CN212621580U - Direct insertion type soil sampler - Google Patents

Abstract

The utility model discloses a formula soil sampler cut straightly, it includes the frame, is connected with the sample rack that can slide from top to bottom in the frame, be connected with high frequency hydraulic power head on the sample rack, be connected with the impact bar that stretches out downwards on high frequency hydraulic power head's the power output shaft, the lower extreme of impact bar is connected with the impact pad through quick-connect device, and the impact pad sub-unit connection has the impact bit. The quick connecting device comprises a connecting semi-cylinder body provided with a vertical strip-shaped opening, a semi-boss is arranged on the inner surface of the cylinder wall of the upper part of the connecting semi-cylinder body, a ring groove is formed in the impact rod, a lower ring platform is arranged on the lower part of the connecting semi-cylinder body, the impact pad and the lower ring platform are clamped to realize quick connection of the connecting semi-cylinder body and the impact pad, an upper locking ring capable of positioning the impact rod is connected to the connecting semi-cylinder body, and a lower locking ring capable of locking and positioning the impact pad is sleeved outside the connecting semi. The utility model has the advantages of can improve sample efficiency and effectively protect the bore bit.

Description

Direct insertion type soil sampler

Technical Field

The utility model relates to a formula soil sampling ware cut straightly.

Background

When we need to test or study a certain area or a certain piece of soil, we can not test the whole area or the whole piece of soil, so that a representative soil is sampled. Because the soil on the ground surface is easily interfered by the real environment, the soil property of the whole area cannot be represented, when sampling, the soil about 50-100cm underground is generally adopted for sampling, and a sampler with a drill bit is required for sampling the soil.

Traditional samplers include rotary samplers, which drill the process downhole at the drill bit, because at the rotation process, the rotating drill bit can destroy the soil, and thus the soil sample is slightly different from the undisturbed structure of the soil. Most of the existing direct pressure type samplers adopt a hydraulic tool to directly press down a drill rod, and then special tools are used to take out the drill rod and a drill bit, so that the labor efficiency is low, and the sampling cost is greatly increased.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to provide a formula soil sampler cut straightly, it can make the bore bit insert soil by the efficient and take a sample, has improved labor efficiency greatly to can realize strikeing the high-speed joint of bore bit and hydraulic power head, on the basis of effective protection bore bit, improve the operating efficiency greatly.

In order to solve the technical problem, the utility model provides a formula soil sampler cut straightly, including the frame, be connected with the sample rack that can slide from top to bottom in the frame, its structural feature is: the high-frequency hydraulic drill bit is characterized in that a high-frequency hydraulic power head is connected to the sampling frame, an impact rod extending downwards is connected to a power output shaft of the high-frequency hydraulic power head, the lower end of the impact rod is connected with an impact pad through a quick connecting device, and the lower portion of the impact pad is connected with an impact drill bit.

The quick connecting device comprises a connecting semi-barrel body provided with a vertical strip-shaped opening, wherein a semi-boss protruding inwards is arranged on the inner surface of the barrel wall of the upper part of the connecting semi-barrel body, a ring groove is formed in the impact rod, the impact rod is matched with the clamping of the semi-boss and the ring groove to realize quick connection with the connecting semi-barrel body, a lower ring table is arranged on the lower part of the connecting semi-barrel body, the impact pad is clamped with the lower ring table to realize quick connection between the connecting semi-barrel body and the impact pad, an upper locking ring capable of positioning the impact rod is connected onto the connecting semi-barrel body, and a lower locking ring capable of locking and positioning the impact pad is sleeved outside the connecting semi-barrel body.

The impact rod can be inserted from the vertical bar-shaped opening of the connecting half cylinder body, the half boss can be clamped into the groove of the ring, the upper locking ring is provided with an upper inner boss which can be attached to the impact rod and is positioned in the vertical bar-shaped opening, and the upper locking ring is provided with an upper ring edge which can be attached to the upper part of the connecting half cylinder body.

The lower ring bench is provided with a notch corresponding to the vertical strip-shaped opening, the inner wall inner diameter of the lower ring bench is smaller than the diameter of the inner wall of the connecting semi-cylinder, the upper part of the impact pad is provided with a clamping groove for the lower ring bench to extend into, the impact pad is inserted from the vertical strip-shaped opening so that the lower ring bench is clamped into the clamping groove, the lower locking ring is sleeved on the outer side of the connecting semi-cylinder and the impact pad, and the lower locking ring is screwed with a positioning bolt which can extend into the vertical strip-shaped opening and abuts against the impact pad.

The lower locking ring is provided with a lower inner boss which is inwards projected, positioned in the vertical bar-shaped opening and attached to the outer wall of the impact pad.

And the power output shaft of the high-frequency hydraulic power head is connected with the upper part of the impact rod through a chuck.

The drive chain frame that can slide from top to bottom is equipped with in the frame, the drive chain frame is equipped with the drive sprocket that can free rotation, and drive sprocket is double sprocket, still be equipped with in the frame and order about the power cylinder that drive chain frame slided from top to bottom, the sample frame passes through sliding connection structural connection in the frame, still be connected with in the frame and be located sample frame top and sample frame below last drive sprocket and underdrive sprocket respectively, drive chain is equipped with drive chain on drive sprocket, last drive sprocket and the underdrive sprocket, upwards extend again after the sprocket of double sprocket is walked around to the upper end of drive chain and walk around last drive sprocket, another sprocket downwardly extending who walks around double sprocket again after the underdrive sprocket, the sample frame is connected on the drive chain section between last drive sprocket and the underdrive sprocket, and the position is higher than the drive chain frame at the upper portion of frame and the upper end of drive chain is fixed, the lower end of the transmission chain is fixedly connected to the lower part of the rack and is lower than the driving chain frame.

The upper portion of frame is equipped with the adjustment support, and adjustment support sliding connection is connected in the frame, rotates in the frame to be connected with adjusting screw, and adjusting screw's lower extreme spiro union is on the adjustment support, go up drive sprocket and rotate and connect on the adjustment support.

After adopting above-mentioned structure, because be connected with high-frequency hydraulic power head on the sample frame, when needs direct compression formula sample, the impact rod is connected on high-frequency hydraulic power head's the power output shaft, through the upper and lower slip of sample frame, can make impact drill bit and bore and get the drill bit and carry out soil sampling, therefore improved sampling efficiency and sample accuracy greatly. The quick connection between the impact pad and the impact rod can be realized through the quick connection device, and the operation efficiency is greatly improved on the basis of effectively protecting the drill bit.

To sum up, the utility model has the advantages of can improve sampling efficiency and effectively protect the bore bit.

Drawings

The invention will be further described with reference to the accompanying drawings:

fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of the sampling frame in the embodiment of FIG. 1;

FIG. 3 is a schematic view of the structure of the impact rod and the impact pad of the embodiment of FIG. 1;

FIG. 4 is a schematic view of the right side view of FIG. 3;

FIG. 5 is a schematic structural view taken along line A-A in FIG. 3;

FIG. 6 is a schematic structural view taken along line B-B in FIG. 3;

FIG. 7 is a schematic structural view taken along line C-C in FIG. 3;

FIG. 8 is a schematic structural view taken along line D-D in FIG. 4;

FIG. 9 is a schematic view of the upper locking ring, lower locking ring and connecting half cylinder connection of the embodiment of FIG. 1;

FIG. 10 is a perspective view of FIG. 9;

FIG. 11 is a schematic view of the impact pad and the sampling rod of the embodiment of FIG. 1.

Detailed Description

The utility model provides a formula soil sampler cut straightly to the upper and lower position of this embodiment is defined to the upper and lower position in figure 1 for convenient description, and is not right the utility model discloses a specifically inject to, following connection and installation can be understood as the direct connection, also can be understood as indirect connection, and the meaning of indirect connection means can carry out the connection or the installation between two parts through the intermediate member. In addition, it should be noted that the rack shown in fig. 1 may have any structure, which is not limited to the structure in the drawing, and is used for supporting each component in the present invention, and the structure of each component for supporting can be regarded as a part of the rack.

Referring to fig. 1 and fig. 2, the direct insertion type soil sampler provided in this embodiment includes a frame 1, and a sampling frame 3 capable of sliding up and down is connected to the frame 1, in this embodiment, the sampling frame 3 is connected to the frame 1 through a sliding connection structure, the sliding connection structure may be a matching structure of a sliding block and a sliding rail in the prior art, and certainly, a matching structure of a guide rod and a sliding sleeve may also be adopted, and detailed descriptions thereof are omitted here. The high-frequency hydraulic power head 4 is connected to the sampling frame 3, the high-frequency hydraulic power head 4 can adopt a hydraulic electric hammer (also called as an oil hydraulic electric hammer) in the prior art, and the specific structure of the hydraulic electric hammer can adopt an electric hammer structure in the prior art, which is an existing product and the structure of which is not described in detail herein. Be connected with on the power output shaft of high frequency hydraulic power head 4 and dismantle and the impact rod 6 that stretches out downwards, in this embodiment, be connected through chuck and impact rod 6's upper portion on the 4 power output shaft of high frequency hydraulic power head, the chuck can adopt three-jaw chuck or other chucks among the prior art, and its purpose can also transmit power when guaranteeing the axiality, the lower extreme of impact rod 6 is connected with impact pad 7 through quick connecting device, and the impact pad sub-unit connection has impact bit 8. The hydraulic electric hammer is provided with hydraulic power by a hydraulic station connected to the frame or arranged on one side of the frame, a hydraulic control valve with a corresponding structure can be arranged on the basis of providing the power, a hydraulic power source can be provided for the hydraulic electric hammer through the hydraulic control valve, and the specific structure and the principle of the hydraulic control are the prior art. The impact bit may be a bit of the prior art, and the detailed structure thereof will not be described in detail herein.

Referring to fig. 1, be equipped with the drive chain frame 20 that can slide from top to bottom in the frame, drive chain frame 20 is last to be equipped with ability free rotation's drive sprocket 21, and drive sprocket is double sprocket, still be equipped with in the frame 1 and order about drive chain frame power cylinder 22 that slides from top to bottom, still be connected with the last drive sprocket 23 and the underdrive sprocket 24 that are located sample frame top and sample frame below respectively in the frame 1, drive chain 25 is equipped with on drive sprocket, last drive sprocket and the underdrive sprocket, upwards extend again after the sprocket of double sprocket is walked around to drive sprocket 23, walk around another sprocket downwardly extending of double sprocket again after the underdrive sprocket in the upper end of drive chain, sample frame 3 is connected on the drive chain section between last drive sprocket and the underdrive sprocket, and the upper portion and the position of drive chain are fixed at the frame and are higher than drive chain frame 20, the lower end of the transmission chain is fixedly connected with the lower part of the frame and is lower than the driving chain frame 20. The advantage of this kind of structure is that can be through the extension or the withdrawal of the piston rod of power cylinder 22, realize the upwards slip and the downward slip of sample frame 3, realized that the sample frame moves down and carries out soil sampling, sample frame upward movement and accomplish the sample, and transmission power is stable.

Referring to fig. 1, an adjusting bracket 26 is mounted on the upper portion of the frame 1, the adjusting bracket is slidably connected to the frame 1, an adjusting screw 27 is rotatably connected to the frame 1, the lower end of the adjusting screw is screwed to the adjusting bracket 26, the upper driving sprocket is rotatably connected to the adjusting bracket 26, and the position of the upper driving sprocket 23 can be adjusted by screwing the adjusting screw, so that the original height of the whole sampling frame can be adjusted and the tension of the driving chain can be realized.

Referring to fig. 3 to 10, the quick connection device includes a connecting half cylinder 12 having a vertical bar-shaped opening, the vertical bar-shaped opening is formed on a side wall of the connecting half cylinder and penetrates from top to bottom, a half boss 13 protruding inward is formed on an inner surface of a cylinder wall of an upper portion of the connecting half cylinder 12, that is, the half boss 13 is disposed along an inner wall of the connecting half cylinder 12 and is semicircular, a ring groove 61 is formed on the striking rod 6, the striking rod is quickly connected to the connecting half cylinder 12 by the snap fit of the half boss 13 and the ring groove 61, specifically, an arc degree of the vertical bar-shaped opening is smaller than a half of the entire arc and a distance between two walls of the vertical bar-shaped opening is larger than a diameter of the striking rod, the striking rod 6 can be inserted from the vertical bar-shaped opening of the connecting half cylinder and the half boss 13 can be snapped into the ring groove 61, an upper inner boss 161 which can be attached to the striking rod and is located in the vertical bar-shaped opening is formed on the upper, the upper locking ring is provided with an upper ring edge 162 which can be abutted against the upper part of the connecting semi-cylinder 12.

Referring to fig. 3 to 10, a lower ring platform 14 is disposed at the lower portion of the connecting semi-cylinder 12, in this embodiment, the lower ring platform 14 and the connecting semi-cylinder are integrally formed, and the lower ring platform is a non-annular platform which is arc-shaped, that is, a notch corresponding to the vertical bar-shaped opening is disposed on the lower ring platform 14, the impact pad 7 and the lower ring platform are clamped to realize quick connection between the connecting semi-cylinder and the impact pad, an upper locking ring 16 capable of positioning the impact rod is connected to the connecting semi-cylinder, and a lower locking ring 15 capable of locking and positioning the impact pad is sleeved outside the connecting semi-cylinder 12. The inner wall diameter of the lower ring platform 14 is smaller than the inner wall diameter of the connecting semi-cylinder 12, the upper portion of the impact pad 7 is provided with a clamping groove 71 for the lower ring platform to extend into, and the impact pad is inserted from the vertical bar-shaped opening to clamp the lower ring platform into the clamping groove, in the embodiment, the clamping groove 71 is two oppositely-arranged platform grooves formed by inward retraction of the outer wall of the impact pad 7, even if a milling machine or a boring machine is used for milling the outer wall of the impact pad to be flat, the clamping groove can also be an annular groove, the lower locking ring 15 is sleeved on the outer side of the connecting semi-cylinder and the impact pad, the lower locking ring 15 is screwed with a positioning bolt 17 which can extend into from the vertical bar-shaped opening and abut against the impact pad, and the lower locking ring 15 is provided with a lower inner boss 151 which protrudes inwards, is positioned in the vertical bar-shaped opening and abuts against the outer wall of the impact pad.

Referring to fig. 3 to 10, when the quick connection device is used for quick connection of the impact rod 6 and the impact pad 7, the lower locking ring 15 is firstly sleeved on the connecting half cylinder 12, the lower inner boss of the lower locking ring 15 corresponds to the vertical bar-shaped opening of the connecting half cylinder, the upper locking ring 16 is sleeved on the impact rod 6, the impact pad 7 is inserted into the connecting half cylinder 12 from the vertical bar-shaped opening, namely, is inserted from one side, at the moment, the lower locking ring 15 slides to the upper part of the connecting half cylinder along the outer wall of the connecting half cylinder, the lower ring table 14 is positioned in the clamping groove 71, the groove wall of the clamping groove is abutted against the upper surface and the lower surface of the lower ring table, after clamping, the lower locking ring 15 slides downwards, the inner wall of the lower inner boss is abutted against the outer wall of the impact pad 7, and the impact pad 7 is locked by the positioning bolt 17; then, the upper locking ring 16 slides upwards for a certain distance along the impact rod 6, so that the ring groove 61 of the impact rod 6 is exposed, the impact rod 6 is inserted from the vertical bar-shaped opening of the connecting half cylinder 12, the half boss 13 is clamped into the ring groove 61, then the upper locking ring 16 slides downwards until the upper ring edge 162 is abutted against the upper part of the connecting half cylinder 12, at the moment, the impact rod 6 is squeezed by the inner surface of the upper inner boss 161 and the inner wall of the connecting half cylinder together, and meanwhile, the upper and lower positions of the impact rod are fixed by clamping the residual ring groove 61 of the half boss 13. Through the connection process, the structure can ensure the quick connection of the impact rod and the impact pad and the coaxiality of the impact rod and the impact pad, and after the connection, the impact pad can be lifted and pulled, namely the impact bit can be easily lifted out of soil. Referring to fig. 11, which illustrates a partial structure of the impact pad, a straight compression rod 18 is connected to the bottom of the impact pad 7, a sampling rod 19 is installed in the straight compression rod 18, and the impact bit is installed at the bottom of the sampling rod, it can be seen that a spring is installed on the sampling rod 19, the top of the spring abuts against the impact pad 7, when hammer impact is performed, rigid collision between the impact pad 7 and the sampling rod can be avoided, and the bit is effectively protected.

The utility model discloses do not receive the restriction of above-mentioned embodiment, at this technical field personnel, based on the utility model discloses the equivalent change and the part replacement of last concrete structure are all in the protection scope of the utility model.

Claims (8)

1. The utility model provides a cut straightly formula soil sampler, includes frame (1), is connected with sample rack (3) that can slide from top to bottom in frame (1), characterized by: the high-frequency hydraulic power head is connected to the sampling frame (3), an impact rod (6) extending downwards is connected to a power output shaft of the high-frequency hydraulic power head (4), the lower end of the impact rod (6) is connected with an impact pad (7) through a quick connecting device, and the lower portion of the impact pad is connected with an impact drill bit (8).

2. An in-line soil sampler according to claim 1 wherein: the quick connecting device comprises a connecting semi-barrel body (12) provided with a vertical strip-shaped opening, wherein a semi-boss (13) protruding inwards is arranged on the inner surface of the barrel wall on the upper portion of the connecting semi-barrel body (12), a ring groove (61) is formed in the impact rod (6), the impact rod is matched with the clamping of the semi-barrel body (12) through the semi-boss (13) and the ring groove (61) to realize quick connection with the connecting semi-barrel body (12), a lower ring platform (14) is arranged on the lower portion of the connecting semi-barrel body (12), the impact pad (7) and the lower ring platform are clamped to realize quick connection of the connecting semi-barrel body and the impact pad, an upper locking ring (16) capable of positioning the impact rod is connected onto the connecting semi-barrel body, and a lower locking ring (15) capable of locking and positioning the impact pad is sleeved.

3. An in-line soil sampler according to claim 2 wherein: impact rod (6) can insert and half boss (13) can block in the ring recess (61) from the vertical bar form opening part of connecting half barrel, be equipped with on upper locking ring (16) and paste and lean on impact rod and be located upper inner boss (161) in vertical bar form opening, be equipped with on the upper locking ring and can take and lean on along (162) with the last ring on connecting half barrel (12) upper portion.

4. An in-line soil sampler according to claim 2 wherein: be equipped with the breach that corresponds the setting with vertical retort form opening on lower ring platform (14), the inner wall internal diameter of lower ring platform (14) is less than the inner wall diameter of connecting half barrel (12), the upper portion of strikeing pad (7) is equipped with clamping groove (71) that supplies lower ring platform to stretch into and strikes the pad and insert so that lower ring platform card to clamp the groove from vertical retort form opening part, lower locking ring (15) suit is in the outside of connecting half barrel and impact pad, and lower locking ring (15) go up the spiro union have can stretch into and lean on positioning bolt (17) on the impact pad from vertical retort form opening part.

5. An in-line soil sampler according to claim 4 wherein: the lower locking ring (15) is provided with a lower inner boss (151) which is inwardly protruded, positioned in the vertical bar-shaped opening and attached to the outer wall of the impact pad.

6. An in-line soil sampler according to any one of claims 1 to 5 wherein: and the power output shaft of the high-frequency hydraulic power head (4) is connected with the upper part of the impact rod (6) through a chuck.

7. An in-line soil sampler according to any one of claims 1 to 5 wherein: drive chain frame (20) that can slide from top to bottom is equipped with in the frame, drive chain frame (20) are equipped with can free rotation's drive sprocket (21), and drive sprocket is double sprocket, still be equipped with on frame (1) and order about drive chain frame power cylinder (22) that slide from top to bottom, sample frame (3) are connected on frame (1) through sliding connection structure, still be connected with last drive sprocket (23) and underdrive sprocket (24) that are located sample frame top and sample frame below respectively on frame (1), drive sprocket, last drive sprocket and underdrive sprocket drive chain (25), upward extend again after walking around double sprocket's a sprocket on the upper end of drive chain and walk around last drive sprocket (23), another sprocket downwardly extending who walks around double sprocket again after the underdrive sprocket, sample frame (3) are connected on the drive chain section between last drive sprocket and underdrive sprocket, the upper end of the transmission chain is fixed on the upper part of the rack and is higher than the driving chain rack (20), and the lower end of the transmission chain is fixedly connected on the lower part of the rack and is lower than the driving chain rack (20).

8. An in-line soil sampler according to claim 7 wherein: the upper portion of frame (1) is equipped with adjustment support (26), and adjustment support sliding connection is on frame (1), rotates on frame (1) and is connected with adjusting screw (27), and adjusting screw's lower extreme spiro union is on adjustment support (26), go up drive sprocket and rotate and connect on adjustment support (26).

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