CN203422289U - Vane shearing test loading device - Google Patents
Vane shearing test loading device Download PDFInfo
- Publication number
- CN203422289U CN203422289U CN201320503668.9U CN201320503668U CN203422289U CN 203422289 U CN203422289 U CN 203422289U CN 201320503668 U CN201320503668 U CN 201320503668U CN 203422289 U CN203422289 U CN 203422289U
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- shear test
- torque sensor
- vane shear
- charger according
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The utility model provides a vane shearing test loading device, which comprises a drive part, a ranging part and a control part, wherein the drive part and the ranging part are respectively connected with the control part through a signal control connection wire; the entire device is connected with an external power supply through a power supply wire, both a stepper motor and a controller are respectively fixed on a soleplate, a supporting bearing and a bearing sleeve are fixed on the soleplate through a supporting seat, and the soleplate is provided with a protection cover. The vane shearing test loading device has beneficial effects that the drive device is integrated with a measure and reading device, the size is small, the weight is low, easiness in handling is realized, the cable connection in the traditional electric-measurement instrument is saved, the testing efficiency is improved, the data drift is overcome, the reading error caused by manual shaking existed in a mechanical instrument is eliminated, the loading speed is stable, the test data is accurate, few influencing factors exist, and the application range is wide. The test data of different soft-soil layers of different intensities can be accurately measured. The vane shearing test loading device is suitable for test detection in the exploration of different watershed projects and particularly suitable for the detection of geological survey of ocean projects by adopting a shipborne exploration platform.
Description
Technical field
The utility model equipment is a kind of engineering geological investigation in-situ test equipment that is applied to waters, land-based area, the vane shear test charger that can measure the shearing strength of soft clay.
Background technology
In the water areas project projects such as harbour, water conservancy, highway, bridge, man-made island, the shearing strength of soft soil foundation is a very important engineering objective.The surveying instrument of this index is had to plurality of devices at present both at home and abroad, be totally divided into two kinds of mechanical type and electric measuring types: mechanical type adopts manpower hand, artificial reading, shakes speed unstable, and reading error is large; The sensor of electric measuring type, at wrench place, is connected with outside by the cable through drilling rod, when MTD is darker, needs frequently in drilling rod, to connect cable, and complex operation, wastes time and energy, and the many operations under underground water table of sensor, and data drift is serious.So current traditional equipment, practical ranges is very limited, be especially subject under the water environment that wave, water currents are larger, and the discrete or distortion mostly of its measured value, inefficiency, test error is large.
Summary of the invention
The purpose of this utility model is to provide a kind of vane shear test charger, can be in test is sheared, particularly in the test of waterside town prospecting is sheared, effectively reduce test error, improve test accuracy, reduce extraneous factor impact, widen test usable range.
For achieving the above object, the technical solution adopted in the utility model is to provide a kind of vane shear test charger, wherein: this device comprises three parts: drive part, survey square part and control section, drive part is connected with control section by signal controlling connecting line respectively with survey square part; Drive part includes stepper motor, worm screw, worm gear; survey square and partly include torque sensor, axostylus axostyle, pin key, spring bearing and bearing holder (housing, cover); control section includes controller, display screen and control knob; whole device is connected with external power source by power lead; described stepper motor, controller are all fixed on base plate; described spring bearing and bearing holder (housing, cover) are fixed on base plate by bearing, are provided with protective cover on base plate.
Effect of the present utility model is to use this device, with motor, drives replacement manually hand, with automatically surveying and read to replace artificial reading, drive unit is integrated in to a place with surveying read apparatus, and volume is little, lightweight, be easy to carrying, the cable of removing from traditional electric measuring type instrument connects, and has improved test efficiency, overcome data drift, error while having eliminated the hand reading of mechanical type instrument manpower, rate of loading is stable, and test figure is accurate, influence factor is few, applied widely.This equipment can depart from test platform waterborne, can with sleeve pipe separate connection, guaranteeing, under the condition of code requirement, can to carry out vane-shear in-situ test at the Soft Soil Layer of different condition, can accurately measure the test figure of varying strength Soft Soil Layer.The test that this device is suitable in various water areas project prospectings detects, and particularly adopts boat-carrying survey platform to carry out the project of marine site engineering geological investigation.
Accompanying drawing explanation
Fig. 1 is the utility model electric vane shear test charger structural representation;
Fig. 2 is the side view of Fig. 1;
Fig. 3 is for adopting electric shearing test device of cross plate test operation schematic diagram;
In figure:
1, stepper motor 2, torque sensor 3, controller 4, worm screw 5, worm gear
6, axostylus axostyle 7, display screen and control knob 8, signal controlling connecting line
9, power lead 10, base plate 11, protective cover 12, spring bearing and bearing holder (housing, cover)
13, pin key 14, bearing 15, counter-force bar insert cover 16, counter-force bar
17, sleeve pipe 18, drilling rod 19, cross wrench 20, specialized barrel adaptation are emitted
Embodiment
By reference to the accompanying drawings the structure of vane shear test charger of the present utility model is further illustrated.
Vane shear test charger design philosophy of the present utility model is by stepper motor, to realize the at the uniform velocity stable transfer to moment of torsion, to overcome the hand instability of traditional mechanical type manpower.Stepper motor is connected with computer controller, by parameter setting, can be controlled its rotating speed and be turned to.Axle place, pavilion in the middle of stepper motor transfers torque to by worm and wormwheel.This device replaces steel loop, the dial gauge of legacy equipment with torque sensor, eliminated the error of artificial reading, and sensor is placed in outside boring, and the cable that has overcome traditional electric measuring type equipment connects and data drift, has improved the efficiency of test and the accuracy of data.The controller of this device is comprised of computer chip, mainboard, display screen and control knob or touch-screen, storage card etc., by the control knob on display screen panel or touch-screen, parameters, control the rotating speed of motor and turn to, the detection data that torque sensor is sent are shown in display screen, and stores synchronized is in extrapolation storage card, make like this testing crew both can show that data carried out paper record according to display screen, also available computers direct reading out data from external connection of storage card, easy and simple to handle, data are reliable.Controller external power supply is 24V～36V direct supply, can be provided by large capacity battery, or be provided from 220V AC power by power supply adaptor, applied widely.Controller is responsible for providing power supply to stepper motor and torque sensor.This installs each device expansion intersection and is formed on a base plate, and volume is little, lightweight, and carrying is easy to carry.
As shown in Figure 1, vane shear test charger of the present utility model, this device comprises three parts: drive part, survey square part and control section, drive part is connected with control section by signal controlling connecting line 8 respectively with survey square part; Drive part includes stepper motor 1, worm screw 4, worm gear 5, survey square and partly include torque sensor 2, axostylus axostyle 6, pin key 13, spring bearing and bearing holder (housing, cover) 12, control section includes controller 3, display screen and control knob 7, whole device is connected with external power source by power lead 9, described power lead 9 to connect external power supply be 24V～36V direct supply.
Described stepper motor 1, controller 3 are all fixed on base plate 10, and described spring bearing and bearing holder (housing, cover) 12 are fixed on base plate 10 by bearing 14, are provided with protective cover 11 on base plate 10.Described protective cover 11 is provided with perforate near axostylus axostyle 6 positions, and protective cover 11 is the transparent window that soft transparent material is made near display screen and control knob 7 positions.At the place, four jiaos of bottoms of described base plate 10, be provided with counter-force bar and insert cover 15, it is circular or square that counter-force bar inserts cover 15 cross sections.
Stepper motor 1 connecting worm 4 of described drive part, worm gear 5 and worm screw 4 engagements, worm gear 5 is provided with torque sensor 2, and is connected on axostylus axostyle 6 by pin key 13, and axostylus axostyle 6 is fixed on spring bearing and bearing holder (housing, cover) 12; Described controller 3 is provided with display screen and control knob 7.Described torque sensor 2 is the torque sensor of disc type middle with hole, and the lower wall of torque sensor 2 and worm gear 5 are affixed, and in the middle of the upper dish of torque sensor 2, pore area pin key groove, affixed by pin key 13 and axostylus axostyle 6.Described pin key 13 is the plug type pin key plugging at any time.
The periphery of described controller 3 is provided with seal closure, and the bottom of controller 3 is provided with the rubber washer of shock-absorbing, on display screen and control knob 7, is provided with storage card interface.Display screen and control knob 7 are integration-in-one touch-screen.
Vane shear test charger function of the present utility model is achieved in that
This device, by the control knob 7 on described display screen panel, can arrange input parameter, thereby the rotating speed by controller 3 control step motors 1, turns to, and then realizes the rotating speed of axostylus axostyle 6 and the control that turns to.Described stepper motor 1 drives worm gear 5,5 times termination spring bearings of described worm gear and bearing holder (housing, cover) 12, the affixed torque sensor 2 in upper end by worm screw 4.Described torque sensor 2 is a disc type middle with hole torque sensor, the signal of the affixed worm gear 5 of its lower wall, upper dish is by pin key groove and the affixed axostylus axostyle 6 of pin key 13, for convenience of pin key 13 plugs, and the upper dish middle circle bore edges of described torque sensor 23 the pin key grooves that are equally spaced.The rotation of described worm gear 5 drives the rotation of torque sensor 2, and then the rotation of drive shaft rod 6.
Moment, the rotating speed of 2 pairs of axostylus axostyles 6 of described torque sensor carry out Real-Time Monitoring, and by signal controlling connecting line 8, detection data are sent to controller 3 in real time.Controller 3 receives the data that signal controlling connecting line 8 sends in real time, and it is carried out to rough handling, result data are shown on display screen and control knob 7 in real time, and stores synchronized is on external connection of storage card.
Described controller 3 carries a seal closure, and by power lead 9 access external power sources, external power supply is 24V～36V direct supply, can be provided by large capacity battery, or provided from 220V AC power place by power supply adaptor, visual actual conditions access, applied widely.3 pairs of stepper motors 1 of controller, torque sensor 2 provide power supply.Described controller 3, display screen and control knob 7 are fixedly connected with base plate 10 by bearing 14 with base plate 10, and adopt rubber washer shock-absorbing.Described display screen and control knob 7 band storage card interfaces.
10 times four jiaos of places of described base plate, weld 4 cross sections and overlap 15 for circular or square tubulose counter-force bar inserts, in order to insert counter-force bar.
As shown in Figure 2, the utility model vane shear test charger in use, is connected to vane shear test charger on the adaptive cap 20 of specialized barrel on sleeve pipe 17 tops, and connected mode adopts plug-in.The axostylus axostyle with pin key groove 6 is passed at the adaptive cap 20 of described specialized barrel and charger center, axostylus axostyle 6 lower end stacks 18, the directed guide rod of 18 times terminations of drilling rod and cross wrench 19.The axostylus axostyle pin key groove that aligns during test, inserts pin key, starts stepper motor 1, and stepper motor 1 drive shaft rod 6 rotates with 0.1 °/s speed, and axostylus axostyle 6 drives drilling rods 18 and cross wrench 19 to rotate, thereby realizes the shearing to test soil layer.The rotating torque of axostylus axostyle 6 is sent to controller 3 in real time by torque sensor 2, and 3 pairs of controllers transmission data are processed, and simultaneous display is to the control knob 7 on panel plate and be stored in extrapolation storage card.By the processing to surveyed spindle rotation moment data, by certain conversion relation, can draw the shearing strength of the test soil body.
The general operation step of the utility model vane shear test charger is as follows:
(1) running casing, carries out hole clearly if desired;
(2) connect cross wrench, drilling rod, be lowered at the bottom of hole and test soil layer, terminal strip pin key fluted shaft bar on drilling rod, axostylus axostyle stretches in certain length outside sleeve pipe upper end outward;
(3) the adaptive cap of specialized barrel and electric vane shear test charger are installed, and axostylus axostyle is passed from its medium pore;
(4) adjust charger orientation, made it reasonable counter-force point, and inserted counter-force bar;
(5) starter motor, micromatic setting corner, alignment axis of centres lever pin keyway, inserts pin key;
(6) instrument initialization zero clearing, then carries out shear test.Test rate is pressed regulation and stipulation and is automatically set when instrument initialization.Test is complete unloads charger, and it is carried out to necessary wiping maintenance, is then packed into specialized package tote box.
The feature of the utility model vane shear test charger is:
(1) loading speed is stable, and test data is accurate;
(2) can independently be arranged on the sleeve pipe of testing site, reduce surrounding environment influence;
(3) adopt motor to drive, can measure the shearing strength of the weak stickiness soil layer of varying strength, applied widely;
(4) volume is little, lightweight, installs simple, easy to maintenance;
(5) can meet the weak soil in situ detection needs of the multiple industries such as harbour, water conservancy, highway, railway, bridge, man-made island, applied widely, work efficiency is high.
Claims (9)
1. a vane shear test charger, is characterized in that: this device comprises three parts: drive part, survey square part and control section, drive part with survey square and partly by signal controlling connecting line (8), be connected with control section respectively, drive part includes stepper motor (1), worm screw (4), worm gear (5), survey square and partly include torque sensor (2), axostylus axostyle (6), pin key (13), spring bearing and bearing holder (housing, cover) (12), control section includes controller (3), display screen and control knob (7), whole device is connected with external power source by power lead (9), described stepper motor (1), controller (3) is all fixed on base plate (10), described spring bearing and bearing holder (housing, cover) (12) are fixed on base plate (10) by bearing (14), on base plate (10), be provided with protective cover (11).
2. vane shear test charger according to claim 1, it is characterized in that: the stepper motor of described drive part (1) connecting worm (4), worm gear (5) and worm screw (4) engagement, worm gear (5) is provided with torque sensor (2), and it is upper to be connected to axostylus axostyle (6) by pin key (13), axostylus axostyle (6) is fixed on spring bearing and bearing holder (housing, cover) (12); Described controller (3) is provided with display screen and control knob (7).
3. vane shear test charger according to claim 1, it is characterized in that: the periphery of described controller (3) is provided with seal closure, the bottom of controller (3) is provided with the rubber washer of shock-absorbing, on display screen and control knob (7), is provided with storage card interface.
4. vane shear test charger according to claim 1, is characterized in that: described power lead (9) to connect external power supply be 24V～36V direct supply.
5. vane shear test charger according to claim 1, it is characterized in that: described torque sensor (2) is the torque sensor of disc type middle with hole, the lower wall of torque sensor (2) and worm gear (5) are affixed, in the middle of the upper dish of torque sensor (2), pore area pin key groove, affixed by pin key (13) and axostylus axostyle (6).
6. vane shear test charger according to claim 1, is characterized in that: at the place, four jiaos of bottoms of described base plate (10), be provided with counter-force bar and insert cover (15), it is circular or square that counter-force bar inserts cover (15) cross section.
7. vane shear test charger according to claim 1, is characterized in that: the plug type pin key of described pin key (13) for plugging at any time.
8. vane shear test charger according to claim 1; it is characterized in that: described protective cover (11) is provided with perforate near axostylus axostyle (6) position, protective cover (11) is the transparent window that soft transparent material is made near display screen and control knob (7) position.
9. vane shear test charger according to claim 1, is characterized in that: described display screen and control knob (7) are integration-in-one touch-screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320503668.9U CN203422289U (en) | 2013-08-16 | 2013-08-16 | Vane shearing test loading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320503668.9U CN203422289U (en) | 2013-08-16 | 2013-08-16 | Vane shearing test loading device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203422289U true CN203422289U (en) | 2014-02-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320503668.9U Expired - Lifetime CN203422289U (en) | 2013-08-16 | 2013-08-16 | Vane shearing test loading device |
Country Status (1)
| Country | Link |
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| CN (1) | CN203422289U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103424317A (en) * | 2013-08-16 | 2013-12-04 | 中交第一航务工程勘察设计院有限公司 | Vane shear test loading device |
| CN104089832A (en) * | 2014-07-24 | 2014-10-08 | 中国计量学院 | Cross plate-based in-situ real-time remote measurement system for shear strength of soil body |
-
2013
- 2013-08-16 CN CN201320503668.9U patent/CN203422289U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103424317A (en) * | 2013-08-16 | 2013-12-04 | 中交第一航务工程勘察设计院有限公司 | Vane shear test loading device |
| CN104089832A (en) * | 2014-07-24 | 2014-10-08 | 中国计量学院 | Cross plate-based in-situ real-time remote measurement system for shear strength of soil body |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140205 |