CN108593275A - A kind of truss loading device - Google Patents
A kind of truss loading device Download PDFInfo
- Publication number
- CN108593275A CN108593275A CN201810405679.0A CN201810405679A CN108593275A CN 108593275 A CN108593275 A CN 108593275A CN 201810405679 A CN201810405679 A CN 201810405679A CN 108593275 A CN108593275 A CN 108593275A
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- Prior art keywords
- truss
- bearing
- chord
- fixed seat
- loading device
- Prior art date
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- 229910000831 Steel Inorganic materials 0.000 claims description 16
- 239000010959 steel Substances 0.000 claims description 16
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
This technology discloses a kind of truss loading device, including basic fixed seat, the basis fixed seating face both sides are symmetrically arranged with bearing, and web member is provided between the bearing, and chord member of truss is removably connected on bearing, the intersection point between the chord member of truss and the web member is chord joint；It is provided with chord joint cushion block on the chord joint, and fixed pulley is fixedly connected on chord joint cushion block；It is provided with multiple pulley blocks in the basic fixed seat.Tractor haulage cable in the loading device loads truss by loading fixed pulley, can realize that the stepless variation of loading force, size are arbitrarily adjusted, and reaches accurate load effect, truss avoids tilting during use, easy to use.
Description
Technical field
This technology belongs to timber structure detection field, specifically, being related to a kind of truss loading device.
Background technology
The general plane or space structure with triangular element that truss is generally made of straight-bar, truss member are mainly held
By axial tension or pressure, so as to make full use of the intensity of material, material is saved than solid web girder when span is larger, is mitigated
Dead weight and increase rigidity.
In order to which the bearing capacity to truss is tested, need to carry out load test to it using loading device.But it is existing
Truss loading device when in use loading force can not step-less adjustment, cause certain inconvenience in use.
Invention content
1, it to solve the problems, such as
For existing truss loading device problem inconvenient for use, this technology be designed to provide one kind can step-less adjustment add
The rack loading device of power is carried, to solve the problems mentioned in the above background technology.
2, technical solution
To achieve the above object, this patent provides the following technical solutions：
A kind of truss loading device, including basic fixed seat 9, both sides are symmetrically arranged with bearing 4 in the basic fixed seat 9,
For placing truss on the bearing 4；The chord member 1 of truss and 3 top of intersection point, that is, chord joint of web member 2 are provided with chord joint cushion block
7,7 upper surface of chord joint cushion block is horizontal plane, and is fixedly connected with fixed pulley 5 thereon；The following table that chord joint cushion block 7 is contacted with chord joint 3
The plane that face coincide with 3 contact position of chord joint；Being provided in basic fixed seat 9 prevents truss anti-to the crooked at least a pair in side
Topple bar 11, and truss is located between the two overturn-preventing bars 11 to partner；The column there are two settings in basic fixed seat 9,
One crossbeam 12 is arranged on column；The tractor 10 for haulage cable is provided on crossbeam 12；Steel wire rope bypasses fixed pulley
5, multiple pulley blocks 8, steel wire rope one end are connected with tractor 10, and the other end is fixedly linked with basic fixed seat 9；Around fixed pulley
5 steel wire rope is straight down.
A kind of above-mentioned truss loading device, tractor 10 are movably disposed on crossbeam 12.
A kind of above-mentioned truss loading device, crossbeam 12 can be arranged on column up or down.
A kind of above-mentioned truss loading device, a bearing are integrally fixed at hold-down support in basic fixed seat 9, another bearing is
The movable bearing support that can be moved relative to a bearing in the plane where truss, movable bearing support setting are movably disposed at
In basic fixed seat 9.
3, advantageous effect
Compared with prior art, the advantageous effect of this patent is：
Tractor haulage cable in the loading device loads truss by load fixed pulley, can realize loading force
Stepless variation, size are arbitrarily adjusted, and reach accurate load effect, overturn-preventing bar avoids truss from tilting during use, user
Just.The setting of chord joint cushion block can prevent chord joint cushion block from moving on chord joint top in load；7 upper surface of chord joint cushion block is as water
Plane is fixedly connected with fixed pulley, and the steel wire rope for bypassing fixed pulley straight down, ensure that steel wire rope adds truss straight down
Carry active force, the accuracy of guarantee test.
Tractor is movably disposed on crossbeam, and the section that can be winded up according to different size of truss, truss is set（Fixed pulley）
Deng difference, and adjust the position of tractor.
Crossbeam can be arranged on column up or down, and position can be adjusted, to adapt to different size of truss.
Two bearings, one uses hold-down support, another uses movable bearing support, and in truss stress, movable bearing support can move
It is dynamic, the deformation of truss will not be counteracted, improve test accuracy.
Description of the drawings
Fig. 1 is the structural schematic diagram of truss loading device.
Fig. 2 is the schematic enlarged-scale view at A in truss loading device shown in Fig. 1.
Fig. 3 is the stereoscopic schematic diagram of truss loading device.
In figure：The top boom of 1- truss；The web member of 2- truss；3- chord joints；4- bearings；5- fixed pulleys；6- steel wire ropes；7- chord joint pads
Block；8- pulley blocks；The bases 9- fixed seat；10- tractors；11- overturn-preventing bars；12- crossbeams；13- columns.
Specific implementation mode
Below in conjunction with the attached drawing in this patent embodiment, the technical solution in this patent embodiment is carried out clearly and completely
Description, it is clear that described embodiment is only this patent a part of the embodiment, instead of all the embodiments.Specially based on this
Embodiment in profit, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example belongs to the range of this patent protection.
Please refer to Fig.1~3, in this patent embodiment, a kind of truss loading device, including basic fixed seat 9, the basis are solid
9 surface both sides of reservation are symmetrically arranged with bearing 4, and the bearing 4 described in one of them is fixed-hinged support, the bearing described in another
4 be sliding hinged-support, and 4 spacing of bearing described in two is adjustably mobile to be arranged in basic fixed seat 9.
The lower boom both ends of truss are arranged on two bearings.Intersection point between the top boom 1 and web member 2 of truss is chord joint 3.
It is provided with chord joint cushion block 7 on the chord joint 3, and is fixedly connected with fixed pulley 5 on chord joint cushion block 7；
It is provided with multiple pulley blocks 8 in the basic fixed seat 9；
It is connected by steel wire rope 6 between the fixed pulley 5 and the pulley blocks 8；
The basic fixed seat 9, which is provided at both ends with, prevents truss to two pairs of crooked overturn-preventing bars 11 of side, and truss is located at group
Between two overturn-preventing bars 11 in a pair.It is fixedly connected with crossbeam between two columns 13 being fixed in basic fixed seat 9
12, be provided with the tractor 10 that can be moved left and right on crossbeam 12, described 6 one end of steel wire rope in basic fixed seat 9 some
Fixed point is fixedly connected, and the other end of steel wire rope 6 is connect with tractor 10.Steel wire rope 6 bypasses fixed pulley 5 and pulley blocks 8, bypasses
Fixed pulley（5）Both sides steel wire rope straight down.
When load, steel wire rope 6 is gradually tightened by tractor 10, truss is loaded by fixed pulley, chord joint cushion block.By leading
Draw device 10 different to the tightening degree of steel wire rope, you can stepless change loading force.
It is obvious to a person skilled in the art that this patent is not limited to the details of above-mentioned exemplary embodiment, and do not carrying on the back
In the case of spirit or essential attributes from this patent, this technology can be realized in other specific forms.Therefore, no matter from which
From the point of view of a bit, the present embodiments are to be considered as illustrative and not restrictive, and the range of this patent is wanted by appended right
Ask rather than above description limit, it is intended that by all changes that come within the meaning and range of equivalency of the claims
It includes in this patent.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment only includes one
A independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should will say
As a whole, the technical solutions in the various embodiments may also be suitably combined for bright book, and forming those skilled in the art can be with
The other embodiment of understanding.
Claims (4)
1. a kind of truss loading device, including basic fixed seat（9）, which is characterized in that the basic fixed seat（9）Upper both sides
It is symmetrically arranged with bearing（4）, the bearing（4）On for placing truss；In the chord member of truss（1）With web member（2）Intersection point
That is chord joint（3）Top is provided with chord joint cushion block（7）, chord joint cushion block（7）Upper surface is horizontal plane, and is fixedly connected with determines cunning thereon
Wheel（5）；Chord joint cushion block（7）With chord joint（3）The lower surface of contact and chord joint（3）The identical plane in contact position；In basic fixed seat
（9）On be provided with and prevent truss to crooked at least a pair of of the overturn-preventing bar in side（11）, it is anti-that truss is located at two to partner
Topple bar（11）Between；In basic fixed seat（9）There are two column, a crossbeams for upper setting（12）It is arranged on column；Crossbeam
（12）On be provided with tractor for haulage cable（10）；Steel wire rope bypasses fixed pulley（5）, multiple pulley blocks（8）, steel wire
Rope one end and tractor（10）It is connected, the other end and basic fixed seat（9）It is fixedly linked；Around fixed pulley（5）Steel wire rope it is perpendicular
It is straight downward.
2. a kind of truss loading device according to claim 1, which is characterized in that tractor（10）It is movably disposed at
Crossbeam（12）On.
3. a kind of truss loading device according to claim 1, which is characterized in that crossbeam（12）It can set up or down
It sets on column.
4. a kind of truss loading device according to claim 1, which is characterized in that a bearing is integrally fixed at basic fixation
Seat（9）Upper hold-down support, another bearing is can be relative to the activity branch of a bearing movement in the plane where truss
Seat, movable bearing support setting are movably disposed at basic fixed seat（9）On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810405679.0A CN108593275B (en) | 2018-04-29 | 2018-04-29 | Truss loading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810405679.0A CN108593275B (en) | 2018-04-29 | 2018-04-29 | Truss loading device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108593275A true CN108593275A (en) | 2018-09-28 |
| CN108593275B CN108593275B (en) | 2023-11-24 |
Family
ID=63620134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810405679.0A Active CN108593275B (en) | 2018-04-29 | 2018-04-29 | Truss loading device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108593275B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109883815A (en) * | 2019-03-28 | 2019-06-14 | 长安大学 | A kind of device preventing tilting for single-beam load test |
| CN112268671A (en) * | 2020-11-05 | 2021-01-26 | 上海宝冶工程技术有限公司 | Cable-carrying machine loading test rack device |
| CN114604566A (en) * | 2020-12-08 | 2022-06-10 | 泰富重工制造有限公司 | Method for penetrating long-distance adhesive tape by utilizing various process platform type trusses |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1990005220A1 (en) * | 1988-11-03 | 1990-05-17 | Garry Randall Hart | Adjustable space frames and trusses |
| CN102127898A (en) * | 2010-12-22 | 2011-07-20 | 中铁大桥局集团第四工程有限公司 | Device and method for turning over steel truss girder member |
| CN203361654U (en) * | 2013-07-24 | 2013-12-25 | 中煤建设集团工程有限公司 | Prefabricated steel frame component |
| CN104060759A (en) * | 2014-06-11 | 2014-09-24 | 江苏科技大学 | Truss string structure internally provided with inclined guy ropes |
| CN105439008A (en) * | 2015-12-29 | 2016-03-30 | 中联重科股份有限公司 | Truss hinge lug connecting structure, truss extension arm support, arm support system and crane |
| CN206387645U (en) * | 2016-12-30 | 2017-08-08 | 南京林业大学 | A kind of truss loading device |
-
2018
- 2018-04-29 CN CN201810405679.0A patent/CN108593275B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1990005220A1 (en) * | 1988-11-03 | 1990-05-17 | Garry Randall Hart | Adjustable space frames and trusses |
| CN102127898A (en) * | 2010-12-22 | 2011-07-20 | 中铁大桥局集团第四工程有限公司 | Device and method for turning over steel truss girder member |
| CN203361654U (en) * | 2013-07-24 | 2013-12-25 | 中煤建设集团工程有限公司 | Prefabricated steel frame component |
| CN104060759A (en) * | 2014-06-11 | 2014-09-24 | 江苏科技大学 | Truss string structure internally provided with inclined guy ropes |
| CN105439008A (en) * | 2015-12-29 | 2016-03-30 | 中联重科股份有限公司 | Truss hinge lug connecting structure, truss extension arm support, arm support system and crane |
| CN206387645U (en) * | 2016-12-30 | 2017-08-08 | 南京林业大学 | A kind of truss loading device |
Non-Patent Citations (2)
| Title |
|---|
| 徐伟涛 等: "开孔洞单板层积材搁栅受力性能分析及胶合板增强研究", 林产工业, vol. 43, no. 11, pages 30 - 34 * |
| 王海波 等: "外接式钢桁-槽型梁组合桁架节点模型试验研究", 铁道科学与工程学报, vol. 12, no. 02, pages 323 - 329 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109883815A (en) * | 2019-03-28 | 2019-06-14 | 长安大学 | A kind of device preventing tilting for single-beam load test |
| CN109883815B (en) * | 2019-03-28 | 2022-06-21 | 长安大学 | A anti-tilt device for monospar loading test |
| CN112268671A (en) * | 2020-11-05 | 2021-01-26 | 上海宝冶工程技术有限公司 | Cable-carrying machine loading test rack device |
| CN112268671B (en) * | 2020-11-05 | 2022-11-01 | 上海宝冶工程技术有限公司 | Cable-carrying machine loading test rack device |
| CN114604566A (en) * | 2020-12-08 | 2022-06-10 | 泰富重工制造有限公司 | Method for penetrating long-distance adhesive tape by utilizing various process platform type trusses |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108593275B (en) | 2023-11-24 |
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