CN103940627A - Bidirectional sliding device suitable for civil engineering space loading test - Google Patents
Bidirectional sliding device suitable for civil engineering space loading test Download PDFInfo
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- CN103940627A CN103940627A CN201410145357.9A CN201410145357A CN103940627A CN 103940627 A CN103940627 A CN 103940627A CN 201410145357 A CN201410145357 A CN 201410145357A CN 103940627 A CN103940627 A CN 103940627A
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Abstract
A bidirectional sliding device suitable for a civil engineering space loading test comprises a connecting support, an upper layer sliding and moving structure and a lower layer sliding and moving structure from top to bottom, wherein the upper layer sliding and moving structure is fixedly mounted below the connecting support, the lower layer sliding and moving structure is located below the upper layer sliding and moving structure and is connected with the upper layer siding and moving structure, and the sliding and moving direction of the upper layer sliding and moving structure is perpendicular to that of the lower layer sliding and moving structure. The connecting support is fixed to a reaction force frame or a ground groove, an actuator is connected with one face of the lower layer sliding and moving structure so that the actuator can move in the direction of a lower layer linear sliding guide rail, and the other face of the lower layer sliding and moving structure is connected with the upper layer sliding and moving structure so that the lower layer sliding and moving structure and the actuator can move in the direction of an upper layer linear sliding guide rail. According to the bidirectional sliding device suitable for the civil engineering space loading test, the free sliding of the actuator along with the displacement of a loading point of a test part in any direction can be achieved when the actuator connected with the bidirectional sliding device applies loads to the test part; meanwhile, the loading direction of the actuator is unchanged all the time, and additional constraining force is not generated.
Description
Technical field
The invention belongs to civil engineering structure test field, relate to the research of structural test part being carried out to various load tests, be particularly useful for testpieces to carry out when space loads load to have living space with the test of moving demand.
Background technology
Space performance for research structure, usually need structure to carry out the loading of 3 directions, comprise xial feed and two-way horizontal load, during loading, in order to guarantee the accuracy of two-way horizontal load measurement, require xial feed can remain vertically, can freely follow along with load(ing) point, do not produce constraint reaction.Existing apparatus level, the actuator that applies axial force can only directly be hinged on reaction frame or realize at most unidirectional moving slip of following, cannot be two-way with moving; Under this condition, along with the distortion of testpieces, axial force can not remain on vertical direction, will produce in the horizontal direction component, in the vertical force size of vertical direction, also change, and cause serious test error, hinder the development of space structure test.
Summary of the invention
The object of the present invention is to provide a kind of two way sliding apparatus that is applicable to structure space load test, it can meet actuator planar any direction freely follow slip, and alleviate to greatest extent the adverse effect of force of sliding friction, to obtain in test three-dimensional counter-force accurately.
In order to achieve the above object, technical scheme of the present invention is as follows:
A kind of two way sliding apparatus that is applicable to civil engineering work space load test, comprise successively from top to bottom the upper strata Sliding Structures that connects bearing, is fixedly installed in described connection bearing below, the lower floor's Sliding Structures that is positioned at Sliding Structures below, described upper strata and is slidably connected with described upper strata slipping mechanism, described lower floor Sliding Structures is used for connecting actuator, the vertical setting of glide direction of the glide direction of described upper strata Sliding Structures and described lower floor Sliding Structures.
Preferably; described connection bearing is the body structure that Open Side Down; comprise four sidewalls that protection baffle plate and vertical described protection baffle plate arrange; described protection baffle plate lower surface and described upper strata Sliding Structures are connected and fixed via built-in bolt, and the bolt hole that described protection baffle plate upper surface is also provided with is to be fixedly connected with reaction frame or other fixed equipments.
Preferably; described upper strata Sliding Structures comprises the sliding straight guide rail in upper strata from top to bottom successively, along upper strata slide block and the upper strata slide block fixed head of the sliding straight guide rail slippage in described upper strata; the sliding straight guide rail in described upper strata is fixedly connected with the described protection baffle plate that is connected bearing via built-in bolt, and described upper strata slide block is fixedly connected with upper strata slide block fixed head.
Further, described upper strata Sliding Structures also comprises many upper strata slide rails control bolts, on the subtend sidewall of described connection bearing and the parallel described upper strata of slide block fixed head, described upper strata Sliding Structures glide direction, one group of correspondence has upper strata slide rail and controls screw between two, and the upper strata slide rail that the two ends that described many upper strata slide rails are controlled bolts are arranged on respectively on the upper strata slide block fixed head sidewall of described connection bearing sidewall and subtend is controlled in screw to fix the slip of described upper strata Sliding Structures.
Described upper strata slide block is fixedly connected with via bolt with upper strata slide block fixed head.
Preferably, described lower floor Sliding Structures comprises the sliding straight guide rail of lower floor from top to bottom successively, along lower floor's slide block of the sliding straight guide rail slippage of described lower floor and for connecting lower floor's slide block fixed head of actuator, the sliding straight guide rail of described lower floor is fixed on described upper strata slide block fixed head below, and described lower floor slide block is fixedly connected with described lower floor slide block fixed head.
Further, described lower floor Sliding Structures also comprises Duo Gen lower floor slide rail control bolt, connect on the subtend sidewall of bearing and the vertical upper strata of described lower floor's slide block fixed head Sliding Structures glide direction between two one group of correspondence and have lower floor's slide rail and control screw, lower floor's slide rail that the two ends that described Duo Gen lower floor slide rail is controlled bolt are arranged on respectively on lower floor's slide block fixed head sidewall of described connection bearing sidewall and subtend is controlled in screw to fix the slip of described lower floor Sliding Structures.
Described upper strata slide block fixed head is adopting the sliding straight guide rail of built-in bolt and lower floor to be connected perpendicular to described vertical upper strata Sliding Structures glide direction.
Described lower floor slide block is fixedly connected with via bolt with lower floor slide block fixed head.
The moving line slideway in upper strata and the sliding straight guide rail of described lower floor are 1% the precise guide rail that friction force is not more than normal pressure.
Owing to adopting such scheme, the invention has the beneficial effects as follows:
The shown in the present two way sliding apparatus that is applicable to structure space load test, can realize coupled actuator when to testpieces load application, to the displacement of testpieces load(ing) point any direction freely follow slip, guaranteed that the loading direction of actuator is constant all the time simultaneously.Connect bearing and be fixed on reaction frame or geosyncline place, upper strata slipping mechanism be connected bearing and be fixedly connected to form a stable slip plane, lower floor's slipping mechanism simultaneously connects actuator, thereby the direction of the sliding straight guide rail of actuator Ke Yan lower floor is with moving, thereby lower floor's slipping mechanism another side is connected with upper strata slipping mechanism, its integral body and actuator can sliding straight guide rail direction move along upper strata, upper and lower two-layer slipping mechanism glide direction vertical distribution, form two way sliding apparatus, coupled actuator can all be free to slide along with double-deck slipping mechanism, stack can realize being free to slide of any direction, do not produce additional binding.Meanwhile, if actuator needs only unidirectional slip or does not slide, can be with the subsidiary screw device of carriage in advance to fix.
Generally speaking, the shown in the present two way sliding apparatus that is applicable to structure space load test, principle is simple, easy to operate, mates well with each device of testing laboratory, and easy for installation, applicability is strong.What actuator can realize any direction freely follows slip, can realize Bidirectional slide, unidirectional slip and not sliding.
Accompanying drawing explanation
Fig. 1 is the floor map of one embodiment of the invention;
Fig. 2 is left view embodiment illustrated in fig. 1;
Fig. 3 is front elevation embodiment illustrated in fig. 1;
Fig. 4 is the structural representation of connection bearing embodiment illustrated in fig. 1;
Fig. 5 is the schematic diagram of upper strata Sliding Structures embodiment illustrated in fig. 1;
Fig. 6 is the schematic diagram of lower floor's Sliding Structures embodiment illustrated in fig. 1;
In figure: 1, connect bearing; 2, the sliding straight guide rail in upper strata; 3, upper strata slide block; 4, upper strata slide block fixed head; 5, upper strata slide rail is controlled screw; 6, upper strata slide rail is controlled bolt; 7, the sliding straight guide rail of lower floor; 8, lower floor's slide block; 9, lower floor's slide block fixed head; 10, lower floor's slide rail is controlled screw; 11, lower floor's slide rail is controlled bolt; 12, protection baffle plate bolt hole.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
As shown in Figure 1 to Figure 3, a kind of two way sliding apparatus that is applicable to civil engineering work space load test, comprise successively from top to bottom the upper strata Sliding Structures that connects bearing 1, is fixedly installed in connection bearing below, the lower floor's Sliding Structures that is positioned at Sliding Structures below, upper strata and is slidably connected with upper strata slipping mechanism, lower floor's Sliding Structures is used for connecting actuator, the vertical setting of glide direction of the glide direction of upper strata Sliding Structures and lower floor's Sliding Structures.
Connect bearing 1 and be fixed on reaction frame or geosyncline place, upper strata slipping mechanism be connected bearing 1 and be fixedly connected to form a stable slip plane, lower floor's slipping mechanism simultaneously connects actuator, thereby the direction of the sliding straight guide rail of actuator Ke Yan lower floor is with moving, thereby lower floor's slipping mechanism another side is connected with upper strata slipping mechanism, its integral body and actuator can sliding straight guide rail direction move along upper strata, upper and lower two-layer slipping mechanism glide direction vertical distribution, form two way sliding apparatus, coupled actuator can all be free to slide along with double-deck slipping mechanism, stack can realize being free to slide of any direction, do not produce additional binding.
As shown in Figure 4; in the present embodiment; connecting bearing 1 is the framed structure that Open Side Down; comprise protection baffle plate and four sidewalls of vertically protecting baffle plate to arrange; protection baffle plate lower surface and upper strata Sliding Structures are connected and fixed via built-in bolt; protection baffle plate upper surface is reserved with the bolt hole 12 of regular arrangement, and protection baffle plate is by a plurality of bolts hole 12 and reaction frame or other fixed equipment bolt tightenings, thus fixing two way sliding apparatus.Protection baffle plate upper bolt hole divides upper surface and lower surface, is the bolt hole that runs through the diverse location of Weir Plate Thickness, for saving space, is all threaded holes.With upper strata Sliding Structures supporting be built-in bolt, while being connected with reaction frame and fixed equipment, according to actual conditions, determine, but require body of bolt can not exceed Weir Plate Thickness, in order to avoid affect being free to slide of upper strata Sliding Structures.
As shown in Figure 5, upper strata Sliding Structures comprises upper strata slide block 3 and the upper strata slide block fixed head 4 of the sliding straight guide rail 2 in upper strata, sliding straight guide rail 2 slippages along upper strata from top to bottom successively, the sliding straight guide rail 2 in upper strata is fixedly installed on the below that connects bearing 1, and upper strata sliding 3 is fixedly connected with upper strata slide block fixed head 4.The sliding straight guide rail 2 in upper strata be connected bearing 1 and be connected, forms a stable slip plane, upper strata slide block 3 and upper strata slide block fixed head 4 are corollary apparatus, can be free to slide by sliding straight guide rail 2 along upper strata; Meanwhile, upper strata slide block 3 is connected with upper strata slide block fixed head 4, the parts slip that upper strata slide block 3 can drive upper strata slide block fixed head 4 and be connected with upper strata slide block fixed head 4.In the present embodiment, the sliding straight guide rail of protection baffle plate and upper strata that connects bearing 1 is connected and fixed via built-in bolt, and upper strata slide block is fixedly connected with via bolt with upper strata slide block fixed head
Upper strata Sliding Structures also comprises many upper strata slide rails control bolts 6, on the two side of on the two side of the parallel upper strata of upper strata slide block fixed head 4 Sliding Structures glide direction and the connection parallel upper strata of bearing 1 Sliding Structures glide direction, have upper strata slide rail and control screw 5, every upper strata slide rail is controlled bolt 6 one end and is fixed in the upper strata slide rail control screw 5 on slide block fixed head 4 sidewalls of upper strata, the upper strata slide rail that the other end is fixed on connection bearing 1 sidewall of this sidewall subtend is controlled in screw 5, when need to be with the slip of fixing upper strata slide block fixed head 4, at the two ends of upper strata slide block fixed head 4, add in advance respectively root upper strata slide rail and control bolt 6, by connecting bearing 1 sidewall and upper strata slide rail, control the fixedly position of upper strata slide block fixed head 4 of bolt 6, in loading procedure, do not produce with moving, realize Bidirectional slide, unidirectional slip and skid-resistant multifunctionality.As shown in Figure 1 and Figure 4, in the present embodiment, fore-and-aft direction at two way sliding apparatus arranges respectively three upper strata slide rails control bolts 6, on every upper strata slide rail control bolt 6 passes through respectively upper strata slide block fixed head 4 and is connected bearing 1 front and back sidewall, upper strata slide rail control screw 5 is fixing, can realize the fixing of slide block fixed head 4 positions, upper strata.
As shown in Figure 6, lower floor's Sliding Structures comprises the sliding straight guide rail 7 of lower floor from top to bottom successively, along lower floor's slide block 8 of sliding straight guide rail 7 slippages of lower floor and for connecting lower floor's slide block fixed head 9 of actuator, the sliding straight guide rail 7 of lower floor is fixed on upper strata slide block fixed head below, and lower floor's slide block 8 is fixedly connected with lower floor slide block fixed head 9.The sliding straight guide rail 7 of lower floor is connected with upper strata slide block fixed head 4, forms a stable slip plane, and lower floor's slide block 8 is corollary apparatus with lower floor's slide block fixed head 8, and the sliding straight guide rail 7 of Ke Yan lower floor is free to slide; Meanwhile, lower floor's slide block 7 is connected with lower floor slide block fixed head 8, and lower floor's slide block 7 can drive the connected actuator of lower floor's slide block fixed head 8 Ji Yu lower floor slide block fixed heads 8 to be free to slide along the sliding straight guide rail 7 of lower floor.In the present embodiment, upper strata slide block fixed head 4 is adopting the sliding straight guide rail 7 of built-in bolt and lower floor to be connected perpendicular to vertical upper strata Sliding Structures glide direction, and lower floor's slide block 8 is fixedly connected with via bolt with lower floor slide block 9 fixed heads.
Lower floor's Sliding Structures also comprises Duo Gen lower floor slide rail control bolt 11, on the two side of lower floor's slide block fixed head 9 vertical upper strata Sliding Structures glide directions and on the two side of connection bearing 1 vertical upper strata Sliding Structures glide direction, have lower floor's slide rail control screw 11, every upper strata slide rail is controlled bolt 11 one end and is fixed in the upper strata slide rail control screw 10 on lower floor's slide block fixed head 9 sidewalls, lower floor's slide rail that the other end is fixed on connection bearing 1 sidewall of this sidewall subtend is controlled in screw 10, when need to be with the slip of fixing lower floor's slide block fixed head 9, at the two ends of lower floor's slide block fixed head 9, add in advance respectively root lower floor slide rail and control bolt 11, by connecting bearing 1 sidewall and lower floor's slide rail, control the fixedly position of lower floor's slide block fixed head 9 of bolt 11, in loading procedure, do not produce with moving, realize Bidirectional slide, unidirectional slip and skid-resistant multifunctionality.As shown in Figure 1 and Figure 4, in the present embodiment, left and right directions at two way sliding apparatus arranges respectively San Gen lower floor slide rail control bolt 11, it is fixing with the lower floor's slide rail control screw 10 being connected on bearing 1 left and right sidewall by lower floor's slide block fixed head 8 respectively that Mei Gen lower floor slide rail is controlled bolt 11, can realize the fixing of lower floor's slide block fixed head 9 positions.
During test, by the bolt hole on the connection bearing 1 of assembled complete two way sliding apparatus 12 and reaction frame or other fixed equipment bolt tightenings, thus fixing two way sliding apparatus; Actuator is connected by lower floor's slide block fixed head 9, when testpieces is in process of the test during perpendicular to the displacement of any direction of actuator, actuator can be along with testpieces any direction be with moving, thereby guarantee that the load that actuator applies is axial along actuator all the time, testpieces is not produced the component of constraint external force and other directions, specific works process is as follows:
Owing to connecting bearing 1, be connected and fixed by built-in bolt with the sliding straight guide rail 2 in upper strata, the sliding straight guide rail 2 in upper strata has formed one and has stablized motionless plane.Lower floor's slide block 8 adopts bolt affixed with lower floor's slide block fixed head 9, slide block fixed head 9 is connected with actuator 13, be that lower floor's slide block 8, lower floor's slide block fixed head 9 are as a whole with 13 one-tenth of actuator, this integral body first sliding straight guide rail direction 7 of Ke Yan lower floor is free to slide.Upper strata slide block fixed head 4 long side directions adopt the sliding straight guide rail 7 of built-in bolt and lower floor to be connected again, form a slideway perpendicular with upper strata slide rail.Upper strata slide block 3 adopts bolt affixed with upper strata slide block fixed head 4, upper strata slide block 3 forms an integral body with upper strata slide block fixed head 4, upper strata slide block 3 can drive upper strata slide block fixed head 4 and the parts that are connected with upper strata slide block fixed head 4 along upper strata, sliding straight guide rail 2 is free to slide, thereby realized the two-way slip of actuator.
In addition.Because the end of top shoe fixed head 4 and sliding block fixed head 9 is respectively equipped with slide rail, control the supporting screw of screw rod, two ends add respectively screw rod in advance when needed, can be with the subsidiary screw device of carriage in advance to fix.Fixedly the position of slide block fixed head does not produce with moving in loading procedure, realizes Bidirectional slide, unidirectional slip and skid-resistant multifunctionality.
The present embodiment at the middle and upper levels moving line slideway 2 and the sliding straight guide rail 7 of lower floor, for friction force is not more than 1% precise guide rail of normal pressure, to reduce the impact of additional external force as far as possible, has guaranteed the precision of testing.
The shown in the present two way sliding apparatus that is applicable to civil engineering work space load test, can realize various ideal boundary conditions and the stress of actuator, does not produce additional deformation constrain and power constraint, powerful and applicability is strong.
The above-mentioned description to embodiment is can understand and apply the invention for ease of those skilled in the art.Person skilled in the art obviously can easily make various modifications to these embodiment, and General Principle described herein is applied in other embodiment and needn't passes through performing creative labour.Therefore, the invention is not restricted to the embodiment here, those skilled in the art are according to announcement of the present invention, and the improvement of making for the present invention and modification all should be within protection scope of the present invention.
Claims (10)
1. a two way sliding apparatus that is applicable to civil engineering work space load test, it is characterized in that: comprise successively from top to bottom the upper strata Sliding Structures that connects bearing, is fixedly installed in described connection bearing below, the lower floor's Sliding Structures that is positioned at Sliding Structures below, described upper strata and is slidably connected with described upper strata slipping mechanism, described lower floor Sliding Structures is used for connecting actuator, the vertical setting of glide direction of the glide direction of described upper strata Sliding Structures and described lower floor Sliding Structures.
2. the two way sliding apparatus that is applicable to civil engineering work space load test according to claim 1; it is characterized in that: described connection bearing is the body structure that Open Side Down; comprise four sidewalls that protection baffle plate and vertical described protection baffle plate arrange; described protection baffle plate lower surface and described upper strata Sliding Structures are connected and fixed via built-in bolt, and the bolt hole that described protection baffle plate upper surface is also provided with is to be fixedly connected with fixed equipment.
3. the two way sliding apparatus that is applicable to civil engineering work space load test according to claim 1 and 2; it is characterized in that: described upper strata Sliding Structures comprises the sliding straight guide rail in upper strata from top to bottom successively, along upper strata slide block and the upper strata slide block fixed head of the sliding straight guide rail slippage in described upper strata; the sliding straight guide rail in described upper strata is fixedly connected with the described protection baffle plate that is connected bearing via built-in bolt, and described upper strata slide block is fixedly connected with upper strata slide block fixed head.
4. the two way sliding apparatus that is applicable to civil engineering work space load test according to claim 3, it is characterized in that: described upper strata Sliding Structures also comprises many upper strata slide rails control bolts, on the subtend sidewall of described connection bearing and the parallel described upper strata of slide block fixed head, described upper strata Sliding Structures glide direction, one group of correspondence has upper strata slide rail and controls screw between two, the upper strata slide rail that the two ends that described many upper strata slide rails are controlled bolts are arranged on respectively on the upper strata slide block fixed head sidewall of described connection bearing sidewall and subtend is controlled in screw to fix the slip of described upper strata Sliding Structures.
5. the two way sliding apparatus that is applicable to civil engineering work space load test according to claim 3, is characterized in that: described upper strata slide block is fixedly connected with via bolt with upper strata slide block fixed head.
6. the two way sliding apparatus that is applicable to civil engineering work space load test according to claim 3, it is characterized in that: described lower floor Sliding Structures comprises the sliding straight guide rail of lower floor from top to bottom successively, along lower floor's slide block of the sliding straight guide rail slippage of described lower floor and for connecting lower floor's slide block fixed head of actuator, the sliding straight guide rail of described lower floor is fixed on described upper strata slide block fixed head below, and described lower floor slide block is fixedly connected with described lower floor slide block fixed head.
7. the two way sliding apparatus that is applicable to civil engineering work space load test according to claim 6, it is characterized in that: described lower floor Sliding Structures also comprises Duo Gen lower floor slide rail control bolt, on the subtend sidewall of connection bearing and the vertical upper strata of described lower floor's slide block fixed head Sliding Structures glide direction, one group of correspondence has lower floor's slide rail and controls screw between two, lower floor's slide rail that the two ends that described Duo Gen lower floor slide rail is controlled bolt are arranged on respectively on lower floor's slide block fixed head sidewall of described connection bearing sidewall and subtend is controlled in screw to fix the slip of described lower floor Sliding Structures.
8. the two way sliding apparatus that is applicable to civil engineering work space load test according to claim 6, is characterized in that: described upper strata slide block fixed head is adopting the sliding straight guide rail of built-in bolt and lower floor to be connected perpendicular to described vertical upper strata Sliding Structures glide direction.
9. the two way sliding apparatus that is applicable to civil engineering work space load test according to claim 6, is characterized in that: described lower floor slide block is fixedly connected with via bolt with lower floor slide block fixed head.
10. the two way sliding apparatus that is applicable to civil engineering work space load test according to claim 6, is characterized in that: the moving line slideway in upper strata and the sliding straight guide rail of described lower floor are 1% the precise guide rail that friction force is not more than normal pressure.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410145357.9A CN103940627B (en) | 2014-04-11 | 2014-04-11 | A kind of two way sliding apparatus being applicable to civil engineering space load test |
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| CN201410145357.9A CN103940627B (en) | 2014-04-11 | 2014-04-11 | A kind of two way sliding apparatus being applicable to civil engineering space load test |
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| CN103940627B CN103940627B (en) | 2016-08-17 |
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Cited By (6)
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| CN104563294A (en) * | 2014-12-19 | 2015-04-29 | 郑州航空工业管理学院 | Multi-shaft vibration isolation support seat system |
| CN104880332A (en) * | 2015-05-23 | 2015-09-02 | 合肥工业大学 | Hydraulic type vertical automatic holding verticality follow-up loading device and usage method |
| CN108639379A (en) * | 2018-06-29 | 2018-10-12 | 长沙市云智航科技有限公司 | A kind of aircraft rotor component test device |
| CN109100210A (en) * | 2018-07-12 | 2018-12-28 | 同济大学 | A kind of multifunction structure plate test loading system for taking into account load tonnage and loading accuracy |
| CN110095349A (en) * | 2019-05-22 | 2019-08-06 | 太原理工大学 | A kind of space loading system and method suitable for bending unstability |
| CN113202448A (en) * | 2021-04-20 | 2021-08-03 | 天津大学 | Two-way slidingtype of submarine manifold system prevents sinking board foundation structure |
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| CN109100210A (en) * | 2018-07-12 | 2018-12-28 | 同济大学 | A kind of multifunction structure plate test loading system for taking into account load tonnage and loading accuracy |
| CN110095349A (en) * | 2019-05-22 | 2019-08-06 | 太原理工大学 | A kind of space loading system and method suitable for bending unstability |
| CN113202448A (en) * | 2021-04-20 | 2021-08-03 | 天津大学 | Two-way slidingtype of submarine manifold system prevents sinking board foundation structure |
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|---|---|
| CN103940627B (en) | 2016-08-17 |
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