CN206157791U - Be applied to static test's datum line and displacement measurement device - Google Patents

Be applied to static test's datum line and displacement measurement device Download PDF

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Publication number
CN206157791U
CN206157791U CN201621227517.5U CN201621227517U CN206157791U CN 206157791 U CN206157791 U CN 206157791U CN 201621227517 U CN201621227517 U CN 201621227517U CN 206157791 U CN206157791 U CN 206157791U
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CN
China
Prior art keywords
wire rope
steel wire
static test
displacement
datum line
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.)
Expired - Fee Related
Application number
CN201621227517.5U
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Chinese (zh)
Inventor
陈鹭琳
肖健友
张勇
张八芳
孙雪峰
吴飚
林钦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jianyan Detection Group Co ltd
Original Assignee
Xiamen Building Engineering Detection Center Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Xiamen Building Engineering Detection Center Co Ltd filed Critical Xiamen Building Engineering Detection Center Co Ltd
Priority to CN201621227517.5U priority Critical patent/CN206157791U/en
Application granted granted Critical
Publication of CN206157791U publication Critical patent/CN206157791U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a be applied to static test's datum line and displacement measurement device, through setting up datum line subassembly and displacement measuring device, wherein the datum line subassembly includes two fixed pulleys, wire rope, two balancing weights and two benchmark stakes, the reliability that wire rope can further be guaranteed in the take -up is carried out through the weight of balancing weight in the wire rope both ends, and the width in groove and wire rope's thickness phase -match are established in winding of fixed pulley, it slides to make wire rope can not produce when static test, further guarantee wire rope's stability and the accuracy that the displacement was measurationed, and simultaneously, it is little that whole device has the dead weight, economize the material, the amount of deflection is little, the span is big, on -the -spot simple installation is quick, low cost and one roaster with multifunction, large -diameter pile or the stake of large -tonnage static test benchmark can be ensured and the stake is examined, distance between the anchor log center (or ballast platform buttress limit) satisfies standardizes the requirement, and broad market prospect.

Description

It is applied to the datum line and displacement measuring device of static test
Technical field
The utility model is related to foundation detection Static Test Technique field, especially a kind of static test that is applied to Datum line and displacement measuring device.
Background technology
Static test is to determine that foundation bearing capacity is most directly perceived, most reliable detection method, common at home at present Using.When static test is carried out, the foundation soil around test pile, anchoring pile or ballast platform buttress occurs sedimentation or swells change Shape.If the setting of reference stake from the distance between test pile or anchoring pile center (ballast platform buttress side) excessively close to, reference stake can be with The sedimentation of periphery foundation soil or protuberance and and then rise or sink, and be placed on the datum line beam on reference stake also can be with reference stake Rise or sink, due to conventional static test is to measure the displacement between foundation pile and datum line beam, and the displacement that datum line beam occurs will The accuracy for affecting static test displacement to measure, or even static test displacement measurement serious distortion is made, and then cause static load to be tried Test failure.
《Architecture foundation pile inspection specifications》(JGJ106-2014) " test pile, anchoring pile center (ballast platform buttress side) are specified Centre distance and reference stake between answers >=4 (3) D and > 2.0m ".For major diameter large-tonnage static test, reference stake and examination The required distance at stake and anchoring pile center (ballast platform buttress side) is farther, and the distance that reference stake is arranged is remote, and the span of datum line beam is big , it is higher to the rigidity requirement of datum line beam itself.Current solution datum line beam mainly by making truss-like or assembling Formula is meeting the requirement of rigidity, but the defect of this mode is exactly clearly that datum line beam equipment is heavy, installs complicated, time-consuming to take Power, while depth of burying to reference stake etc. has higher requirement.
Utility model content
In order to solve the above-mentioned problems in the prior art, the utility model provides a kind of simple structure, equipment lightly, In-site installation is easy quick and disclosure satisfy that a kind of datum line for being applied to static test and the displacement of static test safety standard Measurement apparatus.
The technical scheme that the utility model is provided is as follows:A kind of datum line for being applied to static test and displacement measurement are filled Put, including benchmark line component and displacement measuring means, the benchmark line component includes two fixed pulleys, steel wire rope, two counterweights Block and two reference stakes, described two reference stakes are fixed on respectively the external both sides of tested engineering structure, described two to determine cunning Wheel is separately mounted on described two reference stakes, the described two fixed pulleys of the steel wire penetrating, described two balancing weights difference Hang and be located at the two ends of the steel wire rope so that the steel wire rope is tightened between described two fixed pulleys stretches, the displacement is measured Device one end is fixed on the stage casing of the steel wire rope and the other end is fixed in static test displacement measurement platform, the steel wire rope As the datum line of static test displacement measurement, the displacement measuring means be used to measuring the displacement of the displacement measurement platform from And complete static test displacement measurement.
In preferred embodiment of the present utility model, the displacement measuring means are set to draw-wire displacement sensor.
In preferred embodiment of the present utility model, between the steel wire rope two ends and the balancing weight safety is provided with Button, the safety buckle locks the balancing weight at the two ends of the steel wire rope.
In preferred embodiment of the present utility model, the straight segment length of the steel wire rope is set to 16 meters~20 meters.
In preferred embodiment of the present utility model, the straight segment length of the steel wire rope is set to 16 meters~30 meters.
In preferred embodiment of the present utility model, the weight of described two balancing weights is identical, described two balancing weights Weight is arranged not less than 20kg.
In preferred embodiment of the present utility model, steel wire rope described in winding is provided with winding groove on the fixed pulley, The external diameter of the width correspondence steel wire rope of the winding groove is arranged.
In preferred embodiment of the present utility model, described displacement measuring means one end is bolted in the steel The stage casing of cord and the other end is fixed in static test displacement measurement platform by magnetic absorbing seat instrument.
The utility model produce beneficial effect be:The datum line for being applied to static test and position in the utility model Measuring system includes two fixed pulleys, steel wires by arranging benchmark line component and displacement measuring means, wherein benchmark line component Rope, two balancing weights and two reference stakes, the length of steel wire rope flat segments can make 16 meters~20 meters, make to be fixed under fixed pulley The position of reference stake the requirement of the displacement accuracy in measurement that can meet static test safety standard is set, steel wire rope two ends are by matching somebody with somebody The weight of pouring weight carries out tensing the reliability that can be further ensured that steel wire rope, and the width of the winding groove of fixed pulley and steel wire rope Thickness matches, and makes steel wire rope that sliding will not be produced in static test, is further ensured that the stability and displacement of steel wire rope The accuracy of survey, meanwhile, whole device is little with deadweight, and material-saving, amount of deflection is little, and span is big, and in-site installation is easy to be quick, low cost Advantage, it can be ensured that large diameter pile or large-tonnage static test reference stake with by inspection stake, anchoring pile center (or ballast platform buttress Side) the distance between meet code requirement, with wide market prospects.
Description of the drawings
Fig. 1 is the structure for being applied to whole device in the datum line of static test and displacement measuring device of the present utility model Schematic diagram.
Specific embodiment
Referring to Fig. 1, the datum line and displacement measuring device that are applied to static test include benchmark line component 10 and displacement Measuring equipment 20, benchmark line component 10 includes two fixed pulleys 11,12, two balancing weights 13 of steel wire rope and two reference stakes 15, Two reference stakes 15 are fixed on respectively the external both sides of tested engineering structure, and two fixed pulleys 11 are separately mounted to two benchmark In stake 15, steel wire rope 12 passes through two fixed pulleys 11, and winding steel wire rope 12 is provided with winding groove (not shown) on fixed pulley 11, The external diameter of the width correspondence steel wire rope 12 of winding groove is arranged so that steel wire rope 12 will not produce sliding in static test, enter one Step ensures the accuracy that the stability of steel wire rope 12 and displacement are measured, and two balancing weights 13 hang respectively the two ends for being located at steel wire rope 12 So that steel wire rope 12 is tightened between two fixed pulleys 11 stretching, between the two ends of steel wire rope 12 and balancing weight 13 safety buckle is provided with 16, safety buckle 16 locks balancing weight 13 at the two ends of steel wire rope 12, and the weight of two balancing weights 13 is identical, two balancing weights 13 Weight arrange not less than 20kg, the setting of balancing weight 13 can make steel wire rope 12 keep tensioning straight, tight, be unlikely to deform, The reliability of steel wire rope 12 can be further ensured that, the straight segment length of steel wire rope 12 is set to 16 meters~20 meters, or even longer, example Such as 16 meters~30 meters so that the set location of 11 times reference stakes of fixed pulley 15 can meet the requirement of the displacement accuracy in measurement of specification, Displacement measuring means 20 are set to draw-wire displacement sensor, and the one end of displacement measuring means 20 is connected to by bolt (not shown) In the stage casing of steel wire rope 12, the other end is fixed on static test displacement measurement platform and (schemes not by magnetic absorbing seat instrument (not shown) Show) on, steel wire rope 12 as static test displacement measurement datum line, displacement measuring means 20 be used for measure displacement measurement platform Displacement so as to complete static test displacement measure.
When using, first reference stake 15 is fixedly installed on into satisfaction《Architecture foundation pile inspection specifications》The position of required distance Put, then fixed pulley 11 is fixedly connected with reference stake 15, the steel wire rope 12 of a moderate length is surveyed as static test displacement The datum line (equivalent to datum line beam) of amount, is wound on fixed pulley 11, and balancing weight 13 is locked in steel wire rope 14 by safety buckle 16 Two ends, the weight of balancing weight 13 should make the tensioning of steel wire rope 12 straight, tight, be unlikely to deform.
In sum, the datum line and displacement measuring device that are applied to static test in the utility model is by arranging base Directrix component 10 and displacement measuring means 20, wherein benchmark line component 10 include two fixed pulleys 11,12, two counterweights of steel wire rope Block 13 and two reference stakes 15, the length of the flat segments of steel wire rope 12 can make 16 meters~20 meters, make to be fixed under fixed pulley 11 The position of reference stake 15 arranges the requirement of the displacement accuracy in measurement that can meet static test safety standard, and the two ends of steel wire rope 12 pass through The weight of balancing weight 13 carries out tensing can be further ensured that the reliability of steel wire rope 12, and the width of the winding groove of fixed pulley 11 with The thickness of steel wire rope 12 matches, and makes steel wire rope 12 that sliding will not be produced in static test, is further ensured that the steady of steel wire rope The accuracy that qualitative and displacement is measured, meanwhile, whole device is little with deadweight, and material-saving, amount of deflection is little, and span is big, in-site installation letter Just it is quick, the advantage of low cost, it can be ensured that large diameter pile or large-tonnage static test reference stake with by inspection stake, anchoring pile center The distance between (or ballast platform buttress side) meets code requirement, with wide market prospects.
A specific embodiment of the present utility model is above are only, but design concept of the present utility model is not limited to This, all changes for carrying out unsubstantiality to the utility model using this design all should belong to infringement the utility model protection domain Behavior.

Claims (8)

1. a kind of datum line and displacement measuring device for being applied to static test, it is characterised in that:Including benchmark line component and position Move measuring equipment, the benchmark line component include two fixed pulleys, steel wire rope, two balancing weights and two reference stakes, described two Individual reference stake is fixed on respectively the external both sides of tested engineering structure, and described two fixed pulleys are separately mounted to described two bases In quasi- stake, the described two fixed pulleys of the steel wire penetrating, described two balancing weights hang respectively the two ends for being located at the steel wire rope So that the steel wire rope is tightened between described two fixed pulleys stretching, described displacement measuring means one end is fixed on the steel wire The stage casing of rope and the other end is fixed in static test displacement measurement platform, the steel wire rope is used as static test displacement measurement Datum line, the displacement measuring means are used to measure the displacement of the displacement measurement platform so as to complete static test displacement Survey.
2. the datum line and displacement measuring device for being applied to static test according to claim 1, it is characterised in that:It is described Displacement measuring means are set to draw-wire displacement sensor.
3. the datum line and displacement measuring device for being applied to static test according to claim 1, it is characterised in that:It is described Safety buckle is provided between steel wire rope two ends and the balancing weight, the safety buckle locks the balancing weight in the steel wire rope Two ends.
4. the datum line and displacement measuring device for being applied to static test according to claim 1, it is characterised in that:It is described The straight segment length of steel wire rope is set to 16 meters~20 meters.
5. the datum line and displacement measuring device for being applied to static test according to claim 1, it is characterised in that:It is described The straight segment length of steel wire rope is set to 16 meters~30 meters.
6. the datum line and displacement measuring device for being applied to static test according to claim 1, it is characterised in that:It is described The weight of two balancing weights is identical, and the weight of described two balancing weights is arranged not less than 20kg.
7. the datum line and displacement measuring device for being applied to static test according to claim 1, it is characterised in that:It is described Steel wire rope described in winding is provided with winding groove on fixed pulley, the external diameter of the width correspondence steel wire rope of the winding groove sets Put.
8. the datum line and displacement measuring device for being applied to static test according to claim 1, it is characterised in that:It is described Displacement measuring means one end is bolted in the stage casing of the steel wire rope that the other end is fixed on by magnetic absorbing seat instrument In static test displacement measurement platform.
CN201621227517.5U 2016-11-15 2016-11-15 Be applied to static test's datum line and displacement measurement device Expired - Fee Related CN206157791U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621227517.5U CN206157791U (en) 2016-11-15 2016-11-15 Be applied to static test's datum line and displacement measurement device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621227517.5U CN206157791U (en) 2016-11-15 2016-11-15 Be applied to static test's datum line and displacement measurement device

Publications (1)

Publication Number Publication Date
CN206157791U true CN206157791U (en) 2017-05-10

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110158979A (en) * 2019-06-19 2019-08-23 北京蓝天未来科技有限公司 A kind of self-balancing sunshade canopy of the heavens

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110158979A (en) * 2019-06-19 2019-08-23 北京蓝天未来科技有限公司 A kind of self-balancing sunshade canopy of the heavens

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GR01 Patent grant
GR01 Patent grant
CP01 Change in the name or title of a patent holder
CP01 Change in the name or title of a patent holder

Address after: Ten, 361000 floor, No. 62 Hubin South Road, Fujian, Xiamen

Patentee after: JIANYAN DETECTION GROUP Co.,Ltd.

Address before: Ten, 361000 floor, No. 62 Hubin South Road, Fujian, Xiamen

Patentee before: XIAMEN ENGINEERING INSPECTION CENTER CO.,LTD.

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170510