CN105064417A - Load case detection and load supplementing system - Google Patents
Load case detection and load supplementing system Download PDFInfo
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- CN105064417A CN105064417A CN201510457824.6A CN201510457824A CN105064417A CN 105064417 A CN105064417 A CN 105064417A CN 201510457824 A CN201510457824 A CN 201510457824A CN 105064417 A CN105064417 A CN 105064417A
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- load box
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Abstract
The invention discloses a load case detection and load supplementing system. The load case detection and load supplementing system comprises a pile foundation hole; a sliding detection device used for detecting a load case, a crane used for hoisting the load case and a load supplementing device connected with the load case are arranged around the pile foundation hole. According to the load case detection and load supplementing system, the load case is detected before coming into use, the load case can be used immediately after the load case passes the detection, and oil pressure loading of the load case is conducted after pile foundation detection is completed, so that stability of a foundation pile is ensured and the problem existing in later construction or the problem of house subsidence is avoided.
Description
Technical field
The present invention relates to the calibrating of a kind of load box and mend loading system, be specifically related to the calibrating of a kind of self-rebound force balance loading case, lifting and mend carry integral system, belong to self-rebound force balance loading case technical field.
Background technology
Load box is the special charger of one of building trade pile foundation supporting capacity self-balance test, is the structural assembly of one group of (one or more) jack (pressure unit).Common load box, be generally divided into the common oil cylinder (piston type or plunger type) of slipper seal for working cell and with cavate sealing pressure unit for working cell two type.
In recent years, the technical development of self-balancing approach load box is rapid, and the self-rebound force balance loading case that pile bearing capacity detects is used widely, and progressively instead of the preloading detection that original building site uses, result of use is very good.
But self-balancing approach load box technology is ripe not enough at present, also there is a lot of problem.Existing load box is all large tonnage load box, and before load box carries out pile measurement, need the calibrating carrying out load box, metage is very expensive; Load box is before carrying out pile measurement, and work of must getting ready, once load box goes wrong, will fall short of success for lack of final effort, and the best way was examined and determine exactly before load box carries out pile measurement, at once came into operation after having examined and determine; Load box is mostly disposable; can not take out; after use self-rebound force balance loading case has detected; usually the oil pressure of load box can be released; cause the hydraulic oil of load box inside without pressure; the epimere stake of foundation pile cannot be supported, the problem of construction in later period or house sinking etc. may be caused with this, leave potential safety hazard.
Summary of the invention
Instant invention overcomes prior art Problems existing, propose the calibrating of a kind of load box and mend loading system, load box is examined and determine before being taken into use, examined and determine guarantee no problem after at once come into operation, and after load box completes pile measurement, carry out oil pressure loading, ensure that the stability of foundation pile, the problem that construction in later period or house sink can not be caused.
Concrete technical scheme of the present invention is as follows: loading system is mended in a kind of load box calibrating of the present invention, comprises pile foundation hole; It is characterized in that, the surrounding in described pile foundation hole be provided with slidably for examine and determine load box calibrating installation, carry device for the lifting gear that lifts by crane load box and the benefit that is connected with load box; Described calibrating installation comprises detection platform, and the both sides of described detection platform are provided with locking device, and described locking device is fixedly connected with top board; Under upper, pressure sensor, spherical surface body, main pressing plate and load box is provided with successively between described top board and detection platform; The below of described detection platform is provided with roller, and described roller is arranged on rail plate; Described benefit is carried device and is comprised by the main heavy stand of stent support above pile foundation hole; Displacement transducer is provided with below described main heavy stand; Also comprise the master station be connected with displacement transducer; Also comprise the high-pressure oil pipe be connected with load box; Described high-pressure oil pipe is connected with charger, and described high-pressure oil pipe is provided with high pressure valve.
Described lifting gear comprises bracket, and described bracket is provided with hydraulic stem, and described hydraulic rod top is provided with hook, and described load box is provided with link, and described hook is connected with link.
Described locking device comprises supporting seat, and described supporting seat is provided with screw rod; Described top board is connected with screw flight; Described screw rod is provided with the nut for fixing top board.
Described nut comprises locking nut and reinforces nut; Described locking nut is located at the below reinforcing nut.
Described pressure sensor and spherical surface body touch, and described pressure sensor and spherical surface body all have two, respectively the symmetrical top being arranged on main pressing plate, and described main pressing plate is provided with the spherical groove suitable with spherical surface body.
Described pressure sensor is connected with master station.
The below of described detection platform is provided with four rolling, and described four rolling is separately positioned in two groups of parallel rail plates.
The below of described main heavy stand is provided with two displacement transducers, and described two displacement transducers are symmetrical, and described two displacement transducers are all connected with master station.
Beneficial effect of the present invention: loading system is mended in a kind of load box calibrating of the present invention, load box is examined and determine before being taken into use, examined and determine guarantee no problem after at once come into operation, and after load box completes pile measurement, carry out oil pressure loading, ensure that the stability of foundation pile, the problem that construction in later period or house sink can not be caused; Loading system is mended in a kind of load box calibrating of the present invention, ensure that load box before being taken into use all to reliability, decrease the failure of the pile measurement that load box self problem causes; Loading system is mended in a kind of load box calibrating of the present invention, and load box is arranged on slidably in detection platform, and conveniently moving is easy to loading and unloading, directly can lift by crane load box is put into pile foundation hole after load box calibrating simultaneously terminates, simple to operate.
Accompanying drawing explanation
Fig. 1 is the structural representation in calibrating stage.
Fig. 2 is the structural representation of calibrating installation of the present invention.
Fig. 3 is the structural representation in lifting stage.
Fig. 4 is load box pile measurement stage structures schematic diagram.
Detailed description of the invention
As Figure 1-4, loading system is mended in a kind of load box calibrating of the present invention, comprises pile foundation hole 7; The surrounding in described pile foundation hole 7 be provided with slidably for examine and determine load box 4 calibrating installation 1, carry device 3 for the lifting gear 100 that lifts by crane load box 4 and the benefit that is connected with load box 4; Described calibrating installation 1 comprises detection platform 13, and the both sides of described detection platform 13 are provided with locking device 12, and described locking device 12 is fixedly connected with top board 11; Under upper, pressure sensor 16, spherical surface body 17, main pressing plate 18 and load box 4 is provided with successively between described top board 11 and detection platform 13; The below of described detection platform 13 is provided with roller 14, and described roller 14 is arranged on rail plate 15; Described benefit is carried device 3 and is comprised and be supported on main heavy stand 32 above pile foundation hole 7 by support 37; Displacement transducer 33 is provided with below described main heavy stand 32; Also comprise the master station 31 be connected with displacement transducer 33; Also comprise the high-pressure oil pipe 36 be connected with load box 4; Described high-pressure oil pipe 36 is connected with charger 34, and described high-pressure oil pipe 36 is provided with high pressure valve 35.
Described lifting gear 100 of the present invention comprises bracket 101, and described bracket 101 is provided with hydraulic stem 103, and described hydraulic stem 103 top is provided with hook 104, and described load box 4 is provided with link 41, and described hook 104 is connected with link 41.Bracket 101 is fixed on ground by stone bolt.Hydraulic stem 103 is positioned at directly over pile foundation hole 7, and described locking device 12 comprises supporting seat 121, and described supporting seat 121 is provided with screw rod 122; Described top board 11 is threaded with screw rod 122; Described screw rod 122 is provided with the nut for fixing top board 11.Described nut comprises locking nut 123 and reinforces nut 124; Described locking nut 123 is located at the below reinforcing nut 124, first screws locking nut 123 when locking, then screwing reinforcing nut 124, so just can realize highly stable reinforcing.Described pressure sensor 16 touches with spherical surface body 17, and described pressure sensor 16 and spherical surface body 17 all have two, respectively the symmetrical top being arranged on main pressing plate 18, and described main pressing plate 18 is provided with the spherical groove suitable with spherical surface body 17.Main pressing plate 18 is steel plate material, and main pressing plate 18 is provided with two spherical grooves, and respectively with two spherical surface body 17 close contacts, the object of this design makes whole verification process uniform force, substantially increases the degree of accuracy of verification result.Described pressure sensor 16 is connected with master station 31, pressure information is sent to master station 31.The below of described detection platform 13 is provided with four rolling 14, and described four rolling 14 is separately positioned in two groups of parallel rail plates 15.The below of described main heavy stand 32 is provided with two displacement transducers 33, and described two displacement transducers 33 are symmetrical, and described two displacement transducers 33 are all connected with master station 31, and the sedimentation information in pile measurement process is sent to master station 31 by displacement transducer 33.
Fig. 1,3 and 4, reflects the whole course of work that loading system is mended in the calibrating of a kind of load box of the present invention.
First Fig. 1 shows the structural representation of the present invention in the calibrating stage, is highlighted emphatically the calibrating stage in figure, and eliminating the parts that some all the other stages use, is also like this in remaining figure.
As illustrated in fig. 1 and 2, first step: first achieve the calibrating to load box 4, first load box 4 is placed in detection platform 13, successively main pressing plate 18, spherical surface body 17 and pressure sensor 16 are placed on load box 4 again, finally on pressure sensor 16, install top board 11, top board 11 is fixedly connected on the locking device 12 of the left and right sides; Load box 4 receives upper and lower constraint, and then give load box 4 fuel feeding, hierarchical loading, completes demarcation.
As shown in Figure 3, second step: lifting, after load box 4 has been demarcated, removes calibrating installation 1, then lift by crane load box 4 with handling apparatus 200, put into pile foundation hole.
As shown in Figure 4, the 3rd step: the pile measurement of load box 4, according to the tonnage of load box 4, carries out multistage loadings by charger 34, every grade of load reach relatively stable after reload next stage; By the time start unloading pressure after being loaded into maximum value, survey every 20min the residual settlement reading a displacement transducer 33 after every grade of unloading, then interval 30min reads once again, then unloads next stage load, until discharge degree is complete, pressure is zero.
Last step: carry out benefit and carry, after having unloaded, determine to mend the maximum pressure carried, once be loaded into bearing capacity of pile foundation characteristic value, then close high pressure valve 35, then charger 34 is removed, by high-pressure oil pipe 36 and the whole Transducers Embedded in Concrete of high pressure valve 35, then main heavy stand 32 is put down, complete to mend and carry.There is high pressure liquid force feed to play a supportive role between such epimere stake 5 and hypomere stake 6, effectively can bear construction in later period and house and to conduct oneself with dignity the sinking brought.
Loading system is mended in a kind of load box calibrating of the present invention, load box is examined and determine before being taken into use, examined and determine guarantee no problem after at once come into operation, and after load box completes pile measurement, carry out oil pressure loading, ensure that the stability of foundation pile, the problem that construction in later period or house sink can not be caused; Loading system is mended in a kind of load box calibrating of the present invention, ensure that load box before being taken into use all to reliability, decrease the failure of the pile measurement that load box self problem causes; Loading system is mended in a kind of load box calibrating of the present invention, and load box is arranged on slidably in detection platform, and conveniently moving is easy to loading and unloading, directly can lift by crane load box is put into pile foundation hole after load box calibrating simultaneously terminates, simple to operate.
In addition to the implementation, the present invention can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of application claims.
Claims (7)
1. a loading system is mended in load box calibrating, comprises pile foundation hole (7); It is characterized in that: the surrounding of described pile foundation hole (7) be provided with slidably for examine and determine load box (4) calibrating installation (1), carry device (3) for the lifting gear (100) that lifts by crane load box (4) and the benefit that is connected with load box (4);
Described calibrating installation (1) comprises detection platform (13), and the both sides of described detection platform (13) are provided with locking device (12), and described locking device (12) is fixedly connected with top board (11); Under upper, pressure sensor (16), spherical surface body (17), main pressing plate (18) and load box (4) is provided with successively between described top board (11) and detection platform (13); The below of described detection platform (13) is provided with roller (14), and described roller (14) is arranged on rail plate (15);
Described benefit is carried device (3) and is comprised the main heavy stand (32) being supported on top, pile foundation hole (7) by support (37); Described main heavy stand (32) below is provided with displacement transducer (33); Also comprise the master station (31) be connected with displacement transducer (33); Also comprise the high-pressure oil pipe (36) be connected with load box (4); Described high-pressure oil pipe (36) is connected with charger (34), and described high-pressure oil pipe (36) is provided with high pressure valve (35);
Described lifting gear (100) comprises bracket (101), described bracket (101) is provided with hydraulic stem (103), described hydraulic stem (103) top is provided with hook (104), and described load box (4) is provided with link (41), and described hook (104) is connected with link (41).
2. loading system is mended in a kind of load box calibrating according to claim 1, and it is characterized in that: described locking device (12) comprises supporting seat (121), described supporting seat (121) is provided with screw rod (122); Described top board (11) is threaded with screw rod (122); Described screw rod (122) is provided with the nut for fixing top board (11).
3. loading system is mended in a kind of load box calibrating according to claim 2, it is characterized in that: described nut comprises locking nut (123) and reinforces nut (124); Described locking nut (123) is located at the below reinforcing nut (124).
4. loading system is mended in a kind of load box calibrating according to claim 1, it is characterized in that: described pressure sensor (16) and spherical surface body (17) touch, described pressure sensor (16) and spherical surface body (17) all have two, the symmetrical top being arranged on main pressing plate (18) respectively, described main pressing plate (18) is provided with the spherical groove suitable with spherical surface body (17).
5. mend loading system according to a kind of load box calibrating in claim 1-4 described in any one, it is characterized in that: described pressure sensor (16) is connected with master station (31).
6. mend loading system according to a kind of load box calibrating in claim 1-4 described in any one, it is characterized in that: the below of described detection platform (13) is provided with four rolling (14), described four rolling (14) is separately positioned in two groups of parallel rail plates (15).
7. loading system is mended in a kind of load box calibrating according to claim 1, it is characterized in that: the below of described main heavy stand (32) is provided with two displacement transducers (33), described two displacement transducers (33) are symmetrical, and described two displacement transducers (33) are all connected with master station (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510457824.6A CN105064417A (en) | 2015-07-30 | 2015-07-30 | Load case detection and load supplementing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510457824.6A CN105064417A (en) | 2015-07-30 | 2015-07-30 | Load case detection and load supplementing system |
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| Publication Number | Publication Date |
|---|---|
| CN105064417A true CN105064417A (en) | 2015-11-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510457824.6A Pending CN105064417A (en) | 2015-07-30 | 2015-07-30 | Load case detection and load supplementing system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108166546A (en) * | 2018-01-24 | 2018-06-15 | 中建三局第二建设工程有限责任公司 | A kind of device and construction method that pile foundation preloading is carried out using self-balancing static load |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005320689A (en) * | 2004-05-06 | 2005-11-17 | Takenaka Komuten Co Ltd | Strain and settlement measuring method for testing vertical load on pile |
| CN102953400A (en) * | 2012-11-14 | 2013-03-06 | 东南大学 | Load box for self-balanced method testing of concrete pipe pile |
| CN103850276A (en) * | 2014-03-20 | 2014-06-11 | 南昌永祺科技发展有限公司 | Detecting and reloading technology for load box |
| CN104695490A (en) * | 2015-02-13 | 2015-06-10 | 广西瑞宇建筑科技有限公司 | Counterforce calibrating device suitable for large-tonnage load box |
| CN204826004U (en) * | 2015-07-30 | 2015-12-02 | 舟山市智海技术开发有限公司 | System of carrying is mended in load box examination |
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2015
- 2015-07-30 CN CN201510457824.6A patent/CN105064417A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005320689A (en) * | 2004-05-06 | 2005-11-17 | Takenaka Komuten Co Ltd | Strain and settlement measuring method for testing vertical load on pile |
| CN102953400A (en) * | 2012-11-14 | 2013-03-06 | 东南大学 | Load box for self-balanced method testing of concrete pipe pile |
| CN103850276A (en) * | 2014-03-20 | 2014-06-11 | 南昌永祺科技发展有限公司 | Detecting and reloading technology for load box |
| CN104695490A (en) * | 2015-02-13 | 2015-06-10 | 广西瑞宇建筑科技有限公司 | Counterforce calibrating device suitable for large-tonnage load box |
| CN204826004U (en) * | 2015-07-30 | 2015-12-02 | 舟山市智海技术开发有限公司 | System of carrying is mended in load box examination |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108166546A (en) * | 2018-01-24 | 2018-06-15 | 中建三局第二建设工程有限责任公司 | A kind of device and construction method that pile foundation preloading is carried out using self-balancing static load |
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Application publication date: 20151118 |