CN207703512U - A kind of hydrogeology sampler - Google Patents

Abstract

The utility model, which is created, provides a kind of hydrogeological sampler, includes from top to bottom engine connected in sequence, drive disk, buffer, guider, sampling cup, core cutter；The buffer by being ramed on same axis, damping spring, connecting rod, supporting table, shell form.The buffer unit design that the utility model is created can be in geological sampling; effectively mitigate the sense of jolting when sampling; effectively avoid operating personnel's arm from directly impacting; to alleviate the burden of operating personnel's arm; arm Fatigue sense caused by long-play can be mitigated; it can also be effectively protected and mitigate the safety that operation is improved due to damage parts caused by collision.

Description

A hydrogeological sampling device

technical field

The invention belongs to the field of sampling auxiliary tools for underground geophysical exploration, and in particular relates to a hydrogeological sampling device.

Background technique

Hydrogeology, a branch of geology, refers to the various changes and movements of groundwater in nature. Hydrogeology is the science that studies groundwater. The application number is: CN201510483484.4 discloses a sampling device, including a base, a screw rod is arranged above the base, the screw rod is connected to the slider and the first motor, and the slider is connected to a baffle through a solid piece , the baffle is connected to the sampling device through a rotating shaft, the rotating shaft is connected to the second motor, and the controller is respectively connected to the first motor and the second motor. The sampling device saves time and effort in sampling work, is safe and reliable, and improves work efficiency; the sampling device is provided with a number of through holes through the baffle plate, which can expand the sampling range; There is a time delay between analysis and analysis. At the same time, the device can achieve no damage to samples, no reagents, and no pollution to the environment, ensuring stable and uniform quality of the final product. It has the advantages of fast, convenient, accurate, and non-invasive analysis. However, its shortcoming is that when the geology is drilled and sampled, it will produce a relatively large impact force, which will cause some damage to the operator's arm.

Contents of the invention

The problem to be solved by the invention is to provide a hydrogeological sampling device, which can effectively reduce the bumpy feeling during sampling, effectively prevent the operator's arm from being directly impacted, and can effectively protect and reduce the impact caused by the impact. The resulting parts are damaged and the safety of the operation is improved.

In order to solve the problems of the technologies described above, the technical solution adopted by the present invention is:

A hydrogeological sampling device, including a motor, a drive plate, a buffer, a guide, a sampling cup, and a sampling drill bit sequentially connected from top to bottom;

A buffer is fixed at the bottom of the drive plate; the buffer is composed of a bumped head, a shock absorbing spring, a connecting rod, a support platform, and a casing on the same axis, and the bumped head is fixed on the drive plate In the lower part, the impacted head is a conical structure with a narrow top and a wide bottom; the shell is a hollow cylindrical structure, and the bottom of the shell and the top of the guide adopt an interference fit;

The support platform is a cylindrical structure fixed on the top of the housing, the bottom of the impacted head and the upper part of the support platform are fixed with a cylindrical boss, and the upper and lower ends of the shock-absorbing spring are respectively set on the two sides. on the boss; the connecting rod is a cylindrical structure, its upper part is fixedly connected with the boss at the bottom of the impacted head, and its lower part passes through the boss of the supporting platform and the supporting platform and extends into the said supporting platform. In the housing, the length extending into the housing can be changed according to the compression of the shock absorbing spring.

Further, the motor is an irregular cuboid structure, the bottom of the motor is in interference fit with the top of the driving disc, and the driving disc is in a cylindrical structure.

Further, two handles are arranged symmetrically on the periphery of the drive disc, and the handles are welded to the outer surface of the drive disc. The handles are overall a U-shaped tube structure with a hard surface and a hollow interior.

Further, the guide is a hollow cylindrical structure.

Further, the bottom of the guide and the top of the sampling cup adopt an interference fit, and the sampling cup is a hollow cylindrical structure.

Further, the bottom of the sampling cup is fixed with a sampling drill through a threaded structure, and the sampling drill is a conical structure with a narrow top and a wide bottom.

The advantages and positive effects of the present invention are: the cushioning device of the present invention is designed so that it can effectively reduce the bumpy feeling during geological sampling, effectively prevent the operator's arm from being directly impacted, thereby relieving the operator's arm. It can reduce the fatigue of the arm caused by long-term operation, and can effectively protect and reduce the damage of parts caused by collision, so as to improve the safety of operation.

Description of drawings

Fig. 1 is the structural representation of this sampling device in the embodiment;

Fig. 2 is the schematic diagram of sampling device buffer in the embodiment;

Fig. 3 is a schematic diagram of the damping spring of the buffer in the embodiment.

In the figure: engine-1, handle-2, drive plate-3, buffer-4, impacted head-401, damping spring-402, connecting rod-403, support platform-404, shell-405, guider- 5. Sampling Cup-6, Sampling Drill-7.

Detailed ways

It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", The orientations or positional relationships indicated by "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationships shown in the drawings, and are only for the convenience of describing the present invention Creation and simplification of description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as limiting the invention. In addition, the terms "first", "second", etc. are used for descriptive purposes only, and should not be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, a feature defined as "first", "second", etc. may expressly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "plurality" means two or more.

In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be interpreted in a broad sense, for example, it can be a fixed connection or a flexible connection. Detachable connection, or integral connection; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention based on specific situations.

The invention will be described in detail below with reference to the accompanying drawings and examples.

Example

As shown in the accompanying drawings 1-3, the present embodiment provides a hydrogeological sampling device, including an engine 1, a drive plate 3, a buffer 4, a guide 5, a sampling cup 6, Sampling drill 7;

The engine 1 is an irregular cuboid structure, the overall height of the engine 1 is 22cm, the overall length of the engine 1 is 28cm, the bottom of the engine 1 and the top of the driving disc 3 adopt an interference fit, and the engine can be Drive plate 3 provides power, and described drive plate 3 is cylindrical structure, and described drive plate 3 overall height is 8.5cm, and diameter is 20cm;

Two handles 2 are symmetrically arranged on the periphery of the drive plate 3, and the handle 2 is welded to the outer surface of the drive plate 3. The handle 2 is a U-shaped tube structure with a hard surface and a hollow interior. The U-shaped The tube diameter is 2.5cm; the distance between the left and right ends of each handle is 24cm;

The bottom of the drive plate 3 is fixed with a buffer 4, the buffer 4 is a cylindrical structure as a whole, the maximum outer diameter of the buffer 4 is 4 cm, and the bottom of the buffer 4 is fixedly connected to the guide 5 , the guide 5 is a hollow cylindrical structure with an outer diameter of 5 cm;

The bottom of the guide 5 and the top of the sampling cup 6 adopt an interference fit, and the sampling cup 6 is also a hollow cylindrical structure. The height of the sampling cup 6 is 37cm, and the outer diameter is 7cm. The sampling cup 6 The bottom is provided with a sampling drill bit 7 through the thread structure, and the sampling drill bit 7 is a conical structure with a narrow top and a wide bottom;

The buffer 4 is composed of a bumped head 401 located on the same axis, a damping spring 402, a connecting rod 403, a support platform 404, and a housing 405. The bumped head 401 is fixed on the lower part of the drive plate 3, that is, It is fixedly connected with the driving shaft of the driving disk, the impacted head 401 is a conical structure with a narrow top and a wide bottom, and the maximum outer diameter of the impacted head 401 is 3 cm; the outer shell 405 is a cylindrical structure, and the The overall height of the shell 405 is 10 cm, and the bottom of the shell and the top of the guide 5 adopt an interference fit; the support table 404 is a cylindrical structure fixed on the top of the shell 405, and the bottom of the impacted head 401 is in contact with the top of the guide 5. The upper part of the support platform 404 is fixed with a cylindrical boss, and the upper and lower ends of the damping spring 402 are respectively set on the two bosses to complete the connection. The connecting rod 403 is a cylindrical structure, and its upper part It is fixedly connected with the boss at the bottom of the impacted head, and its lower part extends into the housing 405 through the boss of the support platform and the support platform, and can be changed according to the compression of the shock absorbing spring. The length of the damping spring 402 is helical as a whole, and the outer diameter of the connecting rod 403 is 1.34cm; There are interconnected through holes on the top, which can be used to transmit drilling fluid.

During specific implementation, the sampling device is placed vertically on the soil layer to be mined, the operator holds the handles 2 on both sides tightly, the engine 1 provides power to start the drive disc 3, and the drive disc 3 drives the buffer 4 , the guide 5, the sampling cup 6 and the sampling drill bit 7 rotate, and the sampling cup 6 can go deep into the soil layer to complete geological sampling. Since the sampling device will be subject to relatively large resistance when it penetrates into the geological formation, the sampling device will have a strong vibration and bumpy feeling during the entire sampling process. The sampling device described in this embodiment is provided with a buffer 4, which is compressed by the shock-absorbing spring 402 to suppress the shock caused by the reverse resistance of the geological layer, so that it can effectively reduce the bumpy feeling during geological sampling and effectively avoid The operator's arm is protected from direct impact, thereby relieving the burden on the operator's arm, reducing the fatigue of the arm caused by long-term operation, and effectively protecting and reducing the damage of parts caused by impact, improving the safety of the operation.

Further, the present embodiment can be improved on the above basis as follows: when using for a long time, no drilling fluid is used, and dry drilling will damage the device, so it is necessary to inject drilling fluid during the sampling process, that is, it is necessary to add drilling fluid to the sampling device. Put a water injector, select commercially available side type water injector in the present embodiment, described water injector is arranged between described driving disc 3 and described buffer 4, described water injector mandrel upper part and driving disc 3 The drive shaft is fixedly connected, and the lower part is fixedly connected with the impacted head 401. Since the buffer 4, the guide 5 and the sampling cup 6 are all hollow structures, the drilling fluid can enter the water injector and then flow into the buffer 4 in turn. , the guide 5 and the sampling cup 6, and finally flow out from the drill bit.

An embodiment of the present invention has been described in detail above, but the content described is only a preferred embodiment of the present invention and cannot be considered as limiting the implementation scope of the present invention. All equivalent changes and improvements made according to the application scope of the present invention shall still belong to the scope covered by the patent of the present invention.

Claims (6)

1. A hydrogeological sampling device, characterized in that, comprises a motor, a drive plate, a buffer, a guide, a sampling cup, and a sampling drill bit connected sequentially from top to bottom; A buffer is fixed at the bottom of the drive plate; the buffer is composed of a bumped head, a shock absorbing spring, a connecting rod, a support platform, and a casing on the same axis, and the bumped head is fixed on the drive plate In the lower part, the impacted head is a conical structure with a narrow top and a wide bottom; the shell is a hollow cylindrical structure, and the bottom of the shell and the top of the guide adopt an interference fit; The support platform is a cylindrical structure fixed on the top of the housing, the bottom of the impacted head and the upper part of the support platform are fixed with a cylindrical boss, and the upper and lower ends of the shock-absorbing spring are respectively set on the two sides. on the boss; the connecting rod is a cylindrical structure, its upper part is fixedly connected with the boss at the bottom of the impacted head, and its lower part passes through the boss of the supporting platform and the supporting platform and extends into the said supporting platform. In the housing, the length extending into the housing can be changed according to the compression of the shock absorbing spring. 2. A kind of hydrogeological sampling device as claimed in claim 1, characterized in that, the motor is an irregular cuboid structure, the bottom of the motor and the top of the driving disc adopt an interference fit, and the driving disc is a cylinder body structure. 3. A hydrogeological sampling device as claimed in claim 1, wherein two handles are arranged symmetrically on the periphery of the drive disc, and the handles are welded to the outer surface of the drive disc, and the handles are as a whole U-shaped tube structure with hard surface and hollow interior. 4. The hydrogeological sampling device according to claim 1, wherein the guide is a hollow cylindrical structure. 5 . The hydrogeological sampling device according to claim 1 , wherein the bottom of the guide and the top of the sampling cup adopt an interference fit, and the sampling cup is a hollow cylindrical structure. 6 . The hydrogeological sampling device according to claim 1 , wherein a sampling drill bit is fixed at the bottom of the sampling cup through a screw structure, and the sampling drill bit is a conical structure with a narrow top and a wide bottom. 7 .