cross frames 112, only a first slot hole is formed in the surface of one vertical segment 115, a second slot hole is formed in the position, corresponding to the first slot hole, of the cross frame 112, and the connecting seat 22 is fixed on the frame 11 by tightening a nut after penetrating the first slot hole and the second slot hole through a bolt. Further, in order to make the connection between the connection base 22 and the frame 11 more stable, a limiting bar is disposed on the other transverse frame 112 opposite to the transverse frame 112 with the second notch along the length direction, the limiting bar is disposed on one surface of the transverse frame 112 abutting against the vertical section 115, the vertical section 115 is provided with a limiting groove 223 cooperatively connected with the limiting bar, and the connection base 22 can be slidably mounted on the transverse frame 112 along the horizontal direction from the end of the transverse frame 112. In other embodiments, a spring-driven connection block may be disposed in the vertical section 115, and a connection slot for plugging the connection block is formed in the horizontal direction on the transverse frame 112, so that the connection seat 22 and the frame 11 can be quickly assembled and disassembled by plugging the connection block in the connection slot.

Referring to fig. 3, after the connection base 22 is mounted on the frame 11, the host 21 is mounted on the connection base 22. A plurality of connecting columns 211 are arranged on the bottom surface of the host 21, and connecting holes 222 for the connecting columns 211 to be matched and spliced are formed in the surface of the connecting seat 22 at positions corresponding to the connecting columns 211; the mating engagement of the connector post 211 and the connector aperture 222 enables positioning of the host 21. In other embodiments, the connection base 22 may be connected to the host 21 by a bolt or a spring latch.

Referring to fig. 2 and 3, a jack 212 through which the probe rod 23 passes is provided on the host 21, the host 21 controls the probe rod 23 to adjust the detection state of the probe 24, a through hole 221 through which the probe rod 23 passes is provided on the connection base 22 corresponding to the jack 212, and the bottom end of the probe rod 23 is detachably connected with the probe 24.

Referring to fig. 4 and 5, the connection device 3 includes a first connection part 4 detachably connected to the drill rod 12, a second connection part 5 detachably connected to the probe rod 23, and a third connection part 6 for connecting the first connection part 4 and the second connection part 5. The top surface of the first connecting part 4 is provided with a slot 41 for the matching and inserting of the end part of the drill rod 12, the side surface of the first connecting part 4 is provided with a threaded hole 42, the threaded hole 42 is provided with a bolt in a penetrating way, and the end part of the bolt is abutted against the surface of the drill rod 12. In order to make the connection between the drill rod 12 and the connection device 3 even tighter, the groove wall of the socket 41 is provided with a skid-proof piece 43 capable of increasing the friction between the first connection part 4 and the drill rod 12, the skid-proof piece 43 may be a rubber pad connected with the groove wall of the socket 41, and in other embodiments, the friction force to the drill rod 12 may be increased by providing skid-proof lines on the surface of the groove wall of the socket 41. The third connecting portion 6 is disposed obliquely upward from the first connecting portion 4 toward the second connecting portion 5, and the second connecting portion 5 is preferably disposed above the first connecting portion 4.

Referring to fig. 4, in the present embodiment, the second connection part 5 includes a first snap ring 51 and a second snap ring 52 which are hinged, the first snap ring 51 and the second snap ring 52 are close to each other and are coupled to the probe rod 23 in a fitting manner, and the first snap ring 51 and the second snap ring 52 are fixedly connected by bolts, thereby tightly connecting the probe rod 23 and the connection device 3.

The implementation principle of the embodiment 1 of the utility model is as follows:

when a static penetration test is required to be carried out on a soft soil layer below a hard soil layer, firstly, a drilling machine 1 is adopted to descend a drill rod 12 through a lifting mechanism 14 so that the drill bit 13 penetrates through the hard soil layer, and then the drill rod 12 is lifted; then lifting the drill rod 12, detaching the drill bit 13, and moving the drill rod 12 to a designated position through a moving mechanism 15; then the connecting seat 22 is arranged on the frame 11, the host 21 is arranged on the connecting seat 22, the probe rod 23 passes through the through hole 221 of the connecting seat 22 to enable the probe 24 to pass through the drill hole to the detection soil layer, and finally the bottom end of the drill rod 12 is inserted into the slot 41 of the first connecting part 4 and locked by a bolt, and the second connecting part 5 is sleeved on the top end of the probe rod 23; so that the lifting mechanism 14 directly drives the probe rod 23 to move downwards for the penetration test.

Example 2:

referring to fig. 6, an embodiment of the present utility model discloses a probe rod lifting device for static cone penetration test, which is different from embodiment 1 in that the second connecting portion 5 includes a ring-shaped clip 53 with an opening, and the probe rod 23 is sleeved in the ring-shaped clip 53 in a matching manner. The annular clamp 53 is provided with two parallel connecting lugs 531 in an extending mode at the opening, a pull rod 54 is connected to the two connecting lugs 531 in a penetrating mode, one end of the pull rod 54 is connected with a locking nut 55 in a threaded mode, and the other end of the pull rod 54 is hinged to a spanner 56; one end of the spanner 56 hinged with the pull rod 54 is set to be a cam 562, a cylinder or a sphere, in this embodiment, the cam 562 is provided with an eccentric slot, the slot is internally matched with and penetrated with the pin shaft 57, the rotation axis of the spanner 56 is offset from the axis of the cam 562, the spanner 56 is provided with an arc-shaped section 561 used for avoiding or being matched and abutted with the outer surface of the annular clamp 53, when the spanner 56 rotates to the arc-shaped section 561 to be close to the annular clamp 53, the axis of the cam 562 is far away from the annular clamp 53 compared with the rotation axis of the spanner 56, an elastic pad 58 is arranged between the cam 562 and the connecting lug 531, so that friction force and contact area between the cam 562 and the connecting lug 531 can be increased, and the connection between the annular clamp 53 and the probe rod 23 is more stable.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims

1. The utility model provides a static sounding is probe lifting device for test which characterized in that: comprises a drilling machine (1), a feeler gauge (2) and a connecting device (3); the drilling machine (1) comprises a frame (11), a drill rod (12), a lifting mechanism (14) and a moving mechanism (15), wherein the lifting mechanism (14) and the moving mechanism (15) are arranged on the frame (11), a drill bit (13) is detachably connected to the bottom end of the drill rod (12), the lifting mechanism (14) is used for driving the drill rod (12) to move vertically, and the moving mechanism (15) is used for driving the drill rod (12) to move horizontally; the feeler gauge (2) comprises a host (21), a connecting seat (22) and a probe rod (23), wherein the connecting seat (22) is used for detachably connecting the frame (11) and the host (21), and the bottom end of the probe rod (23) is connected with a probe (24); the connecting device (3) comprises a first connecting part (4) detachably connected with the drill rod (12), a second connecting part (5) detachably connected with the probe rod (23) and a third connecting part (6) used for connecting the first connecting part (4) and the second connecting part (5).

2. The probe rod lifting device for static cone penetration test of claim 1, wherein the probe rod lifting device comprises: the connecting seat (22) is connected with the frame (11) through bolts.

3. The probe rod lifting device for static cone penetration test of claim 1, wherein the probe rod lifting device comprises: the bottom surface of host computer (21) is provided with a plurality of spliced pole (211), the surface of connecting seat (22) corresponds spliced pole (211) position is seted up confession spliced pole (211) cooperation spliced pole's connecting hole (222).

4. The probe rod lifting device for static cone penetration test of claim 1, wherein the probe rod lifting device comprises: the top surface of first connecting portion (4) is offered and is supplied tip cooperation grafting slot (41) of drilling rod (12), screw hole (42) have been offered to the side of first connecting portion (4), screw hole (42) are worn to be equipped with the bolt and the tip of bolt support tightly in the surface of drilling rod (12).

5. The probe rod lifting device for static cone penetration test of claim 4, wherein the probe rod lifting device comprises: the slot wall of the slot (41) is provided with an anti-slip piece (43) which can increase the friction force between the first connecting part (4) and the drill rod (12).

6. The probe rod lifting device for static cone penetration test of claim 1, wherein the probe rod lifting device comprises: the second connecting portion (5) comprises a first clamping ring (51) and a second clamping ring (52) which are hinged, the first clamping ring (51) and the second clamping ring (52) are close to each other and are matched and sleeved on the probe rod (23), and the first clamping ring (51) and the second clamping ring (52) are fixedly connected through bolts.

7. The probe rod lifting device for static cone penetration test of claim 1, wherein the probe rod lifting device comprises: the second connecting part (5) comprises an annular clamp (53) with an opening, the annular clamp (53) is sleeved with the probe rod (23) in a matched manner, a pull rod (54) is arranged at the opening in a penetrating manner, one end of the pull rod (54) is connected with a locking nut (55) in a threaded manner, and the other end of the pull rod is hinged with a spanner (56); one end of the spanner (56) hinged with the pull rod (54) is provided with a cam (562), and the rotation axis of the spanner (56) is offset from the axis of the cam (562).

8. The probe rod lifting device for static cone penetration test of claim 1, wherein the probe rod lifting device comprises: the third connecting part (6) is obliquely upwards arranged from the first connecting part (4) to the second connecting part (5).