CN205259235U - High strain detection isolated plant of foundation pile - Google Patents
High strain detection isolated plant of foundation pile Download PDFInfo
- Publication number
- CN205259235U CN205259235U CN201520897072.0U CN201520897072U CN205259235U CN 205259235 U CN205259235 U CN 205259235U CN 201520897072 U CN201520897072 U CN 201520897072U CN 205259235 U CN205259235 U CN 205259235U
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- Prior art keywords
- hammer
- leading truck
- foundation pile
- special purpose
- high stress
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- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The utility model discloses a high strain detection isolated plant of foundation pile, including pile head fixing device, the leading truck of vertical setting on pile head fixing device, be located direction drop hammer rolling device, combination formula tup, automatic unhooking device and electronic hoisting device having in the leading truck in proper order, electronic hoisting device sets up the top at the leading truck, the direction is dropped hammer and is connected with automatic unhooking device between rolling device and the automatic unhooking device, the utility model discloses an automatic unhooking device has solved artifical abate betterly or has drawn the scheduling problem that causes when taking off. If because abate or draw and having stronger moment when taking off, leading to the off -centre of dropping hammer, cause that freely to hammer the detected signal into shape relatively poor to influence detection quality.
Description
Technical field
The utility model relates to architectural engineering foundation checkout equipment technical field, especially relates to a kind of foundation pile high stress and detects special purpose device.
Background technology
High Strain Method is with tension weight churning stake top, and speed and the power time-history curves at actual measurement stake top, analyze by wave theory, the detection method that the anti-bearing capacity of single pile vertical and pile body integrity are judged. High strain detecting technology grows up from driving into type prefabricated pile, and examination piling and piling monitoring belong to its distinctive function (pile body stress when monitoring prefabricated pile is squeezed into and hammering energy transmission are carried test than) ， Shi Static and cannot be accomplished.
According to the requirement of JGJ106-2014 " architecture foundation pile inspection specifications ", DGJ32/TJ142-2012 " building foundation detection code ". 1, hammering equipment can have the piling machinery of guider with cartridge type diesel hammer, hydraulic hammer, steam hammer etc., but must not adopt guide rod type diesel hammer, vibration hammer. 2, the special hammering equipment of high strain detecting should have firm guider, and weight answers shape symmetry, Gao Jing (wide) compare to be less than 1 (1.0-1.5). 3, the weight of hammer should be greater than the 1.0%-1.5% that estimates single pile vertical Compressive Bearing Capacity limiting value, and a stake footpath is greater than 600mm or stake and grows up and in the time of 30m, get high value. 4, pile monkey center of gravity should be pushed up centering with stake, and hammering device frame should be vertical with stake.
Current high strain Site Detection, general hammer body freely falls, and adopts that tripod suspension hook rises, crane is sling, excavator hooks etc., adopts abate or the methods such as manually unhook such as pull to detect. These detection methods easily cause many units only hammer to be risen to tens centimeters of height for security consideration, and this is difficult to stake to move. Will ensure to move stake and use while freely hammer into shape, produce enough hitting powers, that sometimes has to hammer to be carried is very high, is highly frequent and rise to 2m. Adopt artificial abate or pull while unhook, existing stronger moment, causing the bias of dropping hammer, thereby impact detects quality. This is also often freely to hammer one of poor reason of detection signal into shape.
Utility model content
The purpose of this utility model is to solve the problem of above-mentioned proposition, provide a kind of reasonable in design, simple in structure, use easy to operately, a kind of foundation pile high stress that accuracy of detection is high detects special purpose device.
The purpose of this utility model realizes as follows: a kind of foundation pile high stress detects special purpose device, comprise pile crown fixture, be vertically arranged on the leading truck in pile crown fixture, be positioned at described leading truck and there is successively tourelle, Combined hammer head, automatic decoupling device and the electric lifting device of dropping hammer that lead, described electric lifting device is arranged on the top of leading truck, and described guiding is dropped hammer and is connected with automatic decoupling device between tourelle and automatic decoupling device.
Above-mentioned a kind of foundation pile high stress detects special purpose device, described Combined hammer head is built in leading truck, it is made up of some steel plates, hammer base plate and peen plate, described steel plate is laid on hammer base plate, be positioned at the circular hole that four jiaos of each steel plate and hammer backplate surfaces have same position, described circular hole is inserted on connecting rod, and the end of described connecting rod is expanded head and is closely connected with the circular hole of hammer base plate, and it is fastening by nut that the afterbody of described connecting rod penetrates peen plate.
Above-mentioned a kind of foundation pile high stress detects special purpose device, and described peen plate top is connected with automatic decoupling device by sway brace, is positioned at described sway brace two ends and is connected on pole.
Above-mentioned a kind of foundation pile high stress detects special purpose device, and described leading truck comprises base portion, support portion, unhook portion and top layer pulley yoke portion, and described four portions surround frame structure, and described pile crown fixture is fixed on base portion on pile crown.
Above-mentioned a kind of foundation pile high stress detects special purpose device, and described pile crown fixture is fastener.
Above-mentioned a kind of foundation pile high stress detects special purpose device, and described electric lifting device comprises pulley yoke, pulley, electric block and bearing bar, and described pulley yoke is connected with pulley, and described electric block and bearing bar are slidably connected on pulley.
Advantage of the present utility model: when 1, automatic decoupling device of the present utility model has solved preferably artificial abate or pulled, caused etc. problem. Freely hammer detection signal into shape as existed stronger moment due to abate or while pulling, cause the bias of dropping hammer, causing poor, thereby impact detects quality.
2,, when guiding of the present utility model is dropped hammer tourelle guarantee hammer body whereabouts, hammer body drops on pile body center.
3, split type derrick of the present utility model ensures that hammering device is vertical, and the while is easy for installation, use is simple. Solved the Upgrade Problem of hammer body at derrick top installation electric lifting device.
Brief description of the drawings
For content of the present utility model is more easily expressly understood, according to specific embodiment also by reference to the accompanying drawings, the utility model is described in further detail, wherein below
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention:
As shown in Figure 1, a kind of foundation pile high stress detects special purpose device, comprise pile crown fixture 1, be vertically arranged on the leading truck 2 in pile crown fixture 1, be positioned at described leading truck 2 and there is successively tourelle 3, Combined hammer head 4, automatic decoupling device 5 and the electric lifting device 6 of dropping hammer that lead, described electric lifting device 6 is arranged on the top of leading truck 2, and described guiding is dropped hammer and is connected with automatic decoupling device 5 between tourelle 3 and automatic decoupling device 5. Described Combined hammer head 4 is built in leading truck 2, it is made up of some steel plates 41, hammer base plate 42 and peen plate 43, described steel plate 41 is laid on hammer base plate 42, be positioned at the surperficial four jiaos of circular holes 44 with same position of each steel plate 41 and hammer base plate 42, described circular hole 44 is inserted on connecting rod, the end of described connecting rod is expanded head and is closely connected with the circular hole of hammer base plate 42, and it is fastening by nut that the afterbody of described connecting rod penetrates peen plate 43. Described peen plate 43 tops are connected with automatic decoupling device 5 by sway brace 7, are positioned at described sway brace 7 two ends and are connected on pole 8. Described leading truck 2 comprises base portion 21, support portion 22, unhook portion 23 and top layer pulley yoke portion 24, and described four portions surround frame structure, and described pile crown fixture 1 is fixed on base portion 21 on pile crown. Described pile crown fixture 1 is fastener 11. Described electric lifting device 6 comprises pulley yoke 61, pulley 62, electric block 63 and bearing bar, and described pulley yoke 61 is connected with pulley 62, and described electric block 63 and bearing bar are slidably connected on pulley 62.
Its embodiment is: one, calculate the required weight weight of test, according to specification: the ratio of the weight of hammer and single pile vertical resistance pressure characteristic load bearing capacity must not be less than 0.02, and weight is answered shape symmetry, and ratio of height to diameter must not be less than 1. Weight is made up of some 5 centimeters of steel plates, and length and width are all identical, leaves 3.4 centimeters of circular holes of diameter at four angle same positions, and under hammer base plate 42 circular holes, large little and interlinking lever end expansion head is combined closely, and plays anchorage effect, and hammer base plate 42 is smooth. When combination, will at the bottom of hammer, put on four connecting rods, connecting rod upwards, penetrates steel plate by four hole alignment connecting rods, until be combined into the weight that test needs, finally penetrate peen plate 43 use nuts and tighten fixing.
Two, leading truck and automatic decoupling device are installed
(1) before putting weight, first at pile crown top, dolly is set, dolly adopts 10-30mm solid wood or glued board. Pile crown surrounding ground location is paved and made real with digging machine.
(2) leading truck adopts combined type, 21 placements of leading truck base portion are inserted in to weight to be placed on pile crown, when being used weight, test is less than 3 ton hours, use four arc anchor ears to wrap on pile body, anchor ear top and leading truck base portion 21 screw down (boxing out), screw with spinning steel wire rope around the upper and lower twice of anchor ear. Weight is when more than 3 tons, leading truck base is inserted in to weight and pile crown, directly place on the ground bottom, push down base with four steel pipe four limits and stay position, limit, steel pipe end position is squeezed into anchoring pile (embedded depth is preferably in 1.5-2.0m), steel pipe is fixed on anchoring pile with fastener 11, forms " well " word. Leading truck base perpendicularity is tested, and last anchoring pile is fixed.
(3) height of the fall needing according to test, calculate joint (both sides are welded with the movable joining seam being used in combination with detacher) the placing height scope that breaks off relations, then find out according to the sway brace direction of peen plate the joint placement direction (two joining seam directions are vertical with peen plate lateral pull bar direction) that breaks off relations. Whether first place supporting section, surrounding leaves draw-in groove, check and correctly snap in. Can find out according to draw-in groove whether every joint is put upside down up and down. Reserved screw hole is penetrated to screw, pad, nut and tighten, the same residue joint number of installing, the setting height(from bottom) of the joint of noting breaking off relations, direction, whether correct up and down, top layer joint is finally installed. Upper frame topmost mid portion leaves draw-in groove, and draw-in groove direction is consistent with the joint joining seam direction that breaks off relations, and avris is welded with the steel pipe with the same height of upper frame.
Three, electric lifting device is installed
(1) by derrick cat ladder, in the steel pipe of upper frame avris, insert " 7 " type pulley yoke 61, load-bearing cross bar is penetrated in electric block 63 top hooks, anchor is inserted at bearing bar two, forms an entirety; By pulley 62, electric block and bearing bar are moved on upper frame, load-bearing cross bar along slot put into, regulate electric gourd hook position, be adjusted to placed in the middle, fixing electric gourd hook. Access power supply, utilizes detacher drop hanger that weight is sling, and checks that whether weight is placed in the middle, regulates anchor, and weight is adjusted to derrick middle position, tightens anchor screw.
Four, process of the test:
(1). start test (pulling force sensor, acceleration transducer peace is complete, test main frame is in acquisition phase), access power supply (380v), press upwards button of electric block controller, the detacher weight of slinging, continue upwards to sling, until detacher both sides ear exceedes movable joining seam, (guarantee activity joining seam is below detacher ear, and the force-applied state of movable joining seam), crawl electric block controller is to knob down, until detacher both sides ear rides on movable joining seam, movable joining seam stress stops, test main frame is adjusted to and gathers curve interface, by electric block controller to knob down until weight fall, complete once and drop hammer, gather curve.
Above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; institute is understood that; the foregoing is only specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any amendment of making, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (6)
1. a foundation pile high stress detects special purpose device, it is characterized in that: comprise pile crown fixture (1), vertically be arranged on the leading truck (2) in pile crown fixture (1), be positioned at described leading truck (2) and there is successively the tourelle (3) that drops hammer that leads, Combined hammer head (4), automatic decoupling device (5) and electric lifting device (6), described electric lifting device (6) is arranged on the top of leading truck (2), described guiding is dropped hammer and is connected with automatic decoupling device (5) between tourelle (3) and automatic decoupling device (5).
2. a kind of foundation pile high stress according to claim 1 detects special purpose device, it is characterized in that: described Combined hammer head (4) is built in leading truck (2), it is by some steel plates (41), hammer base plate (42) and peen plate (43) composition, described steel plate (41) is laid on hammer base plate (42), be positioned at the surperficial four jiaos of circular holes (44) with same position of each steel plate (41) and hammer base plate (42), described circular hole (44) is inserted on connecting rod, the end of described connecting rod is expanded head and is closely connected with the circular hole of hammer base plate (42), it is fastening by nut that the afterbody of described connecting rod penetrates peen plate (43).
3. a kind of foundation pile high stress according to claim 2 detects special purpose device, it is characterized in that: described peen plate (43) top is connected with automatic decoupling device (5) by sway brace (7), is positioned at described sway brace (7) two ends and is connected on pole (8).
4. a kind of foundation pile high stress according to claim 1 detects special purpose device, it is characterized in that: described leading truck (2) comprises base portion (21), support portion (22), unhook portion (23) and top layer pulley yoke portion (24), described four portions surround frame structure, and described pile crown fixture (1) is fixed on base portion (21) on pile crown.
5. a kind of foundation pile high stress according to claim 1 detects special purpose device, it is characterized in that: described pile crown fixture (1) is fastener (11).
6. a kind of foundation pile high stress according to claim 1 detects special purpose device, it is characterized in that: described electric lifting device (6) comprises pulley yoke (61), pulley (62), electric block (63) and bearing bar, described pulley yoke (61) is connected with pulley (62), and described electric block (63) and bearing bar are slidably connected on pulley (62).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520897072.0U CN205259235U (en) | 2015-11-06 | 2015-11-06 | High strain detection isolated plant of foundation pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520897072.0U CN205259235U (en) | 2015-11-06 | 2015-11-06 | High strain detection isolated plant of foundation pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205259235U true CN205259235U (en) | 2016-05-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520897072.0U Expired - Fee Related CN205259235U (en) | 2015-11-06 | 2015-11-06 | High strain detection isolated plant of foundation pile |
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| CN (1) | CN205259235U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105369837A (en) * | 2015-11-06 | 2016-03-02 | 常州华厦建设工程质量检测有限公司 | Device special for high strain test of foundation pile |
| CN111305287A (en) * | 2020-03-16 | 2020-06-19 | 叶灿斌 | Be used for tubular pile high strain method to subside observation device |
| CN112304196A (en) * | 2020-10-23 | 2021-02-02 | 南通恒一岩土工程勘察有限公司 | Drop hammer height measuring device for high strain detection |
-
2015
- 2015-11-06 CN CN201520897072.0U patent/CN205259235U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105369837A (en) * | 2015-11-06 | 2016-03-02 | 常州华厦建设工程质量检测有限公司 | Device special for high strain test of foundation pile |
| CN105369837B (en) * | 2015-11-06 | 2018-05-04 | 常州华厦建设工程质量检测有限公司 | A kind of foundation pile high stress detects special purpose device |
| CN111305287A (en) * | 2020-03-16 | 2020-06-19 | 叶灿斌 | Be used for tubular pile high strain method to subside observation device |
| CN112304196A (en) * | 2020-10-23 | 2021-02-02 | 南通恒一岩土工程勘察有限公司 | Drop hammer height measuring device for high strain detection |
| CN112304196B (en) * | 2020-10-23 | 2022-03-08 | 江苏恒一岩土工程技术有限公司 | Drop hammer height measuring device for high strain detection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160525 Termination date: 20211106 |
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| CF01 | Termination of patent right due to non-payment of annual fee |