CN104005394A - Dynamic sounding instrument provided with protecting device - Google Patents
Dynamic sounding instrument provided with protecting device Download PDFInfo
- Publication number
- CN104005394A CN104005394A CN201410263824.8A CN201410263824A CN104005394A CN 104005394 A CN104005394 A CN 104005394A CN 201410263824 A CN201410263824 A CN 201410263824A CN 104005394 A CN104005394 A CN 104005394A
- Authority
- CN
- China
- Prior art keywords
- sounding rod
- sleeve
- sounding
- sleeve body
- outer sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention discloses a dynamic sounding instrument provided with a protecting device and relates to the field of soil engineering in-situ dynamic testing devices. The instrument comprises a piercing hammer, a sounding rod and an injector, wherein the piercing hammer is arranged on the upper portion of the sounding rod in a sleeved mode, a hammer pallet is arranged on the sounding rod and located below the piercing hammer, the injector is arranged on the bottom of the sounding rod, a protecting frame is arranged on the rod body of the sounding rod and is composed of a sleeve and supporting legs arranged on the bottom of the sleeve, the sleeve comprises an outer sleeve body and an inner sleeve body arranged in the outer sleeve body in a sleeved mode, the sounding rod is arranged in the inner sleeve body in a penetrating mode, the outer sleeve body is fixed on the supporting legs, the outer sleeve body and the inner sleeve body are connected through a spring assembly which comprises multiple springs arranged in the radial direction of the sleeve, and adjacent springs are connected through connecting pieces. The dynamic sounding instrument provided with the protecting device can prevent the sounding rod from swinging to the lateral sides and inclining in the testing process and avoid the resistance influence of the outside on the sounding rod in the drilling process.
Description
Technical field
The present invention relates to geotechnological original position dynamic test apparatus field, be specifically related to a kind of dynamic penetrometer with protector.
Background technology
Penetration test is the one of geotechnological original position dynamic sounding, using rig as hoisting frame, and the equipment such as adapted penetrator, sounding rod and punching hammer.When test, at the bottom of drilling hole, lay penetrator and sounding rod and hammering system, by punching hammer falling apart from free-falling with 76cm, first penetrator is squeezed into soil layer 15cm, then start record and squeeze into the hammering number of soil layer 30cm, be test actual measurement hammering and count N, thereby complete a Hammering Test.After completing, remove this cover injection equipment, change drilling tool and creep into another degree of depth, then change this cover penetration test equipment, repeat above process and complete Hammering Test next time.In process of the test, easily there is side direction and rock, tilt in sounding rod, causes eccentric hammering, makes hammering energy loss, the result of impact test.In addition, although current test apparatus adopts electronic surveying head to record depth of penetration, along with the increase of punching hammer hammer number, electronic surveying head is easily shaken off and is damaged, thereby causes measuring.
Summary of the invention
Technical problem to be solved by this invention is: overcome existing dynamic penetrometer sounding rod in process of the test and side direction easily occurs rock, tilt, cause the problem of eccentric hammering, avoid the drag effects producing at drilling process China and foreign countries bound pair sounding rod simultaneously.
For achieving the above object, technical scheme of the present invention is: a kind of dynamic penetrometer with protector, comprise punching hammer, sounding rod and penetrator, punching hammer is set in sounding rod top, on the sounding rod of punching hammer below, be provided with pallet, penetrator is arranged on the bottom of sounding rod, the shaft place of described sounding rod is provided with protective frame, this protective frame is made up of sleeve and the leg that is arranged on sleeve bottom, sleeve comprises an outer sleeve and an inner sleeve being enclosed within outer sleeve, sounding rod is located in inner sleeve, described outer sleeve is fixed on leg, between outer sleeve and inner sleeve, connect by spring assembly, spring assembly comprises multiple springs that radially arrange along sleeve, between adjacent spring, connect by connector.
The barrel of described inner sleeve is outwardly globoidal structure.
On described sounding rod, be provided with graduation mark.
Beneficial effect: the present invention is provided with protective frame at sounding rod shaft place, this protective frame can prevent that sounding rod from the phenomenon that side direction is rocked, tilted occurring in process of the test, has reduced the loss of hammering energy, has improved the precision of test.Meanwhile, inner sleeve has certain yielding movable momentum, has avoided occurring between sounding rod and inner sleeve the stuck problem that causes penetration resistance to increase.On sounding rod, mark graduation mark to replace existing electronic surveying head unit, simplified device structure, test more fast, efficiently.
Brief description of the drawings
Fig. 1 is structural representation of the present invention.
In figure, be labeled as: 1, punching hammer, 2, sounding rod, 3, penetrator, 4, pallet, 5, protective frame, 6, leg, 7, outer sleeve, 8, inner sleeve, 9, spring assembly.
Detailed description of the invention
As shown in Figure 1, a kind of dynamic penetrometer with protector, comprise punching hammer 1, sounding rod 2 and penetrator 3, punching hammer 1 is set in sounding rod 2 tops, punching is hammered into shape on the sounding rod 2 of 1 below and is provided with pallet 4, penetrator 3 is arranged on the bottom of sounding rod 2, the shaft place of described sounding rod 2 is provided with protective frame 5, this protective frame 5 is made up of sleeve and the leg 6 that is arranged on sleeve bottom, sleeve comprises an outer sleeve 7 and an inner sleeve 8 being enclosed within outer sleeve 7, sounding rod 2 is located in inner sleeve 8, described outer sleeve 7 is fixed on leg 6, between outer sleeve 7 and inner sleeve 8, connect by spring assembly 9, spring assembly 9 comprises multiple springs that radially arrange along sleeve, between adjacent spring, connect by connector.
Described inner sleeve 8 does not contact with sounding rod 2, to reduce the frictional force between sounding rod 2 and inner sleeve 8, in process of the test, when sounding rod 2 shakes or tilts, can under the effect of spring assembly 9, correct, to keep verticality.
The barrel of described inner sleeve 8 is outwardly globoidal structure, and this kind of structure can further be corrected sounding rod 2, keeps verticality.
On described sounding rod 2, be provided with graduation mark, be convenient to record the depth of penetration in process of the test.
Described penetrator is made up of penetrator head, penetrator body and penetrator boots, and penetrator is provided with weep hole with it.
Claims (3)
1. the dynamic penetrometer with protector, comprise punching hammer (1), sounding rod (2) and penetrator (3), punching hammer (1) is set in sounding rod (2) top, on the sounding rod (2) of punching hammer (1) below, be provided with pallet (4), penetrator (3) is arranged on the bottom of sounding rod (2), it is characterized in that: the shaft place of described sounding rod (2) is provided with protective frame (5), this protective frame (5) is made up of sleeve and the leg (6) that is arranged on sleeve bottom, sleeve comprises an outer sleeve (7) and an inner sleeve (8) being enclosed within outer sleeve (7), sounding rod (2) is located in inner sleeve (8), described outer sleeve (7) is fixed on leg (6), between outer sleeve (7) and inner sleeve (8), connect by spring assembly (9), spring assembly (9) comprises multiple springs that radially arrange along sleeve, between adjacent spring, connect by connector.
2. a kind of dynamic penetrometer with protector as claimed in claim 1, is characterized in that: the barrel of described inner sleeve (8) is outwardly globoidal structure.
3. a kind of dynamic penetrometer with protector as claimed in claim 1, is characterized in that: described sounding rod is provided with graduation mark on (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410263824.8A CN104005394A (en) | 2014-06-13 | 2014-06-13 | Dynamic sounding instrument provided with protecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410263824.8A CN104005394A (en) | 2014-06-13 | 2014-06-13 | Dynamic sounding instrument provided with protecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104005394A true CN104005394A (en) | 2014-08-27 |
Family
ID=51366283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410263824.8A Pending CN104005394A (en) | 2014-06-13 | 2014-06-13 | Dynamic sounding instrument provided with protecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104005394A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2118810U (en) * | 1991-11-23 | 1992-10-14 | 刘文占 | Double-pipe centralising device for large inclination well and horirontal well |
| JP2001348858A (en) * | 2000-06-08 | 2001-12-21 | Shinku Fujii:Kk | Soil penetration testing device |
| CN201306132Y (en) * | 2008-12-02 | 2009-09-09 | 赵勇 | Tripping and eccentric wear preventing centralizer of oil well pump |
| CN202347511U (en) * | 2011-11-25 | 2012-07-25 | 王冲 | Standard penetration test equipment |
| CN202745025U (en) * | 2012-08-24 | 2013-02-20 | 中国建筑第六工程局有限公司 | Novel standard penetrator |
| CN103704095A (en) * | 2013-12-23 | 2014-04-09 | 中国石油大学(华东) | Fixing support for righting tree |
| CN203904962U (en) * | 2014-06-13 | 2014-10-29 | 洛阳理工学院 | Dynamic penetrometer with protective device |
-
2014
- 2014-06-13 CN CN201410263824.8A patent/CN104005394A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2118810U (en) * | 1991-11-23 | 1992-10-14 | 刘文占 | Double-pipe centralising device for large inclination well and horirontal well |
| JP2001348858A (en) * | 2000-06-08 | 2001-12-21 | Shinku Fujii:Kk | Soil penetration testing device |
| CN201306132Y (en) * | 2008-12-02 | 2009-09-09 | 赵勇 | Tripping and eccentric wear preventing centralizer of oil well pump |
| CN202347511U (en) * | 2011-11-25 | 2012-07-25 | 王冲 | Standard penetration test equipment |
| CN202745025U (en) * | 2012-08-24 | 2013-02-20 | 中国建筑第六工程局有限公司 | Novel standard penetrator |
| CN103704095A (en) * | 2013-12-23 | 2014-04-09 | 中国石油大学(华东) | Fixing support for righting tree |
| CN203904962U (en) * | 2014-06-13 | 2014-10-29 | 洛阳理工学院 | Dynamic penetrometer with protective device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140827 |