CN103821125A - Multifunctional multi-point displacement meter anchor head - Google Patents
Multifunctional multi-point displacement meter anchor head Download PDFInfo
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- CN103821125A CN103821125A CN201210468811.5A CN201210468811A CN103821125A CN 103821125 A CN103821125 A CN 103821125A CN 201210468811 A CN201210468811 A CN 201210468811A CN 103821125 A CN103821125 A CN 103821125A
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- anchor head
- driving lever
- multiple position
- lever
- measuring equipment
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- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention relates to a multifunctional multi-point displacement meter anchor head comprising a drive rod, a rotary shaft, a transmission device, a driven rod, an anchor measuring device and a frame structure. The bottom of the drive rod is connected to the rotary shaft, the lower end of the drive rod is connected to one end of the driven rod in a transmission manner through the transmission device, and the other end of the driven rod is connected to the anchor measuring device; the frame structure is divided into an upper frame and a lower frame, the upper frame sleeves the drive rod, the lower frame is arranged on the rotary shaft, and the upper frame and the lower frame are both hinged to the anchor measuring device; the drive rod rotates to drive the driven rod to rotate through the transmission device to allow the frame structure to stretch, the driven rod rotates and the frame structure stretches to drive the anchor measuring device to move horizontally to press in the solid. Compared with the prior art, the multifunctional multi-point displacement meter anchor head can be used for measuring different amounts of settlement of ground, groundwater pore water pressure, solid pressure and ground temperature in testing segment can be acquired, and reconnaissance and monitoring data can be provided for foundation pit and underground engineering.
Description
Technical field
The invention belongs to geotechnical engineering detection technique field, especially relate to the multi-functional multiple position extensometer anchor head of a kind of combination 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 need to arrange boring and monitor.While relating to underground water monitoring pore water pressure, soil pressure monitoring and geothermometry, often need to offer respectively boring.Multi-point displacement metre for drilling hole measuring point fastening devices mainly contains slip casting type, spring-piece type, hydraulic pressure support formula and falls wedge-type etc. several, but larger to borehole wall soil disturbance while applying anchored force due to it, is often difficult to record desirable stratum settling data for soft clay area.
Summary of the invention
Object of the present invention is exactly to provide a kind of multi-functional multiple position extensometer anchor head that can simultaneously measure test section settling amount, underground water pore water pressure, soil pressure and ground temperature in order to overcome the defect that above-mentioned prior art exists.
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 located on turning cylinder, and upper frame and underframe are simultaneously hinged with anchoring measuring equipment;
Rotate driving lever, drive follower lever 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, anchoring measuring equipment is pressed in the soil body, after measurement, counter-rotation driving lever is regained anchoring measuring equipment.
Described load transfer device comprises successively two helical gears and two helical gears that connect, thus driving lever by two helical gears and two helical gears by vertical to twisting resistance change level into and rotate to twisting resistance drive follower 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 two threaded sleeve rod of working in coordination.
Described anchoring measuring equipment comprises multiple anchor heads and is located at the measuring apparatus in anchor head, and described measuring apparatus is to install by free loading and unloading type, can selectively install 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 at respectively in three anchor heads.
Three anchor heads are evenly arranged on driving lever is circumferential.
Described anchor head sidewall is provided with is convenient to the opening that measuring apparatus contacts with surrounding soil, underground water, in the process that is pressed into the soil body, can protect internal measurement instrument.
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 the screw rod mode that links, anchor head is pressed in the boring soil body, obtain test section stratum settlement amount, pore water pressure, soil pressure and ground temperature by measuring apparatus (osmometer, earth pressure gauge and thermometer), for base pit engineering, underground construction and slope project phase of exploration and construction and excavation process provide detection data.
Compared with prior art, the present invention has the following advantages:
1, can measure test section settling amount, underground water pore water pressure, soil pressure and ground temperature 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 are counted movable part, can independently select to install according to requirement of engineering;
4, device uses later recyclable.
Accompanying drawing explanation
Fig. 1 is that multiple position extensometer anchor head of the present invention opens schematic diagram;
Fig. 2 is the closed schematic diagram of multiple position extensometer anchor head of the present invention;
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.
The specific embodiment
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 and one end of 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, upper frame 51 and underframe 52 are simultaneously hinged with anchoring measuring equipment, anchoring measuring equipment comprises multiple anchor heads 6 and is located at the measuring apparatus 7 in anchor head 6, and measuring apparatus 7 is to install by free loading and unloading type, can selectively install 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 at respectively in three anchor heads 6.Three anchor heads 6 are evenly arranged on driving lever 1 is circumferential.Anchor head 6 sidewalls are provided with is convenient to the opening that measuring apparatus 7 contacts with surrounding soil 8, underground water, in the process that is pressed into the soil body 8, can protect internal measurement instrument 7.Rotate driving lever 1, driven follower lever 4 to rotate and frame construction 5 is shunk by load transfer device 3, the contraction of the rotation of follower lever 4 and frame construction 5 drives anchoring measuring equipment horizontal direction to move, and anchoring measuring equipment is pressed in the soil body 8.
As shown in Figure 5, load transfer device 3 comprises that the first helical gear 31, the second helical gear 32, the first helical gear 33 and the second helical gear 34, the first helical gears 31 that connect successively connect driving lever 1, the second helical gear 34 and connect follower lever 4 to the structure of load transfer device 3; Thereby driving lever 1 successively by the first helical gear 31, the second helical gear 32, the first helical gear 33 and the second helical gear 34 by vertical to twisting resistance change level into and drive follower lever 4 to rotate to twisting resistance.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 distances, 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.
Claims (9)
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 located on turning cylinder, and upper frame and underframe are simultaneously hinged with anchoring measuring equipment;
Rotate driving lever, drive follower lever 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, anchoring measuring equipment is pressed in the soil body, after measurement, counter-rotation driving lever is regained anchoring measuring equipment.
2. the multi-functional multiple position extensometer anchor head of one according to claim 1, it is characterized in that, described load transfer device comprises successively two helical gears and two helical gears that connect, thus driving lever by two helical gears and two helical gears by vertical to twisting resistance change level into and rotate to twisting resistance drive follower lever.
3. the multi-functional multiple position extensometer anchor head of one according to claim 2, is characterized in that, two described helical gears are the helical gear of 45 °.
4. the multi-functional multiple position extensometer anchor head of one according to claim 1, is characterized in that, described follower lever is made up of two threaded sleeve rod of working in coordination.
5. the multi-functional multiple position extensometer anchor head of one according to claim 1, is characterized in that, described anchoring measuring equipment comprises multiple anchor heads and be located at the measuring apparatus in anchor head, and described measuring apparatus is to install by free loading and unloading type.
6. the multi-functional multiple position extensometer anchor head of one according to claim 5, is characterized in that, described measuring apparatus comprises osmometer, earth pressure gauge and thermometer, and osmometer, earth pressure gauge and thermometer are located at respectively in three anchor heads.
7. the multi-functional multiple position extensometer anchor head of one according to claim 6, is characterized in that, three anchor heads are evenly arranged on driving lever is circumferential.
8. the multi-functional multiple position extensometer anchor head of one according to claim 5, is characterized in that, described anchor head sidewall is provided with is convenient to the opening that measuring apparatus contacts with surrounding soil, underground water.
9. the multi-functional multiple position extensometer anchor head of one according to claim 5, 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.
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CN201210468811.5A CN103821125B (en) | 2012-11-19 | 2012-11-19 | A kind of multi-functional multiple position extensometer anchor head |
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CN201210468811.5A CN103821125B (en) | 2012-11-19 | 2012-11-19 | A kind of multi-functional multiple position extensometer anchor head |
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CN103821125A true CN103821125A (en) | 2014-05-28 |
CN103821125B CN103821125B (en) | 2016-01-20 |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104499511A (en) * | 2014-11-27 | 2015-04-08 | 同济大学 | Spring-arm-type multi-point displacement meter anchor head for soft soil ground layer |
CN104499474A (en) * | 2014-11-27 | 2015-04-08 | 同济大学 | Folded vane type multipoint displacement meter anchor head |
CN104532815A (en) * | 2014-11-27 | 2015-04-22 | 同济大学 | Telescopic arm type multi-point displacement meter anchor head applied to soft soil stratum |
CN104612124A (en) * | 2014-11-27 | 2015-05-13 | 同济大学 | Vane type multipoint displacement meter anchor head |
CN107882010A (en) * | 2017-09-26 | 2018-04-06 | 武汉港湾工程质量检测有限公司 | The measurement apparatus 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 (4)
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JP2001208622A (en) * | 2000-01-28 | 2001-08-03 | Natl Inst Of Advanced Industrial Science & Technology Meti | Displacement measuring instrument |
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 |
-
2012
- 2012-11-19 CN CN201210468811.5A patent/CN103821125B/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2001208622A (en) * | 2000-01-28 | 2001-08-03 | Natl Inst Of Advanced Industrial Science & Technology Meti | Displacement measuring instrument |
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 |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104499511A (en) * | 2014-11-27 | 2015-04-08 | 同济大学 | Spring-arm-type multi-point displacement meter anchor head for soft soil ground layer |
CN104499474A (en) * | 2014-11-27 | 2015-04-08 | 同济大学 | Folded vane type multipoint displacement meter anchor head |
CN104532815A (en) * | 2014-11-27 | 2015-04-22 | 同济大学 | Telescopic arm type multi-point displacement meter anchor head applied to soft soil stratum |
CN104612124A (en) * | 2014-11-27 | 2015-05-13 | 同济大学 | 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 |
CN104499474B (en) * | 2014-11-27 | 2016-08-17 | 同济大学 | A kind of folding blade-type multipoint displacement meter anchor head |
CN104612124B (en) * | 2014-11-27 | 2016-08-24 | 同济大学 | A kind of vane type multipoint displacement meter anchor head |
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 |
CN107882010A (en) * | 2017-09-26 | 2018-04-06 | 武汉港湾工程质量检测有限公司 | The measurement apparatus and its application method of soil body deep settlement |
CN107882010B (en) * | 2017-09-26 | 2019-06-04 | 武汉港湾工程质量检测有限公司 | Measuring device for deep settlement of soil body and using method thereof |
CN114606936A (en) * | 2022-01-20 | 2022-06-10 | 扬州大学 | Self-expanding type expansion recoverable anchor rod |
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CN103821125B (en) | 2016-01-20 |
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