CN209485847U - The adjustable drawing load testing machine at any angle of one kind - Google Patents

The adjustable drawing load testing machine at any angle of one kind Download PDF

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Publication number
CN209485847U
CN209485847U CN201920147374.4U CN201920147374U CN209485847U CN 209485847 U CN209485847 U CN 209485847U CN 201920147374 U CN201920147374 U CN 201920147374U CN 209485847 U CN209485847 U CN 209485847U
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crossbeam
fixed
angle
pulley
column
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CN201920147374.4U
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Chinese (zh)
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马缤辉
曾星
钟郭
郭家乐
胡志勇
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Hunan University of Science and Technology
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Hunan University of Science and Technology
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Abstract

The utility model discloses the adjustable drawing load testing machines at any angle of one kind.The utility model includes the door frame bearing support being formed by connecting by a crossbeam and two root posts, is successively arranged one or so removable movable pulley and a fixed pulley on crossbeam from left to right, and left side column is equipped with about one removable movable pulley;One end of steel strand wires is connected with loading device, the other end successively bypass fixed pulley on crossbeam and removable movable pulley or successively around the removable movable pulley on fixed pulley, removable movable pulley and the left side column on crossbeam after, then connect with the top of the uplift pile in analog basis;Analog basis and uplift pile therein are set between left side column and loading device;Measuring instrument is set to the transverse direction of uplift pile and vertical.The utility model structure is simple and convenient to operate, is practical, can easy adjustment and change uplift pile loading direction, test operation is flexibly perfect, is able to satisfy different test requirements documents.

Description

The adjustable drawing load testing machine at any angle of one kind
Technical field
The utility model belongs to uplift pile modeling techniques field in foundation engineering, and in particular to one kind is adjustable any The drawing load testing machine of angle.
Background technique
In general house foundation engineering, stake is mainly used to bear vertical load;Harbour, bridge, towering tower building, In coastal waters drilling and producing platform, supporting and retaining system building and the engineerings such as antiseismic, stake is also subjected to from lateral wind-force, soil pressure, berths The horizontal loadings such as the collision of ship or impact from wave and seismic force or vertical and lateral combined load (tilt Load) effect.With the high speed development of Large Span Bridges and skyscraper, inclination or axis, lateral load act on lower foundation pile simultaneously Force analysis become more and more important.But so far, the research of uplift pile is concentrated mainly on axial anti-pulling capacity and deformation, System in-depth study and related indoor model test are lacked to uplift pile bearing mechanism under tilting load.
Currently, uplift pile model test apparatus is relatively simple in the foundation engineering of the prior art, it is mostly unidirectional load side The model test of uplift pile under formula, i.e. vertical load or horizontal loading, the problem is that, unidirectional loading method, which is not able to satisfy, inclines Oblique loading acts on the test demand of lower uplift pile, and performance is also not very stable, and test apparatus is more heavy, cannot arbitrarily change Loading direction, test operation is inflexible perfect, can only meet one-sided simulation test, is unfavorable for test progress.
Summary of the invention
The purpose of this utility model is that for drawbacks described above present in present technology, provide that a kind of structure is simple, behaviour Make convenient, practical, adjustable drawing load testing machine at any angle.
The purpose of this utility model is realized by the following technical solutions: the adjustable drawing at any angle adds Carry experimental rig, it includes the door frame bearing support being formed by connecting by a crossbeam and two root posts, on crossbeam from left to right according to Secondary to be equipped with one or so removable movable pulley and a fixed pulley, left side column is equipped with about one removable movable pulley;Steel strand wires One end be connected with loading device, the other end successively bypasses fixed pulley on crossbeam and removable movable pulley or successively around on crossbeam Fixed pulley, after the removable movable pulley on removable movable pulley and left side column, then connect with the top of the uplift pile in analog basis It connects;Analog basis and uplift pile therein are set between left side column and loading device;Measuring instrument is set to uplift pile It is laterally and vertical.
Specifically, the crossbeam is made using T-steel, column of channel steel;Two root posts upper end respectively with crossbeam two End is fixedly connected or is welded by high-strength bolt.
Further, the junction at two root posts upper end and crossbeam both ends is equipped with the channel steel reinforcement supporting construction of triangle;? Two root posts lower end is respectively equipped with a support, and the support includes support bottom beam, and column lower end welds rectangular tenon, rectangular tenon The square hole of respective protrusions is interior among insertion support bottom beam and is bolted, on column bottom two sides and support bottom beam Cant beam supporting construction is symmetrically connected with by bolt between face.
Specifically, one section of sliding slot is provided on the web of T-steel crossbeam, on the affixed web of channel steel upright post on the left side It is provided with the T-steel of sliding slot;The removable movable pulley is connect with sliding slot, and can be slided in sliding slot, when it slides into required position, When tilting 0~90 degree of load angle, then fixed using bolt compresses;Wherein, tilt angle be load direction with it is horizontal Angle.
Specifically, being snapped connection between the mobile pulley and sliding slot by adjusting;The adjusting buckle is a top The component of pulley spindle is equipped with equipped with groove, lower part, mobile pulley is installed on lower pulley axis, and upper grooves are caught in sliding slot T-steel web on, by a stud pass through upper grooves both sides bolt hole and sliding slot, stud both ends lead to again It crosses nut and its nut shim is tightened extruding and fixed.
Specifically, the measuring instrument includes three dial gauges, one is located at the left side of uplift pile, and two are located at uplift pile Right side;Dial gauge on the left of uplift pile is connect by a telescopic fixing rod with T-steel crossbeam, the insertion of telescopic fixing rod upper end One square frame-shaped telescopic rod for being wrapped in T-steel crossbeam is adjusted in the vertical through holes of buckle side, then is adjusted and blocked by telescopic rod The extruding bolt in horizontal threaded bore communicated on button side with vertical through holes is fixed, and is squeezed bolt matching and is fixed equipped with threaded hole Plate and rotating handle;Telescopic fixing rod lower end is equipped with horizontal pedestal, is fixed with measuring instrument support on pedestal, dial gauge is fixed In on measuring instrument support;A fixed link is fixed on analog basis right side, fixed link upper end is equipped with horizontal footstock, Measuring instrument support is fixed on footstock, the dial gauge on the right side of two uplift piles is fixed on measuring instrument support.
The loading device includes a weight tray, fills counterweight on weight tray.
The utility model structure is simple and convenient to operate, is practical, can easy adjustment and change uplift pile load side To test operation is flexibly perfect, is able to satisfy different test requirements documents.
Detailed description of the invention
Fig. 1 is the schematic view of facade structure of the utility model embodiment.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is the enlarged drawing of Fig. 1 central post upper end Yu crossbeam junction.
Fig. 4 is the left view of Fig. 3.
Fig. 5 is the side view of Fig. 1 central post lower end support.
Fig. 6 is the removable movable pulley in left and right on Fig. 1 middle cross beam and the coupling part side view between sliding slot.
Fig. 7 is the coupling part side view of telescopic fixing rod upper end and T-steel crossbeam in Fig. 1.
Fig. 8 is pulley connection schematic diagram when the utility model load angle is vertical.
Pulley connection schematic diagram when Fig. 9 is the utility model load angle level.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.
Referring to Fig. 1 to Fig. 9, the adjustable drawing load testing machine at any angle of the present embodiment, it includes by one Using crossbeam 1 made of T-steel and two door frame bearing supports being formed by connecting using column 2 made of channel steel, from Fig. 3, Fig. 4 As it can be seen that 2 upper end of two root posts is fixedly connected with the both ends of crossbeam 1 by high-strength bolt 22 respectively, the both ends of crossbeam 1 are welded with I-steel, also, the junction at 2 upper end of two root posts and 1 both ends of crossbeam is equipped with the channel steel reinforcement supporting construction 23 of triangle, uses In the support strength and stability that improve crossbeam 1 and column 2.As it can be seen that being the stabilization for realizing bearing support from Fig. 1, Fig. 2 and Fig. 5 Property, it is respectively equipped with a support 3 in the lower end of two root posts 2, support 3 includes bottom beam 19, and the lower end of column 2 is welded with rectangular tenon First 26, rectangular tenon 26 is inserted into the square hole of the intermediate respective protrusions of support bottom beam 19 and is fixed by bolt 25, in column 2 Two sides of the bottom face and support bottom beam 19 pass through bolt 17 between above and are symmetrically connected with cant beam supporting construction 18.It can be seen from figure 1 that One or so removable movable pulley 4 and a fixed pulley 5 are successively arranged on crossbeam 1 from left to right, left side column 2 is equipped on one Under removable movable pulley 6;One section of sliding slot 11 is provided on the web of T-steel crossbeam 1, and it is also affixed on the channel steel upright post on the left side 2 There is the T-steel 14 that sliding slot is provided on a web similar with T-steel crossbeam 1;As can be seen from Fig. 6, the left and right on crossbeam 1 is removable By adjusting 10 connection of buckle between movable pulley 4 and sliding slot 11;Adjusting buckle 10 is that a top is equipped with groove, lower part is equipped with and slides The component of wheel shaft, the removable movable pulley 4 in left and right are installed on lower pulley axis, and upper grooves are caught in the T-steel abdomen with sliding slot 11 On plate, the bolt hole and sliding slot on upper grooves both sides are passed through by a stud 9,9 both ends of stud pass through nut again 31 and its nut shim 30 tighten extruding fix;The connection relationship of upper and lower removable movable pulley 6 on left side column 2 and sliding slot with it is upper The removable movable pulley 4 in left and right stated on crossbeam 1 is consistent.Removable movable pulley is connect by stud with sliding slot, when loosening nut, Removable movable pulley slides in sliding slot with stud, when it slides into required position, that is, tilts 0~90 degree of load angle, Nut is tightened again squeezes fixation;Wherein, tilt angle is load direction and horizontal angle.One end of steel strand wires 7 is connected with Loading device 24, the other end successively bypass fixed pulley 5 on crossbeam 1 and removable movable pulley 4 (as illustrated in figures 1 and 8) or successively After the removable movable pulley 6 (as shown in Figure 9) on fixed pulley 5, removable movable pulley 4 and the left side column 2 on crossbeam, then with mould The top connection of uplift pile 33 in quasi- basis 32.In the present embodiment, loading device 24 includes a weight tray, weight tray On fill counterweight 21.Analog basis 32 and uplift pile therein 33 are set between left side column 2 and loading device 24;Measuring instrument Device 8 is set to the transverse direction of uplift pile 33 and vertical.From figure 7, it is seen that measuring instrument 8 includes three dial gauges, one positioned at anti- The left side of pile pulling 33, percentage list index are vertically installed at uplift pile top position, are used to measuring its vertical displacement;Two are located at The right side of uplift pile 33, percentage list index are horizontally arranged at uplift pile top same side and spaced apart, for measuring its cross To displacement;The dial gauge in 33 left side of uplift pile is connect by a telescopic fixing rod 13 with T-steel crossbeam 1, telescopic fixing rod 13 Upper end is inserted into the square frame-shaped telescopic rod that one is wrapped in T-steel crossbeam 1 and is adjusted in the vertical through holes of 12 sides of buckle, then by stretching The extruding bolt 29 that contracting bar is adjusted in the horizontal threaded bore communicated on 12 sides of buckle with vertical through holes is fixed, squeezes bolt 29 and matches It is arranged with threaded hole fixed plate 27 and rotating handle 28, is fastened with rotating handle 28;13 lower end of telescopic fixing rod is equipped with horizontal Pedestal 20 is fixed with measuring instrument support 15 on pedestal 20, and dial gauge is fixed on measuring instrument support 15;In analog basis 32 A fixed link 16 is fixed on right side, 16 upper end of fixed link is equipped with horizontal footstock, is fixed with measuring instrument branch on footstock The dial gauge of seat, two 33 right sides of uplift pile is fixed on measuring instrument support.

Claims (7)

1. the adjustable drawing load testing machine at any angle of one kind, it is characterised in that: it includes by a crossbeam and two The door frame bearing support that column is formed by connecting, one or so removable movable pulley is successively arranged on crossbeam from left to right and one fixed sliding Wheel, left side column are equipped with about one removable movable pulley;One end of steel strand wires is connected with loading device, and the other end successively bypasses Fixed pulley and removable movable pulley on crossbeam or successively around on fixed pulley, removable movable pulley and the left side column on crossbeam can After mobile pulley, then it connect with the top of the uplift pile in analog basis;Analog basis and uplift pile therein are set to the left side Between column and loading device;Measuring instrument is set to the transverse direction of uplift pile and vertical.
2. drawing load testing machine at any angle is adjusted according to claim 1, it is characterised in that: the crossbeam is adopted It is made with T-steel, column of channel steel;Two root posts upper end be fixedly connected respectively with the both ends of crossbeam by high-strength bolt or It is welding.
3. drawing load testing machine at any angle is adjusted according to claim 2, it is characterised in that: in two root posts End is equipped with the channel steel reinforcement supporting construction of triangle with the junction at crossbeam both ends;A branch is respectively equipped in two root posts lower end Seat, the support include support bottom beam, and column lower end is welded with rectangular tenon, and correspondence is convex among rectangular tenon insertion support bottom beam In the square hole risen and be bolted, above the column bottom two sides and support bottom beam between symmetrically connected by bolt There is cant beam supporting construction.
4. drawing load testing machine at any angle is adjusted according to claim 2, it is characterised in that: in T-steel cross It is provided with one section of sliding slot on the web of beam, the T-steel of sliding slot is provided on the affixed web of channel steel upright post on the left side;It is described removable Movable pulley is connect with sliding slot, and can be slided in sliding slot, when it slides into required position, that is, tilts 0~90 degree of load angle, It is fixed again using bolt compresses;Wherein, tilt angle is load direction and horizontal angle.
5. drawing load testing machine at any angle is adjusted according to claim 4, it is characterised in that: described mobile sliding It is snapped connection between wheel and sliding slot by adjusting;The adjusting buckle is that a top is equipped with groove, lower part is equipped with pulley spindle Component, mobile pulley are installed on lower pulley axis, and upper grooves are caught on the T-steel web with sliding slot, double by one Hook bolt passes through the bolt hole and sliding slot on upper grooves both sides, stud both ends pass through nut again and its nut shim tighten it is crowded Pressing is fixed.
6. drawing load testing machine at any angle is adjusted according to claim 2, it is characterised in that: the measuring instrument Device includes three dial gauges, and one is located at the left side of uplift pile, and two are located at the right side of uplift pile;Dial gauge on the left of uplift pile It is connect by a telescopic fixing rod with T-steel crossbeam, the box for being wrapped in T-steel crossbeam is inserted into telescopic fixing rod upper end Shape telescopic rod is adjusted in the vertical through holes of buckle side, then adjusts the water communicated on buckle side with vertical through holes by telescopic rod Extruding bolt in flat thread hole is fixed, and is squeezed bolt matching and is equipped with threaded hole fixed plate and rotating handle;Under telescopic fixing rod End is equipped with horizontal pedestal, is fixed with measuring instrument support on pedestal, dial gauge is fixed on measuring instrument support;In simulation base A fixed link is fixed on plinth right side, fixed link upper end is equipped with horizontal footstock, is fixed with measuring instrument support on footstock, Dial gauge on the right side of two uplift piles is fixed on measuring instrument support.
7. drawing load testing machine at any angle is adjusted according to claim 1, it is characterised in that: the load dress It sets including a weight tray, fills counterweight on weight tray.
CN201920147374.4U 2019-01-28 2019-01-28 The adjustable drawing load testing machine at any angle of one kind Active CN209485847U (en)

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Application Number Priority Date Filing Date Title
CN201920147374.4U CN209485847U (en) 2019-01-28 2019-01-28 The adjustable drawing load testing machine at any angle of one kind

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920147374.4U CN209485847U (en) 2019-01-28 2019-01-28 The adjustable drawing load testing machine at any angle of one kind

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110887654A (en) * 2019-12-15 2020-03-17 安徽青松工具有限公司 Stretching device for trailer hook detection
CN111549831A (en) * 2020-04-28 2020-08-18 南通科创建设工程检测有限公司 Multi-angle pile foundation resistance to plucking performance detection device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110887654A (en) * 2019-12-15 2020-03-17 安徽青松工具有限公司 Stretching device for trailer hook detection
CN111549831A (en) * 2020-04-28 2020-08-18 南通科创建设工程检测有限公司 Multi-angle pile foundation resistance to plucking performance detection device

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