CN204807401U - Wall body plane extra income tie load force transmission frame device that evenly loads - Google Patents
Wall body plane extra income tie load force transmission frame device that evenly loads Download PDFInfo
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- CN204807401U CN204807401U CN201520544665.9U CN201520544665U CN204807401U CN 204807401 U CN204807401 U CN 204807401U CN 201520544665 U CN201520544665 U CN 201520544665U CN 204807401 U CN204807401 U CN 204807401U
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 96
- 238000012546 transfer Methods 0.000 claims abstract description 93
- 238000011068 loading method Methods 0.000 claims abstract description 47
- 238000002474 experimental method Methods 0.000 abstract description 2
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 15
- 238000000034 method Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The utility model relates to an experiment load loading device, specifically speaking is a wall body plane extra income tie load force transmission frame device that evenly loads, including multistage load transfer device, every grade of load transfer device except that last one -level load transfer device includes all that one passes the mechanical axis and lies in the link joint that passes the mechanical axis both ends, and the biography mechanical axis that is connected with in the next stage load transfer device is all rotated at the both ends of every link joint on every grade of biography mechanical axis, be equipped with between two link joints of one -level load transfer device and install passing the epaxial atress girder of power, be equipped with hydraulic jack on the atress girder, last one -level load transfer device includes that passes a mechanical axis, passes on mechanical axis and the last one -level load transfer device link joint rotation of one -level load transfer device and is connected, and the support is installed respectively at the both ends of the biography mechanical axis of last one -level load transfer device, and the rigid coupling has a support fixed plate on each support, and each support fixed plate in the last one -level load transfer device is fixed on the wall body plane. The utility model discloses have that but push -and -pull, loading precision are high, the stress loss is little, can be used to characteristic such as experimental in batches.
Description
Technical field
The utility model relates to experiment load charger, and specifically the outer Horizontally distributed loading of a kind of wall plane loads force transmission rack device.
Background technology
Make the external force of structure or component generation internal forces distribution and other factors be called load, horizontal loading is then the load that structure or component are born in the horizontal direction.Be that load classification meets the requirements to the loading basic demand of the outer Horizontally distributed loading of wall plane, charger safety, reliable, loading accuracy is high, and stress loss is little, loads evenly, convenient and simple for operation etc.
Laboratory when carrying out structural test, should on test structure the load of reproduction demands, i.e. trial load.The trial load overwhelming majority is simulating load, and the method producing these simulating loads is a lot, is generally all produced by loading equipemtn and test unit; The various test units etc. that the loading equipemtn that can be used for structural test has weight air pressure, mechanical tool, hydraulic pressure, power exciting and matches with them.Loading test is the basic skills of structural test, and the method and the loading equipemtn that produce load have many types, as gravitational load, mechanical load, hydraulic loaded and specific process etc.
Gravitational load: gravity laod is exactly utilize the weight of object itself object to be put on load mode as load on test structure.Weight directly on load test structure or component, also can be added on structure or component by lever indirectly.The advantage of gravitational load: trial load can be gathered materials on the spot, reusable, just for the distortion of test structure or test specimen, can keep dead load, gradable loading, is easily controlling; Shortcoming: need in loading procedure to spend larger labour, occupy larger space, poor stability, test organization's difficulty is large.
Hydraulic loaded: the control stand that hydraulic loading system is mainly connected to form by high-pressure oil pipe by fuel reserve tank, high-pressure oil pump, hydraulic pressure loading device, device for measuring force and all kinds of valve.The advantage of hydraulic loaded: more practical to the structure of tonnage, large deflection, not by the restriction of the Distance geometry height of load loading point.Shortcoming: for the evenly load load mode that load(ing) point is more, load pitch-limited, number of devices demand is more, and human users's accuracy requirement is too high; Can not realize biaxial loadings repeatedly, loading direction is single limited.
At present, the loading method that laboratory is carrying out the most often adopting in structural test is hydraulic loaded.
Utility model content
Carry the problems referred to above of equipment existence to solve existing hydraulic pressure frame, the purpose of this utility model is to provide the outer Horizontally distributed loading of a kind of wall plane to load force transmission rack device.This force transmission rack device meets the loading requirement of laboratory evenly load multipoint excitation, and can realize the two-way reverse cyclic loadings of load.
The purpose of this utility model is achieved through the following technical solutions:
The utility model comprises Multi-stage transmission power apparatus, every grade of load transfer device except afterbody load transfer device includes a force transmission shaft and is positioned at the carrier bar at these force transmission shaft two ends, and on described every grade of force transmission shaft, the two ends of each carrier bar are all rotatably connected to the force transmission shaft in next stage load transfer device; Be provided with the carrying main beam be arranged on described one-level load transfer device force transmission shaft between two carrier bars of one-level load transfer device, this carrying main beam is provided with the hydraulic jack providing loading force; Afterbody load transfer device comprises a force transmission shaft, the carrier bar of this force transmission shaft and described afterbody load transfer device upper level load transfer device is rotationally connected, the two ends of the force transmission shaft of described afterbody load transfer device are separately installed with bearing, each described bearing is connected with bearing fixed head, each described bearing fixed head in described afterbody load transfer device is fixed on wall plane, the loading force that described hydraulic jack provides loads on described wall plane by load transfer device at different levels, forms outer Horizontally distributed loading.
Wherein: described force transmission shaft at different levels is equipped with multiple draw-in groove vertically, carrier bar on each described force transmission shaft and not only relatively rotated between force transmission shaft, but also moving axially along force transmission shaft, by being arranged in described draw-in groove, being positioned at the axle collar of described carrier bar both sides and locating; Described bearing fixed head is fixed by screws on wall plane, and the connector of described screw is provided with force snesor;
Described load transfer device is three grades, be respectively one-level load transfer device, middle rank load transfer device and bottom load transfer device, described intermediate load transfer device comprises intermediate force transmission shaft and intermediate carrier bar, described bottom load transfer device comprises bottom force transmission shaft, bearing and bearing fixed head, in described one-level load transfer device, every one end of two one-level carrier bars is all connected with an intermediate force transmission shaft, the two ends of every root middle rank force transmission shaft are equipped with two intermediate carrier bars, the two ends of each described intermediate carrier bar are all connected with a foundation layer force transmission shaft, the two ends of every foundation layer force transmission shaft are all connected with described bearing, each bearing is all fixed on a bearing fixed head, two one-level carrier bars in described one-level load transfer device are parallel to each other, and two intermediate carrier bars in each described intermediate load transfer device on intermediate force transmission shaft are parallel to each other, force transmission shaft in described one-level load transfer device parallels with each described intermediate force transmission shaft and each bottom force transmission shaft, described one-level load transfer device is one group, and the quantity of intermediate load transfer device is four times of one-level load transfer device, and the quantity of bottom load transfer device is four times of intermediate load transfer device.
Advantage of the present utility model and good effect are:
1. the utility model have can push-and-pull, loading accuracy is high, stress loss is little, can be used for the characteristics such as bulge test, can meet the loading demand of various sample.
2. both rotatable between carrier bar of the present utility model and force transmission shaft, can move vertically again, and located by axle collar, loading surface dimension adjustable, force transmission rack device entirety can be made effectively to contact completely with surface of wall, thus simulate the actual conditions of the evenly load of surface of wall more really.
3. the utility model load that can load is large, simple to operate, can realize low cycle repetitive load and load, carry out push-pull test repeatedly.
4. the utility model is a kind of novel load charger integrating the superiority such as loading accuracy is high, stress loss is little, loading surface dimension adjustable, simple to operate, manufacture craft is simple, avoid a difficult problem for discontinuity when laboratory level evenly load loads, also solve the shortcoming also solving Multipoint synchronous loading and unloading difficulty.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Wherein: 1 is carrying main beam, 2 is end axle, and 3 is one-level carrier bar, and 4 is intermediate force transmission shaft, and 5 is intermediate carrier bar, and 6 is bottom force transmission shaft, and 7 is bearing, and 8 is bearing fixed head.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
The utility model comprises Multi-stage transmission power apparatus, every grade of load transfer device except afterbody load transfer device includes a force transmission shaft and is positioned at the carrier bar at these force transmission shaft two ends, and on every grade of force transmission shaft, the two ends of each carrier bar are all rotatably connected to the force transmission shaft in next stage load transfer device; Be provided with the carrying main beam 1 be arranged on one-level load transfer device force transmission shaft between two carrier bars of one-level load transfer device, this carrying main beam 1 is provided with the hydraulic jack providing loading force; Afterbody load transfer device comprises a force transmission shaft, the carrier bar of this force transmission shaft and afterbody load transfer device upper level load transfer device is rotationally connected, the two ends of the force transmission shaft of afterbody load transfer device are separately installed with bearing 7, each bearing 7 is connected with bearing fixed head 8, each bearing fixed head 8 in afterbody load transfer device is fixed on wall plane, the loading force that hydraulic jack provides loads on wall plane by load transfer device at different levels, forms outer Horizontally distributed loading.
Force transmission shaft at different levels is equipped with multiple draw-in groove vertically, the carrier bar on each force transmission shaft and not only relatively rotated between force transmission shaft, but also moving axially along force transmission shaft, by being arranged in draw-in groove, being positioned at the axle collar of carrier bar both sides and locating.
Bearing fixed head 8 is fixed by screws on wall plane, and the connector of screw is provided with force snesor.
As shown in Figure 1, the load transfer device of the present embodiment is three grades, be respectively one-level load transfer device, intermediate load transfer device and bottom load transfer device, wherein one-level load transfer device is one group and comprises end axle 2, the carrying main beam 1 as force transmission shaft and two one-level carrier bars 3; The quantity of middle rank load transfer device is four times (namely intermediate load transfer device is 4 groups) of one-level load transfer device, often organizes intermediate load transfer device and includes an intermediate force transmission shaft 4 and two intermediate carrier bars 5; The quantity of bottom load transfer device is four times (namely bottom load transfer device is 16 groups) of intermediate load transfer device, often organizes bottom load transfer device and includes a foundation layer force transmission shaft 6, two bearings 7 and two bearing fixed heads 8.
End axle 2, each intermediate force transmission shaft 4 and each bottom force transmission shaft 6 are parallel to each other, and every root force transmission shaft is provided with multiple draw-in groove all vertically, both can relatively rotate between one-level carrier bar 3 and intermediate force transmission shaft 4, between intermediate carrier bar 5 and bottom force transmission shaft 6, can move vertically again, one-level carrier bar 3 is by be set on intermediate force transmission shaft 4 and the axle collar being positioned at one-level carrier bar 3 both sides is located, middle rank carrier bar 5 is by be set on bottom force transmission shaft 6 and the axle collar being positioned at intermediate carrier bar 5 both sides is located, and axle collar is stuck in the draw-in groove of each force transmission shaft.Can be different according to wall size, regulate the position of force transmission rack device load(ing) point, namely carrier bar is axially moveable at force transmission shaft, to be moved after desired location, uses axle collar to locate, have adjusted the position of force transmission rack device load(ing) point.
Carrying main beam 1 is between two one-level carrier bars 3, and two one-level carrier bars 3 are parallel to each other, and often organizes in intermediate load transfer device and is parallel to each other between two intermediate carrier bars 5, often organizes in bottom load transfer device and is parallel to each other between two bottom force transmission shafts 6.The two ends of every foundation layer force transmission shaft 6 are all connected with bearing 7, each bearing 7 are all welded with a bearing fixed head 8, ensure that bearing 7 is vertical with bearing fixed head 8 and do not deform.
The material of load transfer device at different levels of the present utility model is Q235 steel
Principle of work of the present utility model is:
The utility model is when applying uniform horizontal loading to wall plane under horizontal loads, according to the wall plane size of design, bearing fixed head 8 is fixed on the surface of body of wall, installing force sensor on screw connector, realizes the load transfer device of the horizontal push-and-pull campaign to body of wall.Be specially:
Should assemble step by step during assembling, for the present embodiment, each group of bottom load transfer device is first installed, each bearing fixed head 8 is screwed on wall plane, installing force sensor on the connector of screw.Then each group of middle rank load transfer device be installed, finally one-level load transfer device be installed, carrying main beam 1 installs hydraulic jack.When force transmission shaft is connected with carrier bar, spacing in preferred dimension position with axle collar.When being placed on wall plane by force transmission rack device, should ensure that all bearing fixed heads 8 contact completely with wall plane, all bearings 7 perpendicular to wall plane, to ensure that power transmission is even.
There is provided loading force by hydraulic jack, because relatively rotating between carrier bar and force transmission shaft, therefore can realize loading the power transmission of the horizontal bidirectional push-and-pull campaign of wall plane.
Claims (6)
1. the outer Horizontally distributed loading of wall plane loads force transmission rack device, it is characterized in that: comprise Multi-stage transmission power apparatus, every grade of load transfer device except afterbody load transfer device includes a force transmission shaft and is positioned at the carrier bar at these force transmission shaft two ends, and on described every grade of force transmission shaft, the two ends of each carrier bar are all rotatably connected to the force transmission shaft in next stage load transfer device; Be provided with the carrying main beam (1) be arranged on described one-level load transfer device force transmission shaft between two carrier bars of one-level load transfer device, this carrying main beam (1) is provided with the hydraulic jack providing loading force; Afterbody load transfer device comprises a force transmission shaft, the carrier bar of this force transmission shaft and described afterbody load transfer device upper level load transfer device is rotationally connected, the two ends of the force transmission shaft of described afterbody load transfer device are separately installed with bearing (7), each described bearing (7) is connected with bearing fixed head (8), each described bearing fixed head (8) in described afterbody load transfer device is fixed on wall plane, the loading force that described hydraulic jack provides loads on described wall plane by load transfer device at different levels, forms outer Horizontally distributed loading.
2. load force transmission rack device by the outer Horizontally distributed loading of wall plane according to claim 1, it is characterized in that: described force transmission shaft at different levels is equipped with multiple draw-in groove vertically, carrier bar on each described force transmission shaft and not only relatively rotated between force transmission shaft, but also moving axially along force transmission shaft, by being arranged in described draw-in groove, being positioned at the axle collar of described carrier bar both sides and locating.
3. load force transmission rack device by the outer Horizontally distributed loading of wall plane according to claim 1, it is characterized in that: described bearing fixed head (8) is fixed by screws on wall plane, and the connector of described screw is provided with force snesor.
4. load force transmission rack device by the outer Horizontally distributed loading of wall plane according to claim 1, it is characterized in that: described load transfer device is three grades, be respectively one-level load transfer device, middle rank load transfer device and bottom load transfer device, described intermediate load transfer device comprises intermediate force transmission shaft (4) and intermediate carrier bar (5), described bottom load transfer device comprises bottom force transmission shaft (6), bearing (7) and bearing fixed head (8), in described one-level load transfer device, every one end of two one-level carrier bars (3) is all connected with an intermediate force transmission shaft (4), the two ends of every root middle rank force transmission shaft (4) are equipped with two intermediate carrier bars (5), the two ends of each described intermediate carrier bar (5) are all connected with a foundation layer force transmission shaft (6), the two ends of every foundation layer force transmission shaft (6) are all connected with described bearing (7), each bearing (7) is all fixed on a bearing fixed head (8).
5. load force transmission rack device by the outer Horizontally distributed loading of wall plane according to claim 4, it is characterized in that: two one-level carrier bars (3) in described one-level load transfer device are parallel to each other, two intermediate carrier bars (5) in each described intermediate load transfer device on intermediate force transmission shaft (4) are parallel to each other; Force transmission shaft in described one-level load transfer device parallels with each described intermediate force transmission shaft (4) and each bottom force transmission shaft (6).
6. load force transmission rack device by the outer Horizontally distributed loading of the wall plane described in claim 4 or 5, it is characterized in that: described one-level load transfer device is one group, the quantity of middle rank load transfer device is four times of one-level load transfer device, and the quantity of bottom load transfer device is four times of intermediate load transfer device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520544665.9U CN204807401U (en) | 2015-07-24 | 2015-07-24 | Wall body plane extra income tie load force transmission frame device that evenly loads |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520544665.9U CN204807401U (en) | 2015-07-24 | 2015-07-24 | Wall body plane extra income tie load force transmission frame device that evenly loads |
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| Publication Number | Publication Date |
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| CN204807401U true CN204807401U (en) | 2015-11-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520544665.9U Expired - Fee Related CN204807401U (en) | 2015-07-24 | 2015-07-24 | Wall body plane extra income tie load force transmission frame device that evenly loads |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105758658A (en) * | 2016-04-15 | 2016-07-13 | 清华大学 | Experiment loading device for realizing large-size model multipoint load distribution |
| CN108519287A (en) * | 2018-04-02 | 2018-09-11 | 山东大学 | A kind of rotatable model test loading device and loading method |
| CN111238918A (en) * | 2020-02-18 | 2020-06-05 | 大连理工大学 | In-line mechanical multipoint uniform loading tool |
-
2015
- 2015-07-24 CN CN201520544665.9U patent/CN204807401U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105758658A (en) * | 2016-04-15 | 2016-07-13 | 清华大学 | Experiment loading device for realizing large-size model multipoint load distribution |
| CN108519287A (en) * | 2018-04-02 | 2018-09-11 | 山东大学 | A kind of rotatable model test loading device and loading method |
| CN111238918A (en) * | 2020-02-18 | 2020-06-05 | 大连理工大学 | In-line mechanical multipoint uniform loading tool |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151125 |