CN112709207A

CN112709207A - A reconnaissance device for ground collapsibility evaluation

Info

Publication number: CN112709207A
Application number: CN202011429370.9A
Authority: CN
Inventors: 王覃; 王卫红; 于帅宾; 闫国平; 吴文荣
Original assignee: Shanxi Huajin Geotechnical Engineering Prospecting Co ltd
Current assignee: Shanxi Huajin Geotechnical Engineering Prospecting Co ltd
Priority date: 2020-12-09
Filing date: 2020-12-09
Publication date: 2021-04-27
Anticipated expiration: 2040-12-09
Also published as: CN112709207B

Abstract

The invention discloses a survey device for evaluating the collapsibility of a foundation, and relates to the technical field of foundation evaluation. The invention comprises a power device, a descending device, an extrusion device, a fixing device and a bottom device, wherein the descending device and the fixing device are arranged at the top of the bottom device, the descending device and the fixing device are fixedly connected with the bottom device, one side of the fixing device extends into the descending device and is in sliding connection with the descending device, the power device is arranged at the top of the descending device, the power device is fixedly connected with the descending device, the extrusion device is arranged on the side surface of the descending device, and the extrusion device is abutted against the descending device. The descending device and the extrusion device are arranged to adjust the descending height of the assessment instrument, so that the descending height of the assessment instrument can be adjusted according to actual requirements, the application range of the whole device is expanded, and the practicability of the device is improved.

Description

A reconnaissance device for ground collapsibility evaluation

Technical Field

The invention belongs to the technical field of foundation evaluation, and particularly relates to a surveying device for evaluating the collapsibility of a foundation.

Background

The property of loess that after being soaked in water under a certain pressure, the structure is rapidly destroyed to generate significant additional settlement, which is called collapsibility. It is an engineered geological property unique to loess. The main reason for the loess to collapse is that it has obvious water contacting connection to weaken the special component of compact structure favorable to collapse and the loess collapsing property includes two types of self weight collapse and non-self weight collapse, the former is the phenomenon of the loess producing less collapse under its self weight after contacting water; the latter refers to the additional subsidence generated under the action of additional load after loess is soaked in water, an evaluation instrument is needed when the collapsibility of the foundation is evaluated, however, the existing evaluation instrument has certain defects when in use, the existing surveying device often cannot adjust the descending height of the evaluation instrument when in use, the use range is limited, and meanwhile, the surveying device can move due to unstable fixation when the surveying device works, so that the surveying and evaluating results of the surveying device are inaccurate.

Disclosure of Invention

The invention aims to provide a survey device for evaluating the collapsibility of a foundation, which solves the existing problems: the existing survey device often can not adjust the height that assesses the appearance and descend when using, and application range is limited, simultaneously surveys the device and because fixed unstability when the during operation, can lead to surveying the device and take place to remove, and then makes the survey device survey the result of assessing inaccurate.

In order to solve the technical problems, the invention is realized by the following technical scheme:

the invention relates to a survey device for evaluating the collapsibility of a foundation, which comprises a power device, a descending device, an extrusion device, a fixing device and a bottom device, wherein the descending device and the fixing device are arranged at the top of the bottom device, the descending device and the fixing device are fixedly connected with the bottom device, one side of the fixing device extends into the descending device and is in sliding connection with the descending device, the power device is arranged at the top of the descending device, the power device is fixedly connected with the descending device, the extrusion device is arranged on the side surface of the descending device, and the extrusion device is abutted against the descending device.

Further, the descending device comprises a supporting plate, a top rod is arranged at the top of the supporting plate and fixedly connected with the supporting plate, a sliding groove is formed in the side face of the supporting plate, a sliding plate is arranged in the sliding groove and slidably connected with the sliding groove, a T-shaped groove is formed in the top of the sliding plate, two sliding blocks are arranged in the T-shaped groove, and the two sliding blocks are slidably connected with the T-shaped groove.

Furthermore, a rotating rod is arranged between the two sliding blocks and the ejector rod, two ends of the rotating rod are respectively hinged with the sliding blocks and the ejector rod, a connecting spring is arranged between the two sliding blocks, two ends of the connecting spring are respectively and elastically connected with the corresponding sliding blocks, an evaluation instrument is arranged at the bottom of the sliding plate, and the evaluation instrument is fixedly connected with the sliding plate.

Further, extrusion device includes disc and spacing box, disc and spacing box all set up the surface at the backup pad, the disc rotates with the backup pad to be connected, spacing box and backup pad fixed connection, be provided with the second rack in the spacing box, second rack and spacing box sliding connection.

Furthermore, the disc is meshed with a second rack, a supporting plate is arranged at the end part of the second rack and fixedly connected with the second rack, an extrusion rod is arranged on the surface of the supporting plate and fixedly connected with the supporting plate, and the extrusion rod extends into the supporting plate and abuts against the rotating rod.

Further, power device includes driving motor, first rack and fluted disc, driving motor sets up the top at the ejector pin, driving motor and ejector pin fixed connection, the fluted disc sets up the output at driving motor.

Furthermore, the fluted disc is fixedly connected with the output end of the driving motor, the first rack is arranged at the top of the sliding plate and fixedly connected with the sliding plate, and the first rack is meshed with the fluted disc.

Further, fixing device includes bottom plate, bolt, chuck, bolt, connecting rod and side groove, the bottom plate sets up the bottom in the backup pad, bottom plate and backup pad fixed connection, the bolt sets up in the bottom plate, bolt and bottom plate threaded connection, the side groove sets up in the backup pad.

Further, be provided with the connecting rod in the side pocket, connecting rod and side pocket sliding connection, the tip of connecting rod is provided with the chuck, chuck and connecting rod fixed connection, chuck and bolt joint, the bolt runs through the connecting rod and pegs graft with the connecting rod.

Further, the bottom device comprises universal wheels and a through groove, the universal wheels are arranged at the bottom of the bottom plate and movably connected with the bottom plate, the through groove is arranged in the bottom plate, and the through groove is arranged right below the evaluation instrument.

The invention has the following beneficial effects:

1. the descending device and the extrusion device are arranged to adjust the descending height of the assessment instrument, so that the descending height of the assessment instrument can be adjusted according to actual requirements, the application range of the whole device is expanded, and the practicability of the device is improved.

2. The fixing device is arranged to fix and limit the bolt, so that the surveying device is prevented from moving due to vibration during working, and the accuracy of the assessment instrument in surveying the foundation can be improved.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

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

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a rear view of the present invention;

FIG. 3 is a cross-sectional view taken at A-A of FIG. 1 in accordance with the present invention;

FIG. 4 is an enlarged view taken at B of FIG. 1 in accordance with the present invention;

fig. 5 is an enlarged view of the invention at C in fig. 3.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a power plant; 101. a drive motor; 102. a first rack; 103. a fluted disc; 2. a lowering device; 201. a top rod; 202. a support plate; 203. a slide plate; 204. a chute; 205. a T-shaped slot; 206. a slider; 207. a rotating rod; 208. a connecting spring; 209. an evaluation instrument; 3. an extrusion device; 301. a resisting plate; 302. an extrusion stem; 303. a second rack; 304. a disc; 305. a limiting box; 4. a fixing device; 401. a base plate; 402. a bolt; 403. a chuck; 404. a bolt; 405. a connecting rod; 406. a side groove; 5. a bottom device; 501. a universal wheel; 502. a through groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention is a survey apparatus for evaluating the collapsibility of a foundation, including a power device 1, a descending device 2, an extrusion device 3, a fixing device 4 and a bottom device 5, wherein the descending device 2 and the fixing device 4 are both disposed on the top of the bottom device 5, the descending device 2 and the fixing device 4 are both fixedly connected with the bottom device 5, one side of the fixing device 4 extends into the descending device 2 and is slidably connected with the descending device 2, the power device 1 is disposed on the top of the descending device 2, the power device 1 is fixedly connected with the descending device 2, the extrusion device 3 is disposed on the side of the descending device 2, and the extrusion device 3 is abutted against the descending device 2.

The descending device 2 comprises a supporting plate 202, a top rod 201 is arranged at the top of the supporting plate 202, the top rod 201 is fixedly connected with the supporting plate 202, a sliding groove 204 is arranged on the side surface of the supporting plate 202, a sliding plate 203 is arranged in the sliding groove 204, the sliding plate 203 is in sliding connection with the sliding groove 204, a T-shaped groove 205 is arranged at the top of the sliding plate 203, two sliding blocks 206 are arranged in the T-shaped groove 205, the two sliding blocks 206 are both in sliding connection with the T-shaped groove 205, the descending device 2 can enable an assessment instrument 209 to be,

A rotating rod 207 is arranged between the two sliding blocks 206 and the top rod 201, two ends of the rotating rod 207 are respectively hinged with the sliding blocks 206 and the top rod 201, a connecting spring 208 is arranged between the two sliding blocks 206, two ends of the connecting spring 208 are respectively elastically connected with the corresponding sliding blocks 206, an assessment instrument 209 is arranged at the bottom of the sliding plate 203, and the assessment instrument 209 is fixedly connected with the sliding plate 203.

The extrusion device 3 comprises a disc 304 and a limiting box 305, wherein the disc 304 and the limiting box 305 are both arranged on the surface of the supporting plate 202, the disc 304 is rotatably connected with the supporting plate 202, the limiting box 305 is fixedly connected with the supporting plate 202, a second rack 303 is arranged in the limiting box 305, the second rack 303 is slidably connected with the limiting box 305, and the extrusion device 3 can adjust and control the descending height of the assessment instrument 209, so that the use range of the whole device is expanded.

The disc 304 is engaged with the second rack 303, the end of the second rack 303 is provided with a pressing plate 301, the pressing plate 301 is fixedly connected with the second rack 303, the surface of the pressing plate 301 is provided with an extrusion rod 302, the extrusion rod 302 is fixedly connected with the pressing plate 301, and the extrusion rod 302 extends into the support plate 202 and abuts against the rotating rod 207.

The power device 1 comprises a driving motor 101, a first rack 102 and a fluted disc 103, wherein the driving motor 101 is arranged at the top of the ejector rod 201, the driving motor 101 is fixedly connected with the ejector rod 201, the fluted disc 103 is arranged at the output end of the driving motor 101, and the power device 1 can enable the assessment instrument 209 to move downwards to survey the foundation through the assessment instrument 209.

The fluted disc 103 is fixedly connected with the output end of the driving motor 101, the first rack 102 is arranged at the top of the sliding plate 203, the first rack 102 is fixedly connected with the sliding plate 203, and the first rack 102 is meshed with the fluted disc 103.

Fixing device 4 includes bottom plate 401, bolt 402, chuck 403, bolt 404, connecting rod 405 and side channel 406, and bottom plate 401 sets up in the bottom of backup pad 202, and bottom plate 401 and backup pad 202 fixed connection, bolt 402 set up in bottom plate 401, bolt 402 and bottom plate 401 threaded connection, and side channel 406 sets up in backup pad 202, and fixing device 4 can make assessment appearance 209 when surveying the ground, make whole device fixed more firm, and then improve the survey result of assessment appearance 209 to the ground.

A connecting rod 405 is arranged in the side groove 406, the connecting rod 405 is in sliding connection with the side groove 406, a chuck 403 is arranged at the end of the connecting rod 405, the chuck 403 is fixedly connected with the connecting rod 405, the chuck 403 is clamped with the bolt 402, and the bolt 404 penetrates through the connecting rod 405 and is inserted into the connecting rod 405.

Bottom device 5 includes universal wheel 501 and logical groove 502, and universal wheel 501 sets up in the bottom of bottom plate 401, and universal wheel 501 and bottom plate 401 swing joint, and logical groove 502 sets up in bottom plate 401, and logical groove 502 sets up under assessment instrument 209, and bottom device 5 has the effect of supporting to whole device, and assessment instrument 209 can be through leading to groove 502 and ground contact to survey the ground.

One specific application of this embodiment is: after the whole device is moved to a proper position, the bolt 402 is rotated to lead the bolt 402 to be screwed into the ground, then the chuck 403 is clamped with the top of the bolt 402, the bolt 404 is inserted into the connecting rod 405, the positions of the chuck 403 and the bolt 402 are fixed, then the disc 304 is rotated to lead the disc 304 to drive the second racks 303 to move, two second racks 303 move towards each other to further extrude the extrusion rod 302, the extrusion rod 302 moves in the supporting plate 202, the switch of the driving motor 101 is opened, the driving motor 101 drives the fluted disc 103 to rotate, when the fluted disc 103 rotates, the first rack 102 is driven to move downwards, further the sliding plate 203 moves downwards, when the sliding plate 203 moves downwards, the rotating rod 207 rotates, the sliding block 206 moves in the T-shaped groove 205, when the rotating rod 207 moves to abut against the extrusion rod 302, the sliding plate 203 stops moving downwards, and the foundation is surveyed by the assessment instrument 209, and completing the surveying work of the foundation.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. A reconnaissance device for assessment of foundation collapsibility, comprising a power device (1), a lowering device (2), a squeezing device (3), a fixing device (4) and a bottom device (5), characterized in that: descending device (2) and fixing device (4) all set up the top at bottom device (5), descending device (2) and fixing device (4) all with bottom device (5) fixed connection, one side of fixing device (4) extend to in descending device (2) and with descending device (2) sliding connection, power device (1) sets up the top at descending device (2), power device (1) and descending device (2) fixed connection, extrusion device (3) set up the side at descending device (2), extrusion device (3) offset with descending device (2).

2. A survey apparatus for assessment of foundation collapsibility according to claim 1, wherein: the descending device (2) comprises a supporting plate (202), a push rod (201) is arranged at the top of the supporting plate (202), the push rod (201) is fixedly connected with the supporting plate (202), a sliding groove (204) is arranged on the side face of the supporting plate (202), a sliding plate (203) is arranged in the sliding groove (204), the sliding plate (203) is in sliding connection with the sliding groove (204), a T-shaped groove (205) is arranged at the top of the sliding plate (203), two sliding blocks (206) are arranged in the T-shaped groove (205), and the two sliding blocks (206) are in sliding connection with the T-shaped groove (205).

3. A survey apparatus for assessment of foundation collapsibility according to claim 2, wherein: a rotating rod (207) is arranged between the two sliding blocks (206) and the ejector rod (201), two ends of the rotating rod (207) are respectively hinged with the sliding blocks (206) and the ejector rod (201), a connecting spring (208) is arranged between the two sliding blocks (206), two ends of the connecting spring (208) are respectively and elastically connected with the corresponding sliding blocks (206), an assessment instrument (209) is arranged at the bottom of the sliding plate (203), and the assessment instrument (209) is fixedly connected with the sliding plate (203).

4. A survey apparatus for assessment of foundation collapsibility according to claim 1, wherein: the extrusion device (3) comprises a disc (304) and a limiting box (305), wherein the disc (304) and the limiting box (305) are arranged on the surface of the supporting plate (202), the disc (304) is rotatably connected with the supporting plate (202), the limiting box (305) is fixedly connected with the supporting plate (202), a second rack (303) is arranged in the limiting box (305), and the second rack (303) is slidably connected with the limiting box (305).

5. A survey apparatus for assessment of foundation collapsibility according to claim 4, wherein: the disc (304) is meshed with the second rack (303), a pressing plate (301) is arranged at the end of the second rack (303), the pressing plate (301) is fixedly connected with the second rack (303), an extrusion rod (302) is arranged on the surface of the pressing plate (301), the extrusion rod (302) is fixedly connected with the pressing plate (301), and the extrusion rod (302) extends into the supporting plate (202) and abuts against the rotating rod (207).

6. A survey apparatus for assessment of foundation collapsibility according to claim 1, wherein: the power device (1) comprises a driving motor (101), a first rack (102) and a fluted disc (103), wherein the driving motor (101) is arranged at the top of a push rod (201), the driving motor (101) is fixedly connected with the push rod (201), and the fluted disc (103) is arranged at the output end of the driving motor (101).

7. A survey apparatus for assessment of foundation collapsibility according to claim 6, wherein: the fluted disc (103) is fixedly connected with the output end of the driving motor (101), the first rack (102) is arranged at the top of the sliding plate (203), the first rack (102) is fixedly connected with the sliding plate (203), and the first rack (102) is meshed with the fluted disc (103).

8. A survey apparatus for assessment of foundation collapsibility according to claim 1, wherein: the fixing device (4) comprises a bottom plate (401), a bolt (402), a chuck (403), a bolt (404), a connecting rod (405) and a side groove (406), the bottom plate (401) is arranged at the bottom of the supporting plate (202), the bottom plate (401) is fixedly connected with the supporting plate (202), the bolt (402) is arranged in the bottom plate (401), the bolt (402) is in threaded connection with the bottom plate (401), and the side groove (406) is arranged in the supporting plate (202).

9. A survey apparatus for assessment of foundation collapsibility according to claim 8, wherein: be provided with connecting rod (405) in side groove (406), connecting rod (405) and side groove (406) sliding connection, the tip of connecting rod (405) is provided with chuck (403), chuck (403) and connecting rod (405) fixed connection, chuck (403) and bolt (402) joint, bolt (404) run through connecting rod (405) and peg graft with connecting rod (405).

10. A survey apparatus for assessment of foundation collapsibility according to claim 1, wherein: the bottom device (5) comprises universal wheels (501) and a through groove (502), the universal wheels (501) are arranged at the bottom of the bottom plate (401), the universal wheels (501) are movably connected with the bottom plate (401), the through groove (502) is arranged in the bottom plate (401), and the through groove (502) is arranged under the evaluation instrument (209).