CN103821125B - A kind of multi-functional multiple position extensometer anchor head - Google Patents
A kind of multi-functional multiple position extensometer anchor head Download PDFInfo
- Publication number
- CN103821125B CN103821125B CN201210468811.5A CN201210468811A CN103821125B CN 103821125 B CN103821125 B CN 103821125B CN 201210468811 A CN201210468811 A CN 201210468811A CN 103821125 B CN103821125 B CN 103821125B
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- anchor head
- driving lever
- measuring equipment
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- follower lever
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- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The present invention relates to a kind of multi-functional multiple position extensometer anchor head, this anchor head comprises driving lever, turning cylinder, load transfer device, follower lever, anchoring measuring equipment and frame construction, the bottom connection of rotating axle of driving lever, the lower end of driving lever is in transmission connection by one end of load transfer device and follower lever, the other end of follower lever connects anchoring measuring equipment, frame construction is divided into upper frame and underframe, upper frame is set on driving lever, underframe is established on the rotating shaft, hinged with anchoring measuring equipment while of upper frame and underframe; Rotate driving lever, drive follower lever rotate and frame construction is shunk by load transfer device, the rotation of follower lever and the contraction of frame construction drive anchoring measuring equipment horizontal direction to move, by the anchoring measuring equipment press-in soil body.Compared with prior art, the present invention can be used for measuring Different Strata settling amount, can obtain test section underground water pore water pressure, soil pressure and ground temperature, for base pit engineering and underground construction provide prospecting, monitored data simultaneously.
Description
Technical field
The invention belongs to rock and soil engineering detection technical field, especially relate to a kind of multi-functional multiple position extensometer anchor head in conjunction with osmometer, earth pressure gauge and thermometer.
Background technology
For grasping settlement of foundation, underground water pore water pressure, soil pressure and ground temperature in the phase of exploration of base pit engineering and underground construction and construction and excavation process, often needing, boring is set and monitors.Relate to underground water monitoring pore water pressure, soil pressure monitoring and geothermometry time, often need to offer boring respectively.Multi-point displacement metre for drilling hole measuring point fastening devices mainly contains slip casting type, spring-piece type, hydraulic pressure support formula and the wedge-type etc. of falling is several, but due to comparatively large to borehole wall soil disturbance when it applies anchored force, is often difficult to record desirable stratum settling data for soft clay area.
Summary of the invention
Object of the present invention be exactly in order to overcome above-mentioned prior art exist defect and a kind of multi-functional multiple position extensometer anchor head simultaneously can measuring test section settling amount, underground water pore water pressure, soil pressure and ground temperature is provided.
Object of the present invention can be achieved through the following technical solutions:
A kind of multi-functional multiple position extensometer anchor head, this anchor head comprises driving lever, turning cylinder, load transfer device, follower lever, anchoring measuring equipment and frame construction, the bottom connection of rotating axle of described driving lever, the lower end of driving lever is in transmission connection by one end of load transfer device and follower lever, the other end of follower lever connects anchoring measuring equipment, described frame construction is divided into upper frame and underframe, upper frame is set on driving lever, underframe is established on the rotating shaft, hinged with anchoring measuring equipment while of upper frame and underframe;
Rotate driving lever, follower lever is driven to rotate and frame construction is shunk by load transfer device, the rotation of follower lever and the contraction of frame construction drive anchoring measuring equipment horizontal direction to move, by in the anchoring measuring equipment press-in soil body, after measurement, anchoring measuring equipment is regained by counter-rotation driving lever.
Described load transfer device comprises two helical gears and two helical gears that connect successively, and the twisting resistance of Vertical dimension to be changed into level to twisting resistance by two helical gears and two helical gears and drives follower lever to rotate by driving lever.
Two described helical gears are the helical gear of 45 °.
In order to increase anchor head compression distance, described follower lever is made up of the threaded sleeve rod that two are worked in coordination.
The measuring apparatus that described anchoring measuring equipment comprises multiple anchor head and is located in anchor head, described measuring apparatus is to install by free loading and unloading type, can carry out selective installation according to actual demands of engineering.
Described measuring apparatus comprises osmometer, earth pressure gauge and thermometer, and osmometer, earth pressure gauge and thermometer are located in three anchor heads respectively.
Three anchor heads are evenly arranged on driving lever is circumferential.
Described anchor head sidewall is provided with the opening being convenient to measuring apparatus and surrounding soil, groundwater contacts, can protect internal measurement instrument in the process of the press-in soil body.
Described driving lever, turning cylinder, load transfer device, follower lever, frame construction and anchor head are made by chromium plating stainless steel.
Described driving lever, turning cylinder, load transfer device and follower lever form linked system of the present invention, by screw rod linked manner by the anchor head press-in boring soil body, test section stratum settlement amount, pore water pressure, soil pressure and ground temperature is obtained, for base pit engineering, underground construction and slope project phase of exploration and construction and excavation process provide detection data by measuring apparatus (osmometer, earth pressure gauge and thermometer).
Compared with prior art, the present invention has the following advantages:
1, test section settling amount, underground water pore water pressure, soil pressure and ground temperature can be measured simultaneously;
2, adopt gangbar press mode to reduce soil disturbance, be suitable for soft clay area;
3, the osmometer in measuring system, earth pressure gauge and temperature count movable part, can install according to requirement of engineering from main separation;
4, device is recyclable after using.
Accompanying drawing explanation
Fig. 1 is that multiple position extensometer anchor head of the present invention opens schematic diagram;
Fig. 2 is that multiple position extensometer anchor head of the present invention closes schematic diagram;
Fig. 3 is the plan structure schematic diagram of multiple position extensometer anchor head of the present invention;
Fig. 4 is the syndeton schematic diagram of driving lever and upper frame;
Fig. 5 is the structural representation of load transfer device;
Fig. 6 is the structural representation of follower lever;
Fig. 7 is using method schematic diagram of the present invention.
In figure, 1 is driving lever, and 2 is turning cylinder, 3 is load transfer device, and 31 is the first helical gear, and 32 is the second helical gear, 33 is the first helical gear, and 34 is the second helical gear, and 4 is follower lever, 41,42 is two threaded sleeve rod of working in coordination, and 5 is frame construction, and 51 is upper frame, 52 is underframe, 6 is anchor head, and 7 is measuring apparatus, and 8 is the soil body.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment
A kind of multi-functional multiple position extensometer anchor head, its structure as shown in FIG. 1 to 3, it uses schematic diagram as shown in Figure 7, this anchor head comprises driving lever 1, turning cylinder 2, load transfer device 3, follower lever 4, anchoring measuring equipment and frame construction 5, the bottom connection of rotating axle 2 of driving lever 1, the lower end of driving lever 1 is in transmission connection by load transfer device 3 one end with follower lever 4, the other end of follower lever 4 connects anchoring measuring equipment, frame construction 5 is divided into upper frame 51 and underframe 52, upper frame 51 is set on driving lever 1, its structure as shown in Figure 4, underframe 52 is located on turning cylinder 2, hinged with anchoring measuring equipment while of upper frame 51 and underframe 52, the measuring apparatus 7 that anchoring measuring equipment comprises multiple anchor head 6 and is located in anchor head 6, measuring apparatus 7 is to install by free loading and unloading type, can carry out selective installation according to actual demands of engineering.Measuring apparatus 7 comprises osmometer, earth pressure gauge and thermometer, and osmometer, earth pressure gauge and thermometer are located in three anchor heads 6 respectively.Three anchor heads 6 are evenly arranged on driving lever 1 is circumferential.Anchor head 6 sidewall is provided with is convenient to measuring apparatus 7 and the opening of surrounding soil 8, groundwater contacts, can protect internal measurement instrument 7 in the process of the press-in soil body 8.Rotate driving lever 1, drive follower lever 4 to rotate and frame construction 5 is shunk by load transfer device 3, the rotation of follower lever 4 and the contraction of frame construction 5 drive anchoring measuring equipment horizontal direction to move, by the anchoring measuring equipment press-in soil body 8.
As shown in Figure 5, load transfer device 3 comprises the first helical gear 31, second helical gear 32, first helical gear 33 of connecting successively to the structure of load transfer device 3 and the second helical gear 34, first helical gear 31 connects driving lever 1, and the second helical gear 34 connects follower lever 4; The twisting resistance of Vertical dimension to be changed into level to twisting resistance by the first helical gear 31, second helical gear 32, first helical gear 33 and the second helical gear 34 and drives follower lever 4 to rotate by driving lever 1 successively.Wherein, the first helical gear 33 and the second helical gear 34 are the helical gear of 45 °.
In order to increase anchor head 6 compression distance, follower lever 4 is made up of two threaded sleeve rod of working in coordination 41 and 42, and structure as shown in Figures 5 and 6.
Driving lever 1, turning cylinder 2, load transfer device 3, follower lever 4, frame construction 5 and anchor head 6 are made by chromium plating stainless steel.
Driving lever 1, turning cylinder 2, load transfer device 3 form linked system of the present invention with follower lever 4, by threaded rod linked manner, anchor head 6 is pressed in the boring soil body 8, test section stratum settlement amount is obtained by anchor device, test section formation pore water pressure, soil pressure and ground temperature is obtained, for base pit engineering, underground construction and slope project phase of exploration and construction and excavation process provide detection data by measuring apparatus 7 (osmometer, earth pressure gauge and thermometer).
Claims (8)
1. a multi-functional multiple position extensometer anchor head, it is characterized in that, this anchor head comprises driving lever, turning cylinder, load transfer device, follower lever, anchoring measuring equipment and frame construction, the bottom connection of rotating axle of described driving lever, the lower end of driving lever is in transmission connection by one end of load transfer device and follower lever, the other end of follower lever connects anchoring measuring equipment, described frame construction is divided into upper frame and underframe, upper frame is set on driving lever, underframe is established on the rotating shaft, hinged with anchoring measuring equipment while of upper frame and underframe;
Described load transfer device comprises two helical gears and two helical gears, two helical gears are connected with a joggle, two helical gears are connected with a joggle, and one of them helical gear is fixedly connected with a helical gear, the twisting resistance of Vertical dimension to be changed into level to twisting resistance by two helical gears and two helical gears and drives follower lever to rotate by driving lever;
Rotate driving lever, follower lever is driven to rotate and frame construction is shunk by load transfer device, the rotation of follower lever and the contraction of frame construction drive anchoring measuring equipment horizontal direction to move, by in the anchoring measuring equipment press-in soil body, after measurement, anchoring measuring equipment is regained by counter-rotation driving lever.
2. the multi-functional multiple position extensometer anchor head of one according to claim 1, is characterized in that, two described helical gears are the helical gear of 45 °.
3. the multi-functional multiple position extensometer anchor head of one according to claim 1, it is characterized in that, described follower lever is made up of the threaded sleeve rod that two are worked in coordination.
4. the multi-functional multiple position extensometer anchor head of one according to claim 1, is characterized in that, the measuring apparatus that described anchoring measuring equipment comprises multiple anchor head and is located in anchor head, and described measuring apparatus is to install by free loading and unloading type.
5. the multi-functional multiple position extensometer anchor head of one according to claim 4, it is characterized in that, described measuring apparatus comprises osmometer, earth pressure gauge and thermometer, and osmometer, earth pressure gauge and thermometer are located in three anchor heads respectively.
6. the multi-functional multiple position extensometer anchor head of one according to claim 5, is characterized in that, three anchor heads are evenly arranged on driving lever is circumferential.
7. the multi-functional multiple position extensometer anchor head of one according to claim 4, is characterized in that, described anchor head sidewall is provided with the opening being convenient to measuring apparatus and surrounding soil, groundwater contacts.
8. the multi-functional multiple position extensometer anchor head of one according to claim 4, it is characterized in that, described driving lever, turning cylinder, load transfer device, follower lever, frame construction and anchor head are made by chromium plating stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210468811.5A CN103821125B (en) | 2012-11-19 | 2012-11-19 | A kind of multi-functional multiple position extensometer anchor head |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210468811.5A CN103821125B (en) | 2012-11-19 | 2012-11-19 | A kind of multi-functional multiple position extensometer anchor head |
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| Publication Number | Publication Date |
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| CN103821125A CN103821125A (en) | 2014-05-28 |
| CN103821125B true CN103821125B (en) | 2016-01-20 |
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| CN201210468811.5A Expired - Fee Related CN103821125B (en) | 2012-11-19 | 2012-11-19 | A kind of multi-functional multiple position extensometer anchor head |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104612124B (en) * | 2014-11-27 | 2016-08-24 | 同济大学 | A kind of vane type multipoint displacement meter anchor head |
| CN104499511B (en) * | 2014-11-27 | 2016-04-20 | 同济大学 | The arm-type multiple position extensometer anchor head of a kind of spring for soft soil layer |
| CN104532815B (en) * | 2014-11-27 | 2016-08-24 | 同济大学 | A kind of telescopic boom multipoint displacement meter anchor head for soft soil layer |
| CN104499474B (en) * | 2014-11-27 | 2016-08-17 | 同济大学 | A kind of folding blade-type multipoint displacement meter anchor head |
| CN107882010B (en) * | 2017-09-26 | 2019-06-04 | 武汉港湾工程质量检测有限公司 | The measuring device and its application method of soil body deep settlement |
| CN114606936A (en) * | 2022-01-20 | 2022-06-10 | 扬州大学 | Self-expanding type expansion recoverable anchor rod |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1963375A (en) * | 2006-11-29 | 2007-05-16 | 四川大学 | Sleeve bore multidot tensiometer |
| CN201110753Y (en) * | 2007-08-09 | 2008-09-03 | 中国科学院武汉岩土力学研究所 | Large range mechanical type multi-point displacement gage |
| CN202361914U (en) * | 2011-09-27 | 2012-08-01 | 山东科技大学 | Recoverable multi-point displacement meter |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001208622A (en) * | 2000-01-28 | 2001-08-03 | Natl Inst Of Advanced Industrial Science & Technology Meti | Displacement measuring instrument |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1963375A (en) * | 2006-11-29 | 2007-05-16 | 四川大学 | Sleeve bore multidot tensiometer |
| CN201110753Y (en) * | 2007-08-09 | 2008-09-03 | 中国科学院武汉岩土力学研究所 | Large range mechanical type multi-point displacement gage |
| CN202361914U (en) * | 2011-09-27 | 2012-08-01 | 山东科技大学 | Recoverable multi-point displacement meter |
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| CN103821125A (en) | 2014-05-28 |
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Granted publication date: 20160120 Termination date: 20181119 |