CN204269477U - A kind of structure of being convenient to holds the secondary loading load testing machine carrying and reinforce - Google Patents

A kind of structure of being convenient to holds the secondary loading load testing machine carrying and reinforce Download PDF

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Publication number
CN204269477U
CN204269477U CN201420753492.7U CN201420753492U CN204269477U CN 204269477 U CN204269477 U CN 204269477U CN 201420753492 U CN201420753492 U CN 201420753492U CN 204269477 U CN204269477 U CN 204269477U
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China
Prior art keywords
lifting jack
pedestal
rigid ground
reinforce
bearing
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CN201420753492.7U
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Chinese (zh)
Inventor
罗素蓉
郑建岚
吴文达
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Fuzhou University
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Fuzhou University
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Abstract

The utility model relates to a kind of structure of being convenient to and holds the secondary loading load testing machine carrying and reinforce, comprise the pedestal be fixedly connected with rigid ground, described pedestal two side is provided with heavy frame, described heavy frame bottom is provided with bearing, described bearing is fixedly connected with rigid ground, described holding in stand is provided with the crossbeam parallel with rigid ground, on described crossbeam, reversal of the natural order of things has lifting jack, described lifting jack is perpendicular to rigid ground, described lifting jack is provided with force snesor, test beam is provided with between described lifting jack and pedestal, described test beam and lifting jack and pedestal hinged, the utility model has following beneficial effect: can apply initial load by charger to test beam, and under maintaining the constant condition of initial load, U-shaped Enlargement of Section reinforcing is carried out to test specimen, abundant simulation practical structures carries out the operating mode of reinforcing under initial stressed, being subject to curved and being cut reinforcement experiment of reinforced concrete beam can be used for, structure is simple, with low cost.

Description

A kind of structure of being convenient to holds the secondary loading load testing machine carrying and reinforce
Technical field
The utility model relates to a kind of structure of being convenient to and holds the secondary loading load testing machine carrying and reinforce.
Background technology
Traditional beam secondary loading load test adopts beam front to lay after-applied initial load mostly, and adopts the method to carry out often causing beam cross section under tension to reinforce difficulty when Enlargement of Section is reinforced, and builds, maintenance is difficult and load the problems such as difficulty under holding lotus.
Utility model content
Difficulty is reinforced in order to overcome beam cross section under tension when increasing section is reinforced, build under holding lotus, maintenance is difficult and load the problems such as difficulty, the utility model devises a kind of beam secondary loading load testing machine, this device belongs to flat test device, this device not only test specimen is easy for installation, and load application is accurate, loads satisfactory for result.
The scheme that the utility model technical solution problem adopts is that a kind of structure of being convenient to holds the secondary loading load testing machine carrying and reinforce, comprise the pedestal be fixedly connected with rigid ground, described pedestal two side is provided with heavy frame, described heavy frame bottom is provided with bearing, described bearing is fixedly connected with rigid ground, described holding in stand is provided with the crossbeam parallel with rigid ground, on described crossbeam, reversal of the natural order of things has lifting jack, described lifting jack is perpendicular to rigid ground, described lifting jack is provided with force snesor, test beam is provided with between described lifting jack and pedestal, described test beam and lifting jack and pedestal hinged.
Further, the concrete connected mode between described bearing and rigid ground is, fixing rigid connecting fishplate bar with the corresponding bearing place of rigid ground, bearing is connected with rigid ground by foot bolt and screw rod.
Further, described crossbeam by bolt with hold stand and be connected.
Further, described lifting jack is mechanic jacks, and described lifting jack is connected with crossbeam by bolt.
Compared with prior art, the utility model has following beneficial effect: can apply initial load by charger to test beam, and under maintaining the constant condition of initial load, U-shaped Enlargement of Section reinforcing is carried out to test specimen, abundant simulation practical structures carries out the operating mode of reinforcing under initial stressed, being subject to curved and being cut reinforcement experiment of reinforced concrete beam can be used for, structure is simple, with low cost.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model patent is further illustrated.
Fig. 1 is front elevation of the present utility model;
Fig. 2 is side view of the present utility model;
Fig. 3 is test parameters and Comparative result;
Fig. 4 is calculation diagram of the present utility model;
Fig. 5 is internal force diagram of the present utility model.
In figure:
1-pedestal; 2-heavy frame; 3-crossbeam; 4-lifting jack; 5-force snesor; 6-bearing; 7-foot bolt; 8-screw rod; 9-rigid ground; 10 test beams.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is further illustrated.
As shown in Fig. 1 ~ 5, a kind of structure of being convenient to holds the secondary loading load testing machine carrying and reinforce, comprise the pedestal 1 be fixedly connected with rigid ground 9, described pedestal 1 liang of side is provided with heavy frame 2, described heavy frame 2 bottom is provided with bearing 6, described bearing 6 is fixedly connected with rigid ground 9, described holding in stand 2 is provided with the crossbeam 3 parallel with rigid ground 9, on described crossbeam 3, reversal of the natural order of things has lifting jack 4, described lifting jack 4 is perpendicular to rigid ground 9, described lifting jack 4 is provided with force snesor 5, test beam 10 is provided with between described lifting jack 4 and pedestal 1, described test beam 10 and lifting jack 4 and pedestal 1 hinged.
In the present embodiment, the concrete connected mode between described bearing 6 and rigid ground 9 is, fixing rigid connecting fishplate bar with corresponding bearing 6 place of rigid ground 9, bearing 6 is connected with rigid ground 9 by foot bolt 7 and screw rod 8.
In the present embodiment, described crossbeam 3 by bolt with hold stand 2 and be connected.
In the present embodiment, described lifting jack 4 is mechanic jacks, and described very heavy 4 tops are connected with crossbeam 3 by bolt.
Specific implementation method, step is as follows:
(1) pedestal 1 is set on rigid ground 9;
(2) make heavy frame 2 by H profile steel, offer circular hole at its bottom support bracket 6 place;
(3) by foot bolt 7 and screw rod 8, heavy frame 2 is firmly connected with rigid ground 9;
(4) make crossbeam 3 by H profile steel, make it be connected with heavy frame 2 by bolt;
(5) by bolt, lifting jack 4 is connected with crossbeam 3.
In the present embodiment, in step (4), described crossbeam 3 is parallel with rigid ground 9.
In the present embodiment, in step (5), described lifting jack 4 is mechanic jacks.
In order to the correctness of the utility model principle is described, the utility model is utilized to carry out 9 secondary loading reinforcement tests, shown in its data cases accompanying drawing 3, wherein l=3m, a=0.2m, in order to illustrate that test of the present utility model adopts principle formula as follows:
Calculation diagram of the present utility model and internal force diagram of the present utility model are as shown in accompanying drawing 4,5, and in figure, A, B, C, D, E, F, G are the difference on test beam, and P is load, and g is reinforced beam line load, and l is length, and a is length.
From the error amount of accompanying drawing 3, all test specimens and all within 5%, indicate compared with this test unit oppositely applying starting force applies initial load with forward, its result has reliability.
Above-listed preferred embodiment; the purpose of this utility model, technical scheme and advantage are further described; be understood that; the foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.

Claims (4)

1. one kind be convenient to structure hold carry reinforce a secondary loading load testing machine, it is characterized in that: comprise the pedestal be fixedly connected with rigid ground, described pedestal two side is provided with heavy frame, described heavy frame bottom is provided with bearing, described bearing is fixedly connected with rigid ground, described holding in stand is provided with the crossbeam parallel with rigid ground, on described crossbeam, reversal of the natural order of things has lifting jack, described lifting jack is perpendicular to rigid ground, described lifting jack is provided with force snesor, test beam is provided with between described lifting jack and pedestal, described test beam and lifting jack and pedestal hinged.
2. a kind of structure of being convenient to according to claims 1 holds the secondary loading load testing machine carrying and reinforce, it is characterized in that: the concrete connected mode between described bearing and rigid ground is, fixing rigid connecting fishplate bar with the corresponding bearing place of rigid ground, bearing is connected with rigid ground by foot bolt and screw rod.
3. a kind of according to claims 1 is convenient to structure and is held the secondary loading load testing machine carrying and reinforce, and it is characterized in that: described crossbeam by bolt with hold stand and be connected.
4. a kind of structure of being convenient to according to claims 1 holds the secondary loading load testing machine carrying and reinforce, and it is characterized in that: described lifting jack is mechanic jacks, and described lifting jack is connected with crossbeam by bolt.
CN201420753492.7U 2014-12-05 2014-12-05 A kind of structure of being convenient to holds the secondary loading load testing machine carrying and reinforce Active CN204269477U (en)

Priority Applications (1)

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CN201420753492.7U CN204269477U (en) 2014-12-05 2014-12-05 A kind of structure of being convenient to holds the secondary loading load testing machine carrying and reinforce

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420753492.7U CN204269477U (en) 2014-12-05 2014-12-05 A kind of structure of being convenient to holds the secondary loading load testing machine carrying and reinforce

Publications (1)

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CN204269477U true CN204269477U (en) 2015-04-15

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104359764A (en) * 2014-12-05 2015-02-18 福州大学 Secondary stress loading test device convenient for reinforcing structure under constant load and manufacturing method of secondary stress loading test device
CN109406269A (en) * 2018-09-28 2019-03-01 华南理工大学 Hold the natural exposing experimental provision and method of mount components

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104359764A (en) * 2014-12-05 2015-02-18 福州大学 Secondary stress loading test device convenient for reinforcing structure under constant load and manufacturing method of secondary stress loading test device
CN109406269A (en) * 2018-09-28 2019-03-01 华南理工大学 Hold the natural exposing experimental provision and method of mount components

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