CN204807242U - Roof beam distributing of stress law test instrument with adjustable - Google Patents
Roof beam distributing of stress law test instrument with adjustable Download PDFInfo
- Publication number
- CN204807242U CN204807242U CN201520468635.4U CN201520468635U CN204807242U CN 204807242 U CN204807242 U CN 204807242U CN 201520468635 U CN201520468635 U CN 201520468635U CN 204807242 U CN204807242 U CN 204807242U
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- experiment
- underbeam
- roof beam
- bearing capacity
- adjustable
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Abstract
The utility model relates to a roof beam distributing of stress law test instrument with adjustable, its characterized in that: include the hand wheel and the bearing capacity underbeam of testing roof beam, experiment roof beam support, experiment bench, load bar, worm elevating system, being used for the worm shaft elevating system lift. The experiment roof beam is placed on experiment roof beam support, and experiment roof beam bearing installation is in the experiment bench top, and hand wheel and worm elevating system install on the experiment bench between experiment roof beam and bearing capacity underbeam. The load bar includes height -adjustable experiment roof beam fixing base, pull rod and the bearing capacity underbeam fixing base of festival. The upper end of pull rod and experiment roof beam fixing base can be dismantled continuously, and the lower extreme links to each other with bearing capacity underbeam fixing base. The experiment roof beam runs through to be installed in experiment roof beam fixing base, and the bearing capacity underbeam runs through to be installed in bearing capacity underbeam fixing base, one side swing joint of experiment roof beam fixing base has the position scale. The utility model discloses can satisfy the stress test demand of the different length and the roof beam of size.
Description
Technical field
The utility model relates to teaching and experiment equipment technical field, is specifically related to a kind of adjustable stress beam regularity of distribution test instrument.
Background technology
In order to allow universities student learning and mastering engineering material mechanics principle better, universities are using the required course of stress beam regularity of distribution test as correlation engineering specialty.Stress beam regularity of distribution test instrument is the one in conventional engineering material Experiments of Machanics instrument, for measuring the stress distribution law of beam.But existing stress beam regularity of distribution tester cannot meet the stress test demand of the beam of different length and size, operate very inconvenient, experimental teaching scope and experiment teaching effect are had a greatly reduced quality.
Utility model content
The purpose of this utility model is to provide a kind of adjustable stress beam regularity of distribution test instrument, this stress beam regularity of distribution test instrument can solve deficiency of the prior art, meet the stress test demand of the beam of different length and size, and it is easy to operate, thus expand experimental teaching scope, enhance experiment teaching effect.
For achieving the above object, the utility model have employed following technical scheme:
A kind of adjustable stress beam regularity of distribution test instrument, comprise experiment beam, experiment beam support, experimental stand, load bar, worm screw elevating mechanism, for the handwheel that drives worm screw elevating mechanism to be elevated and bearing capacity underbeam.
Described experiment beam is placed on experiment beam support, and described experiment beam support is arranged on above experimental stand, and described handwheel and worm screw elevating mechanism are arranged on the experimental stand between experiment beam and bearing capacity underbeam.
Described load bar comprises Height Adjustable experiment beam holder, pull bar and bearing capacity underbeam holder; The upper end of described pull bar is detachably connected with experiment beam holder, and lower end is connected with bearing capacity underbeam holder; Described experiment beam runs through and is arranged in experiment beam holder, and described bearing capacity underbeam runs through and is arranged in bearing capacity underbeam holder; The side of described experiment beam holder is connected with Position Scale.
Further, the described experiment beam support pedestal beam that comprises support body, be arranged on the U-type groove above support body and be arranged in U-type groove.
Further, described experimental stand comprises and from up to down sets gradually experiment table, connecting framework and base for supporting; Described experiment table is H type, comprises the two pieces of limiting plates be arranged in parallel and the bearing loading plate be arranged between two pieces of limiting plates, described bearing loading plate be provided with for load bar through and regulate the mounting hole of spacing adjacent load bar; Described connecting framework is two longitudinal bracing beams be arranged in parallel, is provided with handwheel support between two longitudinal bracing beams; Two bearer connection beams that described base for supporting comprises two load level beams be arranged in parallel and is vertically set between two load level beams; Four end angle places of described base for supporting are provided with the adjustable frames for assurance device level, the adjusting bolt that described adjustable frames comprises base and is connected with whorl of base.
Further, described experiment beam holder comprises screw thread force rod, the first whorl brace rod and two pieces of web joints be arranged in parallel; The centre of described screw thread force rod is stressed polished rod, and two ends are threaded joints; Described first whorl brace rod is perfect thread connecting link; The two ends up and down of described web joint are threaded with screw thread force rod, the first whorl brace rod respectively, and described web joint is provided with several threaded connection holes.
Described bearing capacity underbeam holder comprises the U-shaped link that Open Side Down and runs through the second whorl brace rod being arranged on U-shaped link lower end; The side of described U-shaped link is provided with threaded connection hole.
Further, described worm screw elevating mechanism comprises the worm screw be connected with handwheel, the worm gear be connected with worm mesh, passes and the leading screw be connected with a joggle with worm gear and the pressure head be connected to bottom leading screw from worm gear centre.
Further, described Position Scale is movably connected in one end of screw thread force rod, and the upper end of described Position Scale is provided with scale, and lower end is provided with the mounting hole for running fix scale.
Further, described pressure head is provided with pressure transducer.
Further, described handwheel comprises wheel muscle, wheel rim and handle.Handle is convenient to rotation hand wheel.
From above technical scheme, the utility model, by arranging multiple threaded connection hole on web joint, can realize the stress distribution experiment test of the beam to different size; By arranging mounting hole on experiment table, can the spacing be set between two load bars of testing beam two ends be regulated, thus realize the stress distribution experiment test of the beam of different length.The utility model is not only simple to operation, and conventional efficient is high, and expands education experiment scope, enhances education experiment effect.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is vertical view of the present utility model;
Fig. 3 is the structural representation of experiment beam support;
Fig. 4 is the side view of experiment beam support;
Fig. 5 is the vertical view of experiment beam support;
Fig. 6 is the structural representation of experimental stand;
Fig. 7 is the vertical view of experimental stand;
Fig. 8 is the structural representation of load bar;
Fig. 9 is the side view of load bar;
Figure 10 is the structural representation of experiment table;
Figure 11 is the side view of experiment table;
Figure 12 is the vertical view of experiment table;
Figure 13 is the structural representation of Position Scale;
Figure 14 is hand wheel structure schematic diagram.
Wherein:
1, experiment beam, 2, experiment beam support, 3, load bar, 4, handwheel, 5, experimental stand, 6, adjustable frames, 7, bearing capacity underbeam, 8, pressure head, 9, sensor, 10, worm screw elevating mechanism, 11, Position Scale, 21, support body, 22, pedestal beam, 23, bearing U-type groove, 31, screw thread force rod, 32, web joint, 33, first whorl brace rod, 34, pull bar, 35, U-shaped link, 36, second whorl brace rod, 41, wheel muscle, 42, wheel rim, 43, handle, 111, scale, 112, for the mounting hole of running fix scale, 51, experiment table, 52, handwheel support, 53, connecting framework, 54, base for supporting, 511, limiting plate, 512, bearing loading plate, 513, for load bar through and regulate the mounting hole of spacing adjacent load bar.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further:
The adjustable stress beam regularity of distribution of one as Figure 1-Figure 2 test instrument, comprise experiment beam 1, experiment beam support 2, experimental stand 5, two load bars 3, worm screw elevating mechanism 10, for the handwheel 4 that drives worm screw elevating mechanism to be elevated and bearing capacity underbeam 7.Described worm screw elevating mechanism 10 comprises the worm screw be connected with handwheel, the worm gear be connected with worm mesh, passes and the leading screw be connected with a joggle with worm gear and the pressure head 8 be connected to bottom leading screw from worm gear centre.Described pressure head 8 is provided with pressure transducer.When hand wheel rotating, worm screw is driven to rotate, worm screw is rotated passes to worm gear, worm gear passes to leading screw again, thus leading screw is declined with the rotation of handwheel, and then makes pressure head do straight line elevating movement under the drive of handwheel, pressure head produces certain pressure to bearing capacity underbeam 7, bearing capacity underbeam 7 is moved downward, drives load bar 3 to draw experiment beam 1, thus complete stress test.
As shown in Figure 3-Figure 5, the described experiment beam support pedestal beam 22 that comprises support body 21, be arranged on the U-type groove 23 above support body 21 and be arranged in U-type groove.Described experiment beam 1 is placed in U-type groove 23.Design pedestal beam, is to ensure that experiment beam stress can drop on pedestal beam, thus drops in support body.Guarantee that experiment beam will cause bearing to occur because of discontinuity crooked.
As Figure 6-Figure 7, described experimental stand 5 comprises and from up to down sets gradually experiment table 51, connecting framework 53 and base for supporting 54.As is illustrated by figs. 11 and 12, described experiment table 51 is H type, comprise the two pieces of limiting plates 511 be arranged in parallel and the bearing loading plate 512 be arranged between two pieces of limiting plates 511, described bearing loading plate 512 be provided with two for load bar through and regulate the mounting hole 513 of spacing adjacent load bar.Described connecting framework 53 is two longitudinal bracing beams be arranged in parallel, is provided with handwheel support 52 between two longitudinal bracing beams.Described handwheel 4 is rotatably connected on handwheel support 52.Two bearer connection beams that described base for supporting 54 comprises two load level beams be arranged in parallel and is vertically set between two load level beams.Four end angle places of described base for supporting 54 are provided with the adjustable frames 6 for assurance device level, the adjusting bolt that described adjustable frames comprises base and is connected with whorl of base.When experimental provision placed side not at ordinary times, whole device level can be ensured by the height adjusting four adjusting bases, and then ensure the accuracy of material mechanics experiment result.
As shown in Figure 8 and Figure 9, described load bar 3 comprises Height Adjustable experiment beam holder, pull bar 34 and bearing capacity underbeam holder.The upper end of described pull bar 34 is detachably connected with experiment beam holder, and lower end is connected with bearing capacity underbeam holder.Described experiment beam 1 runs through and is arranged in experiment beam holder, and described bearing capacity underbeam 7 runs through and is arranged in bearing capacity underbeam holder.The side of described experiment beam holder is connected with Position Scale 11.
Described experiment beam holder comprises screw thread force rod 31, first whorl brace rod 33 and two pieces of web joints be arranged in parallel 32.The centre of described screw thread force rod 31 is stressed polished rod, and two ends are threaded joints.Described first whorl brace rod 33 is perfect thread connecting link.The two ends up and down of described web joint 32 are threaded with screw thread force rod 31, first whorl brace rod 33 respectively, and described web joint 32 is provided with several threaded connection holes.By arranging several threaded connection holes on web joint 32, the spacing between double thread force rod and whorl brace rod can regulate, thus enable this experiment beam holder be applicable to the experiment beam of plurality of specifications.
Described bearing capacity underbeam holder comprises the U-shaped link that Open Side Down 35 and runs through the second whorl brace rod 36 being arranged on U-shaped link 35 lower end.The side of described U-shaped link 35 is provided with threaded connection hole.
As shown in figure 13, described Position Scale 11 is movably connected in one end of screw thread force rod 31, and the upper end of described Position Scale 11 is provided with scale 111, and lower end is provided with the mounting hole 112 for running fix scale.The utility model can the length of experimentally beam, regulates the position of Position Scale, and accurately read the location point of experiment test.
Above-described embodiment is only be described preferred implementation of the present utility model; not scope of the present utility model is limited; under the prerequisite not departing from the utility model design spirit; the various distortion that those of ordinary skill in the art make the technical solution of the utility model and improvement, all should fall in protection domain that the utility model claims determine.
Claims (8)
1. an adjustable stress beam regularity of distribution test instrument, is characterized in that: comprise experiment beam, experiment beam support, experimental stand, load bar, worm screw elevating mechanism, for the handwheel that drives worm screw elevating mechanism to be elevated and bearing capacity underbeam;
Described experiment beam is placed on experiment beam support, and described experiment beam support is arranged on above experimental stand, and described handwheel and worm screw elevating mechanism are arranged on the experimental stand between experiment beam and bearing capacity underbeam;
Described load bar comprises Height Adjustable experiment beam holder, pull bar and bearing capacity underbeam holder; The upper end of described pull bar is detachably connected with experiment beam holder, and lower end is connected with bearing capacity underbeam holder; Described experiment beam runs through and is arranged in experiment beam holder, and described bearing capacity underbeam runs through and is arranged in bearing capacity underbeam holder; The side of described experiment beam holder is connected with Position Scale.
2. one according to claim 1 adjustable stress beam regularity of distribution test instrument, is characterized in that: the pedestal beam that described experiment beam support comprises support body, is arranged on the U-type groove above support body and is arranged in U-type groove.
3. one according to claim 1 adjustable stress beam regularity of distribution test instrument, is characterized in that: described experimental stand comprises and from up to down sets gradually experiment table, connecting framework and base for supporting; Described experiment table is H type, comprises the two pieces of limiting plates be arranged in parallel and the bearing loading plate be arranged between two pieces of limiting plates, described bearing loading plate be provided with for load bar through and regulate the mounting hole of spacing adjacent load bar; Described connecting framework is two longitudinal bracing beams be arranged in parallel, is provided with handwheel support between two longitudinal bracing beams; Two bearer connection beams that described base for supporting comprises two load level beams be arranged in parallel and is vertically set between two load level beams; Four end angle places of described base for supporting are provided with the adjustable frames for assurance device level, the adjusting bolt that described adjustable frames comprises base and is connected with whorl of base.
4. one according to claim 1 adjustable stress beam regularity of distribution test instrument, is characterized in that: described experiment beam holder comprises screw thread force rod, the first whorl brace rod and two pieces of web joints be arranged in parallel; The centre of described screw thread force rod is stressed polished rod, and two ends are threaded joints; Described first whorl brace rod is perfect thread connecting link; The two ends up and down of described web joint are threaded with screw thread force rod, the first whorl brace rod respectively, and described web joint is provided with several threaded connection holes;
Described bearing capacity underbeam holder comprises the U-shaped link that Open Side Down and runs through the second whorl brace rod being arranged on U-shaped link lower end; The side of described U-shaped link is provided with threaded connection hole.
5. one according to claim 1 adjustable stress beam regularity of distribution test instrument, is characterized in that: described worm screw elevating mechanism comprises the worm screw be connected with handwheel, the worm gear be connected with worm mesh, passes and the leading screw be connected with a joggle with worm gear and the pressure head be connected to bottom leading screw from worm gear centre.
6. one according to claim 4 adjustable stress beam regularity of distribution test instrument, it is characterized in that: described Position Scale is movably connected in one end of screw thread force rod, and described Position Scale is provided with the mounting hole for running fix scale.
7. one according to claim 5 adjustable stress beam regularity of distribution test instrument, is characterized in that: described pressure head is provided with pressure transducer.
8. one according to claim 1 adjustable stress beam regularity of distribution test instrument, is characterized in that: described handwheel comprises wheel muscle, wheel rim and handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520468635.4U CN204807242U (en) | 2015-06-30 | 2015-06-30 | Roof beam distributing of stress law test instrument with adjustable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520468635.4U CN204807242U (en) | 2015-06-30 | 2015-06-30 | Roof beam distributing of stress law test instrument with adjustable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204807242U true CN204807242U (en) | 2015-11-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520468635.4U Expired - Fee Related CN204807242U (en) | 2015-06-30 | 2015-06-30 | Roof beam distributing of stress law test instrument with adjustable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204807242U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105403374A (en) * | 2015-12-28 | 2016-03-16 | 北京汽车研究总院有限公司 | Test device |
| CN106404361A (en) * | 2016-06-28 | 2017-02-15 | 浙江工业大学 | Adjusting apparatus for structural test loading reaction frame |
-
2015
- 2015-06-30 CN CN201520468635.4U patent/CN204807242U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105403374A (en) * | 2015-12-28 | 2016-03-16 | 北京汽车研究总院有限公司 | Test device |
| CN106404361A (en) * | 2016-06-28 | 2017-02-15 | 浙江工业大学 | Adjusting apparatus for structural test loading reaction frame |
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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: 20151125 Termination date: 20160630 |
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| CF01 | Termination of patent right due to non-payment of annual fee |