CN206941664U - Counter pull type foundation pile static loading test reaction frame - Google Patents
Counter pull type foundation pile static loading test reaction frame Download PDFInfo
- Publication number
- CN206941664U CN206941664U CN201720320268.2U CN201720320268U CN206941664U CN 206941664 U CN206941664 U CN 206941664U CN 201720320268 U CN201720320268 U CN 201720320268U CN 206941664 U CN206941664 U CN 206941664U
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- China
- Prior art keywords
- girder
- secondary beam
- pull bar
- foundation pile
- loading test
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Abstract
The utility model discloses a kind of counter pull type foundation pile static loading test reaction frame, belong to foundation pile static loading test technical field, aim to provide a kind of counter pull type foundation pile static loading test reaction frame, the advantages of increasing security with the height for reducing buttress, its drip irrigation device is the upper end that the girder is located at secondary beam, the girder lower end is provided with the jack contradicted with ground, so more than two pull bars straight down are equipped with girder, described pull bar one end passes girder lower end and extends to the lower end of secondary beam in the one end passed, the other end extends to the upper end of girder, the pull bar is connected in the one end for stretching out secondary beam lower end by the arm-tie contradicted with secondary beam lower end, the pull bar is provided with the limited block that limitation pull bar skids off out of girder in the one end for stretching out girder upper end.
Description
Technical field
Foundation pile static loading test technical field is the utility model is related to, more particularly to a kind of counter pull type foundation pile static loading test counter-force
Frame.
Background technology
Such as Fig. 2, when architecture foundation pile static test uses accumulation load method, the counter force system used is main for jack top girder
Back secondary beam, the counterweight of symmetrical arrangement on secondary beam, girder and secondary beam are required for buttress to support, and are now needed under secondary beam high
The center of gravity of test platform is high when buttress is to support, and security is poor.
Utility model content
The purpose of this utility model is to provide a kind of counter pull type foundation pile static loading test reaction frame, has the height for reducing buttress
The advantages of increasing security.
Above-mentioned technical purpose of the present utility model technical scheme is that:A kind of counter pull type foundation pile is quiet
Experimental reaction frame bridging is carried, including girder and some secondary beams, the secondary beam lower end are provided with buttress, upper end is provided with balancing weight, the girder
Positioned at the upper end of secondary beam, the girder lower end is provided with the jack contradicted with ground, so being equipped with girder more than two
Pull bar straight down, described pull bar one end pass girder lower end and extend to the lower end of secondary beam, the other end in the one end passed
The upper end of girder is extended to, the pull bar is connected in the one end for stretching out secondary beam lower end by the arm-tie contradicted with secondary beam lower end, institute
State pull bar and the limited block that limitation pull bar skids off out of girder is provided with the one end for stretching out girder upper end.
By using above-mentioned technical proposal, girder is located to the upper end of secondary beam, reducing when girder is located at secondary beam lower end increases
Buttress height, when the upward girder of jack, girder by pull bar drive arm-tie also move up, pull bar is in girder
Inside move down, until being limited by limited block, now continued to move to jack, the lower end of arm-tie and secondary beam is supported
Touch so that arm-tie produces upward power to secondary beam, beneficial to the static load ability of detection secondary beam, buttress secondary beam need to only be supported to
The segment distance of ground one is left, reduces the height increase security of buttress.
The utility model is further arranged to:The side that the arm-tie and secondary beam contradict is provided with buffer board, the buffer board
Compression spring is provided between arm-tie.
By using above-mentioned technical proposal, when arm-tie and secondary beam conflict, buffer board first contradicts with secondary beam, and then will compress
Spring-compressed, make its produce elastic force, slow down buffer board contacted with secondary beam caused by impulse force.
The utility model is further arranged to:The pull bar is stretching out one end of girder upper end by being contradicted with girder upper end
Bearing plate connection, the bearing plate is provided with rubber blanket towards the side of girder.
By using above-mentioned technical proposal, bearing plate increases the contact area of limited block and girder, and then increases limit
Position block limitation pull bar skids off the power of girder, and the setting of rubber blanket reduces bearing plate and is applied to the upper power of girder to girder generation damage
It is bad.
The utility model is further arranged to:The jack lower end is provided with supporting plate, and the supporting plate upper end, which is provided with, to be supplied
The groove of jack insertion.
By using above-mentioned technical proposal, when jack pair girder applies thrust, jack is oriented by reaction force
The trend of lower movement, now supporting plate prevents jack earthward interior movement, and the groove set on the supporting plate reduces
The movement of jack on the supporting plate.
The utility model is further arranged to:One end of the supporting plate is hinged with push rod, and the supporting plate deviates from push rod
Side be provided with inclined-plane diagonally downward.
By using above-mentioned technical proposal, supporting plate is pushed to the lower end of girder by the setting person easy to operation of push rod, will
Push rod is be hinged on the supporting plate so that push rod can rotate around with supporting plate pin joint, change the rotational angle of push rod, be easy to prop up
The promotion of fagging, when supporting plate is along ground moving, inclined-plane easily enters the place of the out-of-flatness on ground, is easy to supporting plate
Movement on the ground.
The utility model is further arranged to:The pull bar is threaded with pulling block in arm-tie away from the side of secondary beam.
By using above-mentioned technical proposal, pulling block is threaded on pull bar, reduce arm-tie from pull bar move up under can
Energy property, further secures position of the arm-tie on pull bar.
In summary, the utility model has the advantages that:Girder is arranged on to the upper end of secondary beam, reducing buttress will
The distance that girder is raised so that the height reduction of buttress, increase security, when the jack pair girder of girder lower end produces support
During power, the pull bar on girder produces pulling force to the arm-tie of secondary beam lower end, and then arm-tie produces upward support force to secondary beam, is beneficial to
Detect the static load ability of secondary beam.
Brief description of the drawings
Fig. 1 is the structural representation of the present embodiment;
Fig. 2 is the structural representation of prior art;
Fig. 3 is the structural representation for being used to embody pull bar of the present embodiment;
Fig. 4 is the structural representation for being used to embody supporting plate of the present embodiment.
In figure, 1, girder;11st, jack;111st, supporting plate;112nd, groove;113rd, push rod;114th, inclined-plane;12nd, pull bar;
121st, arm-tie;1211st, buffer board;1212nd, compression spring;122nd, limited block;123rd, bearing plate;124th, rubber blanket;125th, pulling block;
2nd, secondary beam;21st, buttress;22nd, balancing weight.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
A kind of counter pull type foundation pile static loading test reaction frame, reference picture 1 and Fig. 3, including girder 1 and some secondary beams 2, in secondary beam
2 lower ends are provided with buttress 21, and some secondary beams 2 are placed in parallel, and the upper end of secondary beam 2 is provided with into balancing weight 22, is convenient for the quiet of secondary beam 2
Loading capability is tested, and girder 1 is located to the upper end of secondary beam 2, and girder 1 and some secondary beams 2 are mutually perpendicular to place, now buttress 21
Secondary beam 2 need to be only supported to a segment distance from the ground, and then the height for reducing buttress 21 adds security, the lower end of girder 1
Provided with the jack 11 contradicted with ground, jack 11 produces supporting role to girder 1, is equipped with girder 1 more than two
Pull bar 12 straight down so that pull bar 12 can be moved in girder 1, and the one end of pull bar 12 is passed into the lower end of girder 1 and worn
The one end gone out extends to the lower end of secondary beam 2, and the other end extends to the upper end of girder 1, and pull bar 12 is stretching out one end of the upper end of girder 1
The limited block 122 skidded off provided with limitation pull bar 12 out of girder 1, limited block 122 limit pull bar 12 and skidded off out of girder 1, draw
Bar 12 is connected in the one end for stretching out the lower end of secondary beam 2 by the arm-tie 121 contradicted with the lower end of secondary beam 2, as jack 11 is to girder 1
Upward extruding force is produced, pull bar 12 also has upward pulling force to arm-tie 121, and then arm-tie 121 is produced upwards to secondary beam 2
Pulling force, to secondary beam 2 produce support force;This outside link 12 is threaded with pulling block 125 in arm-tie 121 away from the side of secondary beam 2,
Reduce arm-tie 121 from pull bar 12 move up under possibility, further secure position of the arm-tie 121 on pull bar 12.
Reference picture 1 and Fig. 3, it is provided with buffer board 1211, buffer board 1211 in the side that arm-tie 121 and secondary beam 2 contradict in addition
Compression spring 1212 is provided between arm-tie 121, when arm-tie 121 and the conflict of secondary beam 2, buffer board 1211 first contradicts with secondary beam 2,
And then compress compression spring 1212, it is produced elastic force, slow down buffer board 1211 and contact caused impulse force with secondary beam 2,
Secondary beam 2 is protected, reduces the abrasion of secondary beam 2;This outside link 12 is stretching out one end of the upper end of girder 1 by being supported with the upper end of girder 1
Tactile bearing plate 123 is connected, and limiting plate is arranged on to the upper end of bearing plate 123, and bearing plate 123 increases limited block 122 and master
The contact area of beam 1, and then increase limited block 122 and limit the power that pull bar 12 skids off girder 1 so that pull bar 12 is to arm-tie 121
Stable pulling force is produced, damage is produced to girder 1 to the upper power for being applied to girder 1 in order to reduce bearing plate 123, therefore in load-bearing
Plate 123 is provided with rubber blanket 124 towards the side of girder 1.
Reference picture 3 and Fig. 4, when jack 11 applies thrust to girder 1, jack 11 is moved down by reaction force is oriented
Dynamic trend, now the lower end of jack 11 be provided with supporting plate 111, supporting plate 111 prevents the earthward interior movement of jack 11, right
Girder 1 produces more preferable support force, and the upper end of supporting plate 111 is provided with the groove 112 being embedded in for jack 11, when jack 11 is embedded in
When in groove 112, movement of the jack 11 in supporting plate 111 is reduced;For the ease of supporting plate 111 is pushed under girder 1
End, therefore push rod 113 is hinged with one end of supporting plate 111, push rod 113 is hinged in supporting plate 111 so that push rod 113
It can be rotated around with the pin joint of supporting plate 111, change the rotational angle of push rod 113, be easy to the promotion of supporting plate 111, supporting plate
111 are provided with inclined-plane 114 diagonally downward away from the side of push rod 113, and inclined-plane 114 easily enters the ground of the out-of-flatness on ground
Side, is easy to the movement of supporting plate 111 on the ground.
Specific operation process:When the lower end that supporting plate 111 is pushed into girder 1, the jack 11 of the upper end of supporting plate 111 is to master
Beam 1 produces upward support force, and now the upper end of pull bar 12 of the upper end of girder 1 is by bearing plate 123 and the spacing work of limited block 122
With, upward pulling force is produced to arm-tie 121, and then upward support force is produced to secondary beam 2, beneficial to the static test of secondary beam 2.
This specific embodiment is only that it is not to limitation of the present utility model, ability to explanation of the present utility model
Field technique personnel can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but
As long as all protected in right of the present utility model by Patent Law.
Claims (6)
1. a kind of counter pull type foundation pile static loading test reaction frame, including girder(1)With some secondary beams(2), the secondary beam(2)Lower end is set
There is buttress(21), upper end is provided with balancing weight(22), it is characterised in that:The girder(1)Positioned at secondary beam(2)Upper end, the master
Beam(1)Lower end is provided with the jack contradicted with ground(11), so girder(1)Inside it is equipped with more than two drawings straight down
Bar(12), the pull bar(12)One end passes girder(1)Lower end simultaneously extends to secondary beam in the one end passed(2)Lower end, it is another
End extends to girder(1)Upper end, the pull bar(12)Stretching out secondary beam(2)One end of lower end by with secondary beam(2)Lower end is supported
Tactile arm-tie(121)Connection, the pull bar(12)Stretching out girder(1)One end of upper end is provided with limitation pull bar(12)From girder
(1)The limited block inside skidded off(122).
2. counter pull type foundation pile static loading test reaction frame according to claim 1, it is characterised in that:The arm-tie(121)With
Secondary beam(2)The side of conflict is provided with buffer board(1211), the buffer board(1211)And arm-tie(121)Between be provided with compression spring
(1212).
3. counter pull type foundation pile static loading test reaction frame according to claim 1 or 2, it is characterised in that:The pull bar(12)
Stretching out girder(1)One end of upper end by with girder(1)The bearing plate that upper end contradicts(123)Connection, the bearing plate(123)
Towards girder(1)Side be provided with rubber blanket(124).
4. counter pull type foundation pile static loading test reaction frame according to claim 1, it is characterised in that:The jack(11)Under
End is provided with supporting plate(111), the supporting plate(111)Upper end is provided with and supplies jack(11)Embedded groove(112).
5. counter pull type foundation pile static loading test reaction frame according to claim 4, it is characterised in that:The supporting plate(111)
One end be hinged with push rod(113), the supporting plate(111)Away from push rod(113)Side be provided with inclined-plane diagonally downward
(114).
6. counter pull type foundation pile static loading test reaction frame according to claim 1, it is characterised in that:The pull bar(12)Drawing
Plate(121)Away from secondary beam(2)Side be threaded with pulling block(125).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720320268.2U CN206941664U (en) | 2017-03-29 | 2017-03-29 | Counter pull type foundation pile static loading test reaction frame |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720320268.2U CN206941664U (en) | 2017-03-29 | 2017-03-29 | Counter pull type foundation pile static loading test reaction frame |
Publications (1)
Publication Number | Publication Date |
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CN206941664U true CN206941664U (en) | 2018-01-30 |
Family
ID=61358028
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CN201720320268.2U Expired - Fee Related CN206941664U (en) | 2017-03-29 | 2017-03-29 | Counter pull type foundation pile static loading test reaction frame |
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CN (1) | CN206941664U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110004998A (en) * | 2019-05-14 | 2019-07-12 | 中国五冶集团有限公司 | A kind of bored concrete pile test pile apparatus and its pile testing method |
CN110541437A (en) * | 2019-08-23 | 2019-12-06 | 中国水利水电第十二工程局有限公司 | Device for engineering pile detection static load test |
-
2017
- 2017-03-29 CN CN201720320268.2U patent/CN206941664U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110004998A (en) * | 2019-05-14 | 2019-07-12 | 中国五冶集团有限公司 | A kind of bored concrete pile test pile apparatus and its pile testing method |
CN110541437A (en) * | 2019-08-23 | 2019-12-06 | 中国水利水电第十二工程局有限公司 | Device for engineering pile detection static load test |
CN110541437B (en) * | 2019-08-23 | 2021-08-27 | 中国水利水电第十二工程局有限公司 | Device for engineering pile detection static load test |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180130 Termination date: 20190329 |
|
CF01 | Termination of patent right due to non-payment of annual fee |