CN213016329U

CN213016329U - Electronic sampling device of ground

Info

Publication number: CN213016329U
Application number: CN202021716736.6U
Authority: CN
Inventors: 胡科; 郭正超; 闫磊; 董利飞; 陈才
Original assignee: Chongqing Three Gorges University
Current assignee: Chongqing Three Gorges University
Priority date: 2020-08-17
Filing date: 2020-08-17
Publication date: 2021-04-20
Anticipated expiration: 2030-08-17

Abstract

The utility model discloses a rock soil electric sampling device, which comprises a shell, wherein an ultrasonic vibrator is arranged in the shell, the upper end of the ultrasonic vibrator is abutted against the top of the shell through a damping spring, and the lower end of the ultrasonic vibrator extends out of the bottom of the shell and is in sliding clamping connection with the bottom of the shell in the vertical direction; the lower end of the ultrasonic vibrator is detachably connected with a drilling tool. The utility model removes the rotary motor, reduces the whole operation weight, improves the hand-held portability, and can reach higher drilling efficiency without rotating or providing drilling fluid due to the ultrahigh frequency constant vibration effect of the ultrasonic vibrator; and the upper end of the ultrasonic vibrator is abutted with the top of the shell to form a damping spring, so that the ultrasonic vibrator and the shell are buffered when vibrating up and down, and the impact on the shell and a user is reduced.

Description

Electronic sampling device of ground

Technical Field

The utility model relates to a ground exploration sampling technical field especially relates to an electronic sampling device of ground.

Background

The acoustic wave drilling technology is a novel drilling technology method, has the characteristics of high speed, safety, wide application and the like, utilizes the high-frequency vibration effect to expel substances on a drilling path of a drill bit in a cutting, shearing or breaking mode, and even can cause surrounding soil particles to be liquefied to form fluid, so that the drilling is easier. As an advance of sonic drilling technology, ultrasonic vibrator based drilling technology is a future development in the drilling field.

The prior art provides a handheld ultrasonic drilling machine, can be better realize that the ground drills, but it is rotatory vibration and creeps into with the integrative setting of rotary motor and ultrasonic vibrator, and is bulky, and this ultrasonic drilling machine does not have shock attenuation measure moreover. However, the vibration frequency of the ultrasonic vibrator is generally higher than 20Khz, and when the ultrasonic vibrator vibrates, an impact is generated between the rotary motor and the ultrasonic vibrator, which may cause an irreversible influence on the rotary motor.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is necessary to provide an electric sampling device for rock and soil with high drilling efficiency and portability.

An electric rock-soil sampling device comprises a shell, wherein an ultrasonic vibrator is arranged in the shell, the upper end of the ultrasonic vibrator is abutted against the top of the shell through a damping spring, and the lower end of the ultrasonic vibrator extends out of the bottom of the shell and is in sliding clamping connection with the bottom of the shell in the vertical direction; the lower end of the ultrasonic vibrator is detachably connected with a drilling tool.

In one embodiment, the ultrasonic vibrator comprises an ultrasonic transducer and an amplitude-variable vibration rod which are arranged up and down, and the bottom of the ultrasonic transducer is fixedly connected with the upper part of the amplitude-variable vibration rod; the side surface of the lower part of the amplitude-variable vibration transmission rod protrudes outwards to form an outer edge, and a groove is arranged at the contact part of the bottom of the shell and the outer edge and is in sliding clamping connection with the groove through the outer edge.

In one embodiment, the middle part of the amplitude variation vibration transmission rod is uniformly concave, and the upper part of the amplitude variation vibration transmission rod and the lower part of the amplitude variation vibration transmission rod form opposite table surfaces at the upper end and the lower end of the middle part of the amplitude variation vibration transmission rod; the middle part of the amplitude variation vibration transmission rod is slidably sleeved with a mass block.

In one embodiment, the drilling tool comprises a drill rod and a drill bit, wherein one end of the drill rod is detachably connected with the ultrasonic vibrator, and the other end of the drill rod is detachably connected with the drill bit.

In one embodiment, the drill bit is funnel-shaped or funnel-shaped.

In one embodiment, the drill rod is detachably connected with the lower end face of the ultrasonic vibrator through a flange.

In one embodiment, the outer side of the shell is symmetrically provided with a damping handle.

In one embodiment, the shock-absorbing handlebar comprises an upper fixing piece and a lower fixing piece which are arranged up and down, a connecting rod is arranged between the upper fixing piece and the lower fixing piece, a first pressure spring, a holding portion and a second pressure spring which are sequentially arranged from top to bottom are sleeved on the connecting rod, and the first pressure spring and the second pressure spring are respectively abutted against the upper fixing piece and the lower fixing piece and press the holding portion at the middle position of the connecting rod.

In one embodiment, the ultrasonic vibrator is connected with a power cable arranged at the top of the shell through a lead, and is externally connected with an ultrasonic driving power supply through the power cable; the lead is arranged on the upper end face of the ultrasonic vibrator, and a flexible corrugated pipe is coated outside the lead.

Compared with the prior art, the utility model has the advantages that based on the handheld portability, the rotary motor is removed, the whole operation weight is reduced, and the ultrahigh frequency constant vibration effect of the ultrasonic vibrator does not need to be realized, the drilling fluid is not provided, and the higher drilling efficiency can be achieved; and the upper end of the ultrasonic vibrator is abutted with the top of the shell to be provided with a damping spring, so that the ultrasonic vibrator is buffered with the shell when vibrating up and down, and the impact on the shell and a user is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, drawings of other embodiments can be obtained according to the drawings without creative efforts.

Fig. 1 is the embodiment of the utility model provides an electronic sampling device of ground picture's structure schematic diagram.

Wherein: 1-shell, 11-groove, 2-ultrasonic vibrator, 21-ultrasonic transducer, 22-amplitude-variable vibration rod, 221-upper part, 222-middle part, 223-lower part, 2231-outer edge, 224-mass block, 3-damping spring, 4-drilling tool, 41-drilling rod, 42-drilling bit, 5-flange, 6-damping handle, 61-upper fixing part, 62-lower fixing part, 63-connecting rod, 64-first pressure spring, 65-holding part, 66-second pressure spring, 7-power cable and 8-flexible corrugated pipe.

Detailed Description

In order to facilitate understanding of the present invention, a rock-soil electric sampling device will be described more fully with reference to the related drawings. The preferred embodiment of the geotechnical electric sampling device is shown in the attached drawings. However, the geotechnical electric sampling device may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "mounted on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "coupled" to another element, it can be directly coupled to the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the geotechnical electric sampling apparatus is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1, the embodiment of the utility model provides an electronic sampling device of ground, including casing 1, be equipped with ultrasonic vibrator 2 in casing 1, the upper end of ultrasonic vibrator 2 is through damping spring 3 and casing 1 top butt, the lower extreme of ultrasonic vibrator 2 stretches out casing 1 bottom, and with casing 1 bottom in vertical direction slip joint; the lower end of the ultrasonic vibrator 2 is detachably connected with a drilling tool 4. Through damping spring 3 butt ultrasonic vibrator 2's up end and 1 top internal surface of casing, can implement a decurrent compressive stress to ultrasonic vibrator 2, compress tightly ultrasonic vibrator 2 and fix in casing 1 to can form certain buffering between ultrasonic vibrator 2 and casing 1, slow down the impact to casing 1 when ultrasonic vibrator vibrates. Moreover, because of the ultrahigh frequency constant vibration action of the ultrasonic vibrator 2, when the vibration frequency of the ultrasonic vibrator 2 is equal to the natural frequency of rock soil, resonance can be generated, soil fluctuation is fluidized, and even if the ultrasonic vibrator 2 is only arranged in the shell 1, higher drilling efficiency can be achieved by providing downward force through manpower; and the method can realize waterless drilling, the waste generated by drilling is less than that generated by applying drilling liquid by more than 70 percent, not only can obtain rock and soil samples with good fidelity, but also can reduce the damage and pollution to the environment.

Further, as shown in fig. 1, the ultrasonic vibrator 2 includes an ultrasonic transducer 21 and an amplitude transformer 22 which are arranged up and down, in this embodiment, the ultrasonic transducer 21 is a piezoelectric ceramic transducer, and the bottom of the ultrasonic transducer 21 is fixedly connected with the upper part 221 of the amplitude transformer 22, specifically, the end surface of the upper part 221 of the amplitude transformer 22, so as to provide an end force downward; the upper part 221 of the amplitude-variable vibration transmission rod 22 is an amplitude-variable part and plays a role in increasing the amplitude of the ultrasonic transducer 21; the middle part 222 and the lower part 223 of the amplitude variation vibration transmission rod 22 are vibration transmission parts, and the lower end surface of the lower part 223 is connected with the drilling tool 4 to transmit vibration downwards; the lower part 223 of the amplitude transformer 22 protrudes outwards from the side to form an outer edge 2231, a groove 11 is arranged at the contact part of the bottom of the shell 1 and the outer edge 2231, the outer edge 2231 is in sliding clamping connection with the groove 11, so that the ultrasonic vibrator 2 is limited in the shell 1, the groove 11 provides a vertical movement, and the damping spring 3 is matched to reduce impact.

Further, as shown in fig. 1, the middle part 222 of the amplitude variation vibration transmission rod 22 is uniformly concave, and the upper part 221 of the amplitude variation vibration transmission rod 22 and the lower part 223 of the amplitude variation vibration transmission rod 22 form opposite table surfaces at the upper end and the lower end of the middle part 222 of the amplitude variation vibration transmission rod 22; a mass block 224 is slidably sleeved on the middle part 222 of the amplitude variation vibration transmission rod 22. The mass block 224 can freely slide in the middle part 222 of the amplitude variation vibration transmission rod 22, and the relative table top limit moving range is formed by the upper end and the lower end of the middle part 222, when the ultrasonic transducer 21 generates vertical vibration, the amplitude is amplified through the upper part 221 of the amplitude variation vibration transmission rod 22, so that the mass block 224 reciprocates up and down in the middle part 222 of the amplitude variation vibration transmission rod 22, impacts the lower part 223 of the amplitude variation vibration transmission rod and is transmitted to the drilling tool 4 downwards, and the crushing of rock soil is accelerated.

Further, as shown in fig. 1, the drilling tool 4 comprises a drill rod 41 and a drill bit 42, one end of the drill rod 41 is detachably connected with the ultrasonic vibrator 2, and the detachable connection mode can be a direct threaded connection or an assembly connection through an intermediate member such as a flange 5, a bolt and the like; the drilling rod 41 other end can be dismantled with drill bit 42 and be connected, conveniently chooses for use multiple drill bit 42 to change to deal with multiple service environment.

Further, as shown in fig. 1, the drill bit 42 has a funnel shape or a funnel shape, in which the cross-sectional area of the hollow portion is equal to the cross-sectional area of the inside of the drill rod 41, and the outer surface extends obliquely from bottom to top to the periphery, so that the material on the drilling path is discharged to the periphery during drilling, and the drilling speed is increased.

Further, as shown in fig. 1, the drill rod 41 may be detachably connected to the lower end surface of the ultrasonic vibrator 2 through a flange 5, and the flange 5 may be directly removed after drilling is completed to separate the drill rod 41 from the ultrasonic vibrator 2. In other embodiments, the drill rod 41 and the lower end face of the ultrasonic vibrator 2 may be directly screwed, and only the drill rod 41 needs to be fixed when the drill rod 41 is detached, so that the drill rod 41 and the ultrasonic vibrator 2 are separated by relative rotation, and the drill rod 41 and the ultrasonic vibrator 2 are prevented from being separated by relative rotation.

Furthermore, as shown in fig. 1, the damping handles 6 are symmetrically arranged on the outer side of the housing 1, so that vibration impact on an operator is reduced, and discomfort of the operator is relieved. Preferably, in the embodiment, two damping handles 6 are symmetrically arranged at the middle positions of two sides outside the shell 1, so that a single person can conveniently hold and control balance; in other embodiments, four shock-absorbing handles 6 are symmetrically arranged on four sides of the outer side of the shell 1, so that a double person can hold and control balance conveniently.

Further, as shown in fig. 1, the shock-absorbing handlebar 6 includes an upper fixing member 61 and a lower fixing member 62 which are arranged up and down, a connecting rod 63 is arranged between the upper fixing member 61 and the lower fixing member 62, a first pressure spring 64, a holding portion 65 and a second pressure spring 66 which are sequentially arranged from top to bottom are sleeved on the connecting rod 63, the first pressure spring 64 and the second pressure spring 66 are respectively abutted against the upper fixing member 61 and the lower fixing member 62, and the holding portion 65 is pressed at a middle position of the connecting rod 63. The first compression spring 64 and the second compression spring 66 have higher rigidity, can press the holding part 65 at the middle position of the connecting rod 63, and keep the sampling device to drill vertically downwards; and the first compression spring 64 and the second compression spring 66 are used for bidirectional shock absorption, so that discomfort brought to the hands of the operator due to shock can be further relieved.

Further, as shown in fig. 1, the ultrasonic vibrator 2 is connected to a power cable 7 disposed at the top of the housing 1 through a lead, and is externally connected to an ultrasonic driving power source through the power cable 7; the lead is arranged on the upper end face of the ultrasonic vibrator 2, so that the lead is in a vertical fluctuation state between the ultrasonic vibrator 2 and the power cable 7 when the ultrasonic vibrator 2 vibrates, the motion direction is consistent with the vibration direction, and the probability of dislocation disconnection of the lead during vibration is reduced; and the flexible corrugated pipe 8 is coated outside the lead, the flexible corrugated pipe 8 serves as an external protection layer of the lead, and the external protection layer is prevented from cracking during vibration by using the bending flexibility of the flexible corrugated pipe 8.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The rock and soil electric sampling device is characterized by comprising a shell, wherein an ultrasonic vibrator is arranged in the shell, the upper end of the ultrasonic vibrator is abutted against the top of the shell through a damping spring, and the lower end of the ultrasonic vibrator extends out of the bottom of the shell and is in sliding clamping connection with the bottom of the shell in the vertical direction; the lower end of the ultrasonic vibrator is detachably connected with a drilling tool.

2. The geotechnical electric sampling device according to claim 1, wherein the ultrasonic vibrator comprises an ultrasonic transducer and an amplitude-variable vibration transmission rod which are arranged up and down, and the bottom of the ultrasonic transducer is fixedly connected with the upper part of the amplitude-variable vibration transmission rod; the side surface of the lower part of the amplitude-variable vibration transmission rod protrudes outwards to form an outer edge, a groove is arranged at the contact part of the bottom of the shell and the outer edge, and the outer edge is in sliding clamping connection with the groove.

3. The geotechnical electric sampling device according to claim 2, wherein the middle part of the variable amplitude vibration rod is uniformly concave, and the upper part of the variable amplitude vibration rod and the lower part of the variable amplitude vibration rod form opposite table surfaces at the upper end and the lower end of the middle part of the variable amplitude vibration rod; the middle part of the amplitude variation vibration transmission rod is slidably sleeved with a mass block.

4. A geotechnical electric sampling apparatus according to any one of claims 1 to 3 wherein said drill includes a drill rod and a drill bit, one end of said drill rod being detachably connected to said ultrasonic vibrator and the other end being detachably connected to said drill bit.

5. The geotechnical electric sampling device according to claim 4, wherein the drill bit is funnel-shaped or bucket-covered.

6. The geotechnical electric sampling device according to claim 4, wherein the drill rod is detachably connected with the lower end face of the ultrasonic vibrator through a flange.

7. The geotechnical electric sampling device according to any one of claims 1 to 3, wherein damping handles are symmetrically arranged on the outer side of the shell.

8. The geotechnical electric sampling device according to claim 7, wherein the shock absorption handlebar comprises an upper fixing piece and a lower fixing piece which are arranged up and down, a connecting rod is arranged between the upper fixing piece and the lower fixing piece, a first pressure spring, a holding portion and a second pressure spring which are sequentially arranged from top to bottom are sleeved on the connecting rod, and the first pressure spring and the second pressure spring are respectively abutted against the upper fixing piece and the lower fixing piece and are used for pressing and holding the holding portion at the middle position of the connecting rod.

9. The geotechnical electric sampling device according to claim 1, wherein the ultrasonic vibrator is connected with a power cable arranged at the top of the shell through a lead, and is externally connected with an ultrasonic driving power supply through the power cable; the lead is arranged on the upper end face of the ultrasonic vibrator, and a flexible corrugated pipe is coated outside the lead.