CN210119372U

CN210119372U - Geotome is used in engineering reconnaissance

Info

Publication number: CN210119372U
Application number: CN201921036206.4U
Authority: CN
Inventors: 罗学锋
Original assignee: No2 Bureau Of General Administration Of Metallurgical Geology Of China
Current assignee: Second Geological Exploration Institute of China General Administration of Metallurgical Geology
Priority date: 2019-07-04
Filing date: 2019-07-04
Publication date: 2020-02-28
Anticipated expiration: 2029-07-04

Abstract

The utility model discloses a geotome is used in engineering reconnaissance, including support frame and plectane, the plectane is installed at the top of support frame, the top of plectane is provided with slewing mechanism, slewing mechanism's inside threaded connection has the elevating system who runs through the plectane, elevating system's bottom is provided with the sampler barrel, elevating system's inside threaded connection has the thief rod, the inner chamber that elevating system and extended to the sampler barrel is passed to the bottom of thief rod. The utility model discloses can change the angle of borrowing, improve the application scope of the device that fetches earth, carry out soil sampling through the shearing force more easily at the in-process of fetching earth, soil takes out from the inner chamber of a sampling section of thick bamboo easily moreover, easy operation, convenient to use, the process of sample is stable, can not destroy the soil structure, takes a sample alone through the soil of sampling rod with each aspect, avoids soil sample to damage the authenticity that influences engineering reconnaissance data, has improved the accuracy of reconnaissance.

Description

Geotome is used in engineering reconnaissance

Technical Field

The utility model relates to an engineering exploration technical field specifically is a geotome is used in engineering investigation.

Background

The geotechnical engineering investigation refers to finding out, analyzing and evaluating geological and environmental characteristics and geotechnical engineering conditions of a construction site according to requirements of construction engineering, and compiling activities of investigation files, wherein if the investigation work is not in place, adverse engineering geological problems are revealed, and even if the design and construction of an upper structure reach high quality, the damage is avoided. Different types and scales of engineering activities can bring different degrees of influence on geological environment; on the contrary, different geological conditions bring different effects to the engineering construction. The aim of geotechnical engineering investigation is mainly to find out engineering geological conditions, analyze existing geological problems and make engineering geological evaluation on building areas.

The engineering investigation is the first link of basic construction, the engineering investigation is well done, especially the earlier investigation, the detailed argumentation can be made for the construction site, the reasonable proceeding of the engineering is ensured, and the engineering is promoted to obtain the best economic, social and environmental benefits.

Soil sampling is one of important links of engineering investigation, most of the existing soil sampling devices adopt a shovel to sample soil or squeeze a sampling head into the soil to realize soil sampling, for example, Chinese utility model patent with the publication number of CN208672357U and the publication number of 2019.03.29 discloses a soil sampling device, the device adopts the design of matching type of an outer cylinder and an inner cylinder, realizes that the inner cylinder continuously stretches into the ground through the axial rotation movement of the inner cylinder relative to the outer cylinder, realizes that the soil sampling is realized through continuously squeezing the soil through a slot axially arranged on the inner cylinder, however, the device is difficult to vertically insert the soil to sample the soil when encountering sampling position ineligibility in the actual use process, and is unstable in the sampling process, the soil sample in the device is difficult to take out, the soil structure is easy to damage after being forcibly taken out, and the accuracy of engineering investigation data is influenced, which is the defect of the prior art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a geotome is used in engineering reconnaissance, this geotome's sample angle is variable, the soil stable in structure who takes out.

In order to achieve the above object, the utility model provides a following technical scheme: a soil sampler for engineering investigation comprises a support frame and a circular plate, wherein the circular plate is arranged at the top of the support frame, the top of the circular plate is provided with a rotating mechanism, the inner thread of the rotating mechanism is connected with a lifting mechanism penetrating through the circular plate, the bottom of the lifting mechanism is provided with a sampling cylinder, the inner part of the lifting mechanism is connected with a sampling rod through screw threads, the bottom end of the sampling rod penetrates through the lifting mechanism and extends to the inner cavity of the sampling cylinder, the rotating mechanism comprises an installation sleeve and a rotating ball, the rotating ball is rotatably arranged in the inner cavity of the mounting sleeve, four axial arc-shaped sliding blocks are uniformly arranged on the outer side surface of the rotating ball along the circumferential direction of the rotating ball, the inner cavity of the mounting sleeve is provided with a chute matched with the axial arc-shaped slide block, the middle part of the rotating ball is provided with a vertical threaded hole matched with the lifting mechanism in a through way, the sampling rod comprises a long rod, and a plurality of sampling holes are uniformly formed in the surface of the long rod from top to bottom.

Preferably, the vertical threaded hole is matched with the lifting mechanism, a radial threaded hole is formed in the front side of the rotating mechanism, a threaded pin is connected to the radial threaded hole in an internal thread mode, and a radial insertion hole matched with the end portion of the threaded pin is formed in the surface of the rotating ball.

Preferably, elevating system includes the threaded rod that links firmly with the sampling tube, the inside of threaded rod is link up and is offered the slot hole that supplies the sampling rod to pass, the top of threaded rod has linked firmly the round handle.

Preferably, the sampling tube comprises a tube body and an opening arranged on one side of the tube body, and two opposite sides of the opening are wedge-shaped sides.

Preferably, the upper part of the surface of the long rod is provided with an external thread, and the upper part of the inner cavity of the long hole is provided with an internal thread matched with the external thread on the long rod.

Preferably, the bottom end of the sampling rod is flush with the bottom end of the sampling cylinder.

Preferably, the support frame comprises an inclined rod and a support leg, the bottom end of the inclined rod is inserted into the support leg and is in interference fit with the support leg, and the support leg is provided with a vertical round hole.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a set up slewing mechanism in the plectane inside, slewing mechanism includes can be at the rotating ball of installation cover inner chamber pivoted, and then can change the angle of fetching soil in some rugged places, has improved the application scope of the device of fetching soil, it is easier to carry out soil sampling through the shearing force in the process of fetching soil, and soil is easy to take out from the inner chamber of a sampling section of thick bamboo, easy operation, convenient to use, the process of taking a sample is stable, can not destroy the soil structure, sample the soil of each aspect alone through the sampling rod, avoid soil sample damage to influence the authenticity of engineering investigation data, the accuracy of investigation is improved;

2. the utility model discloses a cooperation of threaded pin, radial screw hole and radial jack is used, can pass the inner chamber that radial screw hole extends to radial jack with the rear end of threaded pin, can carry on spacingly to the turning ball when needing the sampler barrel vertical lift, and the turning ball rotates and leads to its sample position to take place the problem of skew when having avoided the sampler barrel vertical sampling.

Therefore, compared with the prior art, the utility model has the substantive characteristics and the progress, and the beneficial effects of the implementation are also obvious.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the connection structure of the elevating mechanism and the sampling tube of the present invention;

fig. 3 is a schematic structural view of the rotating mechanism of the present invention;

fig. 4 is an exploded view of the rotating mechanism of the present invention;

fig. 5 is a schematic structural view of the sampling rod of the present invention.

In the figure: 1. a support frame; 101. a diagonal bar; 102. supporting legs; 2. a circular plate; 3. a rotating mechanism; 31. installing a sleeve; 32. rotating the ball; 33. an axial arc-shaped sliding block; 34. a chute; 35. a vertical threaded hole; 36. a threaded pin; 37. a radial threaded hole; 38. a radial jack; 4. a lifting mechanism; 41. a threaded rod; 42. a long hole; 43. a round handle; 5. a sampling tube; 51. a barrel; 52. opening the mouth; 6. a sampling rod; 61. a long rod; 62. and (4) sampling holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

A soil sampler for engineering investigation comprises a support frame 1 and a circular plate 2, wherein the circular plate 2 is arranged at the top of the support frame 1, the support frame 1 comprises a diagonal rod 101 and a support foot 102, the bottom end of the diagonal rod 101 is inserted into the support foot 102 and is in interference fit with the support foot 102, the supporting foot 102 is provided with a vertical round hole, the top of the circular plate 2 is provided with a rotating mechanism 3, the inner thread of the rotating mechanism 3 is connected with a lifting mechanism 4 penetrating through the circular plate 2, the bottom of the lifting mechanism 4 is provided with a sampling tube 5, the diameter of the upper end of the sampling cylinder 5 is larger than that of the lower end, when soil enters the inner cavity of the sampling cylinder 5, a certain gap is reserved between the soil and the inner wall of the sampling cylinder 5, and then the convenience of the user gets the material, the sampling tube 5 includes barrel 51 and the open 52 of seting up in barrel 51 one side, the double-phase relative side of open 52 is the wedge limit.

Elevating system 4's inside threaded connection has a thief rod 6, the bottom of thief rod 6 passes elevating system 4 and extends to the inner chamber of sampler barrel 5, slewing mechanism 3 is including installation cover 31 and rolling ball 32, and rolling ball 32 rotates the inner chamber of installing at installation cover 31, and installation cover 31 divide into two parts about, and rolling ball 32 is installed after the inner chamber of installation cover 31, two parts welded fastening about installation cover 31, evenly be provided with four axial arc slider 33 along its circumference on rolling ball 32's the lateral surface, the spout 34 with axial arc slider 33 looks adaptation is seted up to the inner chamber of installation cover 31, the vertical screw hole 35 with elevating system 4 looks adaptation is seted up in the middle part of rolling ball 32 link up, vertical screw hole 35 and elevating system 4 looks adaptations.

Radial screw hole 37 is opened to slewing mechanism 3's front side, radial screw hole 37 female connection has threaded pin 36, the surface of rotating ball 32 offer with threaded pin 36's tip complex radial jack 38, use through threaded pin 36, radial screw hole 37 and radial jack 38's cooperation, can pass radial screw hole 37 with threaded pin 36's rear end and extend to radial jack 38's inner chamber, can carry out spacingly to rotating ball 32 when needing 5 vertical lift of sampling tube, when having avoided 5 vertical samplers, rotating ball 32 takes place to rotate and leads to its sample site to take place the problem of skew.

Sampling rod 6 includes stock 61, and a plurality of thief holes 62 have evenly been seted up to down on the surface of stock 61 from last, elevating system 4 includes the threaded rod 41 that links firmly with sampler barrel 5, and threaded rod 41's inside link up and sets up the slot hole 42 that supplies sampler rod 6 to pass, threaded rod 41's top has linked firmly round handle 43, and the arm of force when can increasing sampler rod 6 and rotate through setting up of round handle 43, user labour saving and time saving more when rotating sampler rod 6 has improved the speed that sampler rod 6 drove sampler barrel 5 and has descended, and then has improved the efficiency of sampler barrel 5 sample, the external screw thread has been seted up to the top on stock 61 surface, and the internal thread with the external screw thread looks adaptation on stock 61 is seted up to the top of slot hole 42 inner chamber, and the bottom parallel and level of sampler rod 6.

During the sample, at first place the position at needs sample with support frame 1, then it is fixed with supporting legs 102 through spacing stake, then the user rotates round handle 43, it rotates to drive threaded rod 41 through round handle 43, threaded rod 41 rotates and feeds downwards at the inner chamber of vertical screw hole 35, threaded rod 41 pivoted drives sampler barrel 5 and feeds downwards in step simultaneously, insert the inside of soil until barrel 51, can produce the shearing force to soil when barrel 51 rotates, get barrel 51's inner chamber with soil through uncovered 52, during the perpendicular downstream of sampler barrel 5, elevating system 4 and sampler barrel 5 synchronous rotation can be followed to sampling rod 6, consequently, stock 61 also can produce the shearing force to the soil of barrel 51 inner chamber, and sample to the inner chamber of sampling hole 62. At the in-process of getting soil, through shearing force easier to soil sampling, the sample cylinder 5 big-end-up's structure takes out soil from the inner chamber of sample cylinder 5 more easily moreover, easy operation, convenient to use, the process of sample is stable, can not destroy the soil structure, takes a sample alone with the soil of each aspect through thief rod 6, avoids soil sample to damage the authenticity that influences the engineering reconnaissance data, has improved the accuracy of reconnaissance.

When other angles are needed for sampling, the user takes the threaded pin 36 out of the jack 38 and the radial threaded hole 37, then the user turns the round handle 43, the round handle 43 drives the threaded rod 41 and the rotating ball 32 to rotate relative to the mounting sleeve 31 through the matching of the sliding groove 34 of the axial arc-shaped sliding block 33, so that the angle adjustment of the threaded rod 41, the sampling rod 6 and the sampling cylinder 5 is realized, then the sampling operation can be carried out according to the sampling steps, the soil sampling angle can be changed in some rugged places, and the application range of the soil sampling device is improved.

After the sample is accomplished, rotate thief rod 6 through the hexagonal spanner, take out thief rod 6 from the inner chamber of elevating system 4 and sampler barrel 5, then take out the inside soil sample of sampler barrel 5, the inside soil sample of thief hole 62 is the soil sample of each degree of depth soil layer, and the two all tests, has also provided reserve sample, avoids the problem that soil sample damaged.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a geotome is used in engineering investigation, includes support frame (1) and plectane (2), its characterized in that: the top at support frame (1) is installed to plectane (2), the top of plectane (2) is provided with slewing mechanism (3), the inside threaded connection of slewing mechanism (3) has elevating system (4) that runs through plectane (2), the bottom of elevating system (4) is provided with sampling tube (5), the diameter of sampling tube (5) upper end is greater than the diameter of lower extreme, the inside threaded connection of elevating system (4) has sample rod (6), the inner chamber of elevating system (4) and extension to sampling tube (5) is passed to the bottom of sample rod (6), slewing mechanism (3) are including installation cover (31) and rolling ball (32), rolling ball (32) rotate the inner chamber of installing in installation cover (31), evenly be provided with four axial arc slider (33) along its circumference on the lateral surface of rolling ball (32), the inner chamber of installation cover (31) offer with spout (34) of axial arc slider (33) looks adaptation, the middle part of rolling ball (32) link up vertical screw hole (35) of offering with elevating system (4) looks adaptation, sample rod (6) include stock (61), a plurality of thief holes (62) have evenly been seted up from last to lower on the surface of stock (61).

2. The geotome for engineering investigation of claim 1, wherein: vertical screw hole (35) and elevating system (4) looks adaptation, radial screw hole (37) have been opened to the front side of slewing mechanism (3), radial screw hole (37) female connection has threaded pin (36), radial jack (38) with the tip complex of threaded pin (36) are seted up on the surface of rolling ball (32).

3. The geotome for engineering investigation of claim 2, wherein: elevating system (4) include threaded rod (41) that links firmly with sampling tube (5), the inside of threaded rod (41) link up and set up slot hole (42) that supply sampling rod (6) to pass, the top of threaded rod (41) has linked firmly round handle (43).

4. The geotome for engineering investigation of claim 3, wherein: the sampling tube (5) comprises a tube body (51) and an opening (52) formed in one side of the tube body (51), and two opposite side edges of the opening (52) are wedge-shaped edges.

5. The geotome for engineering investigation of claim 4, wherein: the upper part of the surface of the long rod (61) is provided with an external thread, and the upper part of the inner cavity of the long hole (42) is provided with an internal thread matched with the external thread on the long rod (61).

6. The earth sampler for engineering investigation of claim 5, wherein: the bottom of sampling rod (6) is the bottom parallel and level with sampling tube (5).

7. The earth sampler for engineering investigation of claim 6, wherein: the supporting frame (1) comprises an inclined rod (101) and supporting legs (102), the bottom ends of the inclined rod (101) are inserted into the supporting legs (102) and are in interference fit with the supporting legs (102), and vertical round holes are formed in the supporting legs (102).