CN211784824U - Self-balancing type prefabricated cantilever component static test loading device - Google Patents
Self-balancing type prefabricated cantilever component static test loading device Download PDFInfo
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- CN211784824U CN211784824U CN202020023296.XU CN202020023296U CN211784824U CN 211784824 U CN211784824 U CN 211784824U CN 202020023296 U CN202020023296 U CN 202020023296U CN 211784824 U CN211784824 U CN 211784824U
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Abstract
The utility model discloses a self-balancing prefabricated cantilever component static test loading device, it includes at least one reaction frame, support piece, load transmission subassembly and load loading subassembly. The bottom of the reaction frame is connected to the floor of the prefabricated cantilever member. One end of the supporting piece is connected with the reaction frame, and the other end of the supporting piece extends towards the direction departing from the reaction frame. The load transfer assembly abuts the prefabricated cantilever member. The load transferring assembly and the load loading assembly are placed on the supporting piece, two ends of the load loading assembly are respectively abutted against the reaction frame and the load transferring assembly, and the load loading assembly can move in the direction close to or far away from the prefabricated cantilever component. By adopting the structure form, the structure is simple, the installation is simple and convenient, and the device is suitable for construction sites and laboratories. The self-balancing type prefabricated cantilever member static test loading device can complete the manufacturing and full-scale test of the prefabricated cantilever member on a construction site at the same time, shortens the test period, is convenient to operate, and saves the test cost.
Description
Technical Field
The utility model relates to a civil engineering test equipment technical field, in particular to self-balancing prefabricated cantilever component static test loading device.
Background
The full-scale test of the prefabricated cantilever member comprises the manufacturing and test loading of the cantilever member, the prefabricated cantilever member is generally manufactured on a construction site, a reaction wall is generally adopted for a test loading device of the prefabricated cantilever member, and a large-scale reaction wall cannot be arranged on the construction site. Therefore, the static force loading test of the prefabricated cantilever member is mainly carried out in structural test rooms of colleges and universities, scientific research units and the like at present. However, due to the limitation of test sites, equipment and other conditions, when a full-scale model test is carried out, the prefabricated cantilever members are not convenient to manufacture in structural test rooms of colleges and universities, scientific research institutions and the like, and thus the test period is long.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a self-balancing prefabricated cantilever member static test loading device in order to overcome the static load test condition restriction of the prefabricated cantilever member among the prior art, the defect of the test cycle length that leads to.
The utility model discloses an above-mentioned technical problem is solved through following technical scheme:
the utility model provides a self-balancing prefabricated cantilever component static test loading device which characterized in that, it includes:
at least one reaction frame, the bottom of which is connected to the bottom plate of the prefabricated cantilever member;
the supporting piece is connected with one end of the reaction frame, and the other end of the supporting piece extends towards the direction away from the reaction frame;
a load transfer assembly against the prefabricated cantilever member;
the load loading assembly is placed on the supporting piece, two ends of the load loading assembly are respectively abutted against the reaction frame and the load transferring assembly, and the load loading assembly can move in the direction close to or far away from the prefabricated cantilever component.
In this solution, the bottom of the reaction frame is connected to the bottom plate of the prefabricated cantilever member, and the reaction frame is fixed relative to the prefabricated cantilever member, so that a self-balancing system is formed between the reaction frame and the prefabricated cantilever member. The support piece is used for supporting the load transfer assembly and the load loading assembly, the load loading assembly loads the load to the load transfer assembly, and the load is transferred to the side plate of the prefabricated cantilever component through the load transfer assembly. The self-balancing type prefabricated cantilever component static test loading device adopts the structure form, has simple structure and simple and convenient installation, and is suitable for construction sites and laboratories. By adopting the self-balancing type prefabricated cantilever member static test loading device, the manufacturing and full-scale test of the prefabricated cantilever member can be completed on a construction site at the same time, the test period is shortened, the operation is convenient, and the test cost is saved.
Preferably, the reaction frame comprises a vertical column and an inclined column, the top end of the inclined column is connected to the vertical column, the bottom end of the inclined column extends downwards and deviates from the direction of the vertical column, and the bottom ends of the inclined column and the vertical column are both connected with the bottom plate of the prefabricated cantilever member.
In this scheme, the top of batter post is connected on the stand, and the bottom of batter post is skew in the stand for the contained angle has between stand and the batter post, then is connected the bottom of stand and batter post and prefabricated cantilever member's bottom plate, this just makes to form triangle-shaped between stand, batter post, the prefabricated cantilever member, thereby improves the stability of reaction frame for prefabricated cantilever member, and then makes the self-balancing of reaction frame more stable.
Preferably, one side of the upright column facing the supporting piece is provided with a plurality of connecting holes, and the connecting holes are arranged at intervals along the height direction of the upright column.
In this scheme, the connecting hole is used for being connected between support piece and the stand, and the connecting hole is provided with a plurality ofly along the direction of height interval of stand, is convenient for adjust the height that support piece and stand are connected as required, and then is convenient for make things convenient for going on of experiment.
Preferably, the reaction frame further comprises a horizontal beam, one end of the horizontal beam is connected to the upright, and the other end of the horizontal beam extends in a direction away from the upright and abuts against the load loading assembly.
In this scheme, because load transfer assembly and load loading subassembly's size is certain, for the convenience observe the experiment, set up the horizontal beam on the reaction frame for the distance increase between the curb plate of reaction frame and prefabricated cantilever member when detecting, with the space between increase reaction frame and the prefabricated cantilever member, and then be convenient for observe the experiment.
Preferably, the bottom ends of the upright post and the batter post are provided with a plurality of bolt holes.
In this scheme, stand and batter post pass through the bolt and are connected with prefabricated cantilever member's bottom plate, are convenient for connect and dismantle to can improve the installation effectiveness, convenient experiment.
Preferably, the upright is perpendicular to the prefabricated cantilever members.
In this scheme, the stand is perpendicular with prefabricated cantilever member, and the support piece's of being convenient for connection for support piece is in the horizontal direction, and on the other hand is favorable to making the load that load loading subassembly loaded on prefabricated cantilever member be perpendicular to prefabricated cantilever member, thereby is convenient for load loading and calculates the test result.
Preferably, the self-balancing type prefabricated cantilever member static test loading device comprises two reaction frames, and the two reaction frames are parallel to each other.
In this scheme, set up two reaction frames that are parallel to each other, be favorable to improving the stability of reaction frame on the one hand, on the other hand is favorable to improving the equilibrium of the load that prefabricated cantilever member received, and then improves experimental accuracy.
Preferably, the self-balancing type prefabricated cantilever member static test loading device further comprises a reinforcing member, two ends of the reinforcing member are respectively connected to the inclined columns of the two reaction frames, and/or two ends of the reinforcing member are respectively connected to the upright columns of the two reaction frames.
In this scheme, connect the reinforcement on the batter post and the stand of two reaction framves, make two reaction framves link to become common atress whole to improve the stability of reaction frame, thereby also be favorable to improving the bulk rigidity of reaction frame and prevent the deformation of reaction frame, and then improve the life-span of reaction frame.
Preferably, the load transfer assembly comprises a hinge support, a support beam and a distribution beam, the support beam being connected to the distribution beam with one side of the distribution beam facing the load loading assembly, one side of the hinge support being connected to the support beam, and one side of the hinge support facing away from the support beam being in line contact with the prefabricated cantilever member.
In the scheme, the distribution beam is used for converting concentrated loads loaded on the distribution beam by the load loading assembly into uniformly distributed loads; the supporting beam is used for connecting the distribution beam and the hinged support on one hand, and is used for converting uniformly distributed loads on the distribution beam into linear loads and transmitting the linear loads to the hinged support on the other hand; and the hinged support is in line contact with the prefabricated cantilever member and is used for applying line load to the prefabricated cantilever member.
Preferably, reinforcing rib plates are arranged between the distribution beam and the supporting beam and between the supporting beam and the hinged support, and the reinforcing rib plates are perpendicular to the length direction of the load transfer assembly.
In the scheme, the reinforcing rib plates are arranged between the distribution beam and the supporting beam and between the supporting beam and the hinged support, so that the bearing capacity of the supporting beam and the distribution beam is improved, and the load applied by the load loading assembly is uniformly transmitted.
Preferably, the load loading assembly comprises a force sensor and a hydraulic jack which abut against each other, the hydraulic jack abuts against the reaction frame, and the force sensor abuts against the load transmission assembly.
In this scheme, hydraulic jack is used for loading load, and force sensor is used for responding to the loaded load of hydraulic jack to be convenient for calculate the load that prefabricated cantilever component can bear.
On the basis of the common knowledge in the field, the above preferred conditions can be combined at will to obtain the preferred embodiments of the present invention.
The utility model discloses an actively advance the effect and lie in: the utility model discloses a self-balancing prefabricated cantilever component static test loading device, simple structure, the simple installation is applicable in job site and laboratory. By adopting the self-balancing type prefabricated cantilever member static test loading device, the manufacturing and full-scale test of the prefabricated cantilever member can be completed on a construction site at the same time, the test period is shortened, the operation is convenient, and the test cost is saved.
Drawings
Fig. 1 is a schematic perspective view of a self-balancing type loading device for a static test of a prefabricated cantilever member according to a preferred embodiment of the present invention.
Fig. 2 is the structural schematic diagram of the self-balancing type loading device for the static test of the prefabricated cantilever member according to the preferred embodiment of the present invention.
Fig. 3 is a schematic structural diagram of the self-balancing type loading device for the static test of the prefabricated cantilever member according to the preferred embodiment of the present invention after the connection of the upright and the oblique column.
Fig. 4 is a schematic structural diagram of a load transfer assembly in the self-balancing type prefabricated cantilever member static test loading device according to the preferred embodiment of the present invention.
Fig. 5 is a schematic structural diagram of a load loading assembly in the self-balancing type prefabricated cantilever member static test loading device according to the preferred embodiment of the present invention.
Description of reference numerals:
Batter post 102
Reinforcing member 103
Prefabricated cantilever member 20
Hinged support 303
Detailed Description
The present invention will be more clearly and completely described below by way of examples and with reference to the accompanying drawings, but the present invention is not limited thereto.
As shown in fig. 1 to 5, the present embodiment provides a self-balancing type prefabricated cantilever member static test loading device, which includes at least one reaction frame 10, a support 60, a load transmission assembly 30 and a load loading assembly 40. The bottom of the reaction frame 10 is connected to the base plate 202 of the prefabricated boom member 20. One end of the support member 60 is connected to the reaction frame 10, and the other end of the support member 60 extends in a direction away from the reaction frame 10. The load transfer assembly 30 abuts the prefabricated boom member 20. The load transfer assembly 30 and the load loading assembly 40 are placed on the support 60 with both ends of the load loading assembly 40 abutting against the reaction frame 10 and the load transfer assembly 30, respectively, and the load loading assembly 40 is movable in a direction to approach or move away from the prefabricated cantilever member 20.
Wherein the bottom of reaction frame 10 is attached to the base plate 202 of the prefabricated boom member 20 and the reaction frame 10 is fixed relative to the prefabricated boom member 20 such that a self-balancing system is formed between the reaction frame 10 and the prefabricated boom member 20. The support member 60 serves to support the load transfer assembly 30 and the load applying assembly 40, and the load applying assembly 40 applies a load to the load transfer assembly 30 and transfers the load to the side plate 201 of the prefabricated cantilever member 20 through the load transfer assembly 30. The self-balancing type prefabricated cantilever component static test loading device adopts the structure form, has simple structure and simple and convenient installation, and is suitable for construction sites and laboratories. By adopting the self-balancing type prefabricated cantilever member static test loading device, the manufacturing and the full-scale test of the prefabricated cantilever member 20 can be completed on the construction site at the same time, the test period is shortened, the operation is convenient, and the test cost is saved.
As shown in fig. 1 to 3, the self-balancing type prefabricated cantilever member static test loading device comprises two reaction frames 10, wherein the two reaction frames 10 are parallel to each other. The reaction frame 10 comprises a vertical column 101 and an inclined column 102, wherein the top end of the inclined column 102 is connected to the vertical column 101, the bottom end of the inclined column 102 extends downwards and deviates from the direction of the vertical column 101, and the bottom ends of the inclined column 102 and the vertical column 101 are both connected with a bottom plate 202 of the prefabricated cantilever member 20. A plurality of connection holes 1011 are formed at a side of the column 101 facing the support 60, and the plurality of connection holes 1011 are spaced apart in a height direction of the column 101. The reaction frame 10 further includes a horizontal beam 50, one end of the horizontal beam 50 is connected to the vertical column 101, and the other end of the horizontal beam 50 extends away from the vertical column 101 and abuts against the load loading assembly 40. The bottom ends of the upright post 101 and the batter post 102 are both provided with a plurality of bolt holes. The mast 101 is perpendicular to the prefabricated boom member 20. The self-balancing type prefabricated cantilever member static test loading device further comprises a reinforcing part 103, two ends of the reinforcing part 103 are respectively connected to the inclined columns 102 of the two reaction frames 10, and/or two ends of the reinforcing part 103 are respectively connected to the upright columns 101 of the two reaction frames 10.
Wherein, set up two reaction frame 10 that are parallel to each other, be favorable to improving the stability of reaction frame 10 on the one hand, on the other hand is favorable to improving the equilibrium of the load that prefabricated cantilever component 20 receives, and then improves experimental accuracy. The top end of the batter post 102 is connected to the upright post 101, and the bottom end of the batter post 102 deviates from the upright post 101, so that an included angle is formed between the upright post 101 and the batter post 102, and then the bottoms of the upright post 101 and the batter post 102 are connected with the bottom plate 202 of the prefabricated cantilever member 20, so that a triangle is formed among the upright post 101, the batter post 102 and the prefabricated cantilever member 20, and thus the stability of the reaction frame 10 relative to the prefabricated cantilever member 20 is improved, and further the self-balancing of the reaction frame 10 is more stable. The connecting holes 1011 are used for connecting the support member 60 with the upright column 101, and the connecting holes 1011 are arranged at intervals along the height direction of the upright column 101, so that the height of the support member 60 connected with the upright column 101 can be conveniently adjusted according to needs, and further, the test can be conveniently carried out. Since the sizes of the load transfer assembly 30 and the load loading assembly 40 are fixed, in order to facilitate the observation of the test, the horizontal beam 50 is provided on the reaction frame 10, so that the distance between the reaction frame 10 and the side plate 201 of the prefabricated cantilever member 20 is increased when the test is performed, the space between the reaction frame 10 and the prefabricated cantilever member 20 is increased, and the observation of the test is facilitated. The upright column 101 and the inclined column 102 are connected with the bottom plate 202 of the prefabricated cantilever member 20 through bolts, so that the connection and the disassembly are convenient, the installation efficiency can be improved, and the test is convenient. The vertical column 101 is perpendicular to the prefabricated cantilever member 20, which facilitates the connection of the supporting member 60 so that the supporting member 60 is in a horizontal direction, and facilitates the loading of the load loading assembly 40 on the prefabricated cantilever member 20 so that the load loading is perpendicular to the prefabricated cantilever member 20, thereby facilitating the loading of the load and calculating the test result. The inclined columns 102 and the upright columns 101 of the two reaction frames 10 are connected with the reinforcing parts 103, so that the two reaction frames are connected into a common stressed whole to improve the stability of the reaction frames, and the integral rigidity of the reaction frames 10 is improved to prevent the reaction frames 10 from deforming, thereby prolonging the service life of the reaction frames 10.
In this embodiment, as shown in fig. 1 and 2, the upper end of the batter post 102 is welded to the upright post 101, and the bases are welded to the bottoms of the upright post 101 and the batter post 102, and bolt holes are formed in the bases, and bolts are inserted through the bolt holes to fix the upright post 101 and the batter post 102 to the bottom plate 202 of the prefabricated cantilever member 20. The two vertical columns 101 are connected at the middle positions in the height direction with reinforcing members 103 by bolts, the oblique columns 102 are connected with two reinforcing members 103 by bolts, and the two reinforcing members 103 and the oblique columns 102 form a triangle to enhance the stability between the reaction frames 10. Wherein, the upright post 101, the inclined post 102 and the reinforcing piece 103 are all made of section steel. The structural steel is adopted, the processing is simple, the installation is convenient, the construction cost is low, and the structural steel has good bending rigidity and strength.
As shown in fig. 1 to 3, a plurality of bolt holes are uniformly formed in two side wings of section steel of the column 101, the supporting member 60 is also formed by processing the section steel, a connecting seat is welded at one end of the supporting member 60, a plurality of bolt holes are formed in the connecting seat, and bolts penetrate through the bolt holes to connect the supporting member 60 and the column 101. Because be provided with a plurality of bolt holes on the flank of stand 101, can be according to the experiment demand, when the installation adjustment support piece 60 to the height that needs. The horizontal beam 50 is also formed by welding a connecting seat at one end of the section steel, a bolt hole is formed in the connecting seat, and the horizontal beam 50 is connected with the upright post 101 through the bolt hole by a bolt; a thick steel plate is welded to the end of the horizontal beam 50 facing away from the vertical column 101, and the thick steel plate is used for abutting against the end face of the load loading assembly 40.
As shown in fig. 4, the load transfer assembly 30 includes a hinge support 303, a support beam 302 and a distribution beam 301, the support beam 302 is connected to the distribution beam 301, one side of the distribution beam 301 faces the load loading assembly 40, one side of the hinge support 303 is connected to the support beam 302, and one side of the hinge support 303 facing away from the support beam 302 is in line contact with the prefabricated cantilever member 20. Reinforcing rib plates 304 are arranged between the distribution beam 301 and the support beam 302 and between the support beam 302 and the hinged support 303, and the reinforcing rib plates 304 are perpendicular to the length direction of the load transfer assembly 30.
The distribution beam 301 is used for converting concentrated loads loaded on the distribution beam 301 by the load loading assembly 40 into uniformly distributed loads; the supporting beam 302 is used for connecting the distribution beam 301 and the hinged support 303 on one hand, and is used for converting uniform load on the distribution beam 301 into linear load and transmitting the linear load to the hinged support 303 on the other hand; the hinged support 303 is in line contact with the prefabricated boom member 20 for applying a line load to the prefabricated boom member 20. The reinforcing rib plates 304 are arranged between the distribution beam 301 and the support beam 302 and between the support beam 302 and the hinged support 303, so that the bearing capacity of the support beam 302 and the distribution beam 301 is improved, and the load applied by the load loading assembly 40 is uniformly transmitted.
In this embodiment, the distribution beam 301 and the support beam 302 are both formed of steel sections, one side of the distribution beam 301 and one side of the support beam 302 are welded, and the other side of the distribution beam 301 is used to abut against the load loading assembly 40. The hinged support 303 is formed by welding a round steel and a steel plate, and the steel plate is welded with the other side surface of the supporting beam. A plurality of reinforcing ribs 304 are welded to the section steel constituting the distribution beam 301 and the support beam 302, and the reinforcing ribs 304 are perpendicular to the longitudinal direction of the section steel.
As shown in fig. 5, the load loading assembly 40 includes a force sensor 401 and a hydraulic jack 402 abutting against each other, the hydraulic jack abutting against the reaction frame 10, the force sensor 401 abutting against the load transfer assembly 30. The hydraulic jack 402 is used for loading the load, and the force sensor 401 is used for sensing the load loaded by the hydraulic jack 402, so that the load born by the prefabricated cantilever member 20 can be calculated conveniently.
When the prefabricated cantilever member 20 is subjected to static test, the bottom ends of the upright column 101 and the inclined column 102 of the reaction frame 10 are connected to the bottom plate 202 of the prefabricated cantilever member 20, and then the reinforcing member 103 is connected with the upright column 101 and the inclined column 102, so that the reaction frame 10 and the prefabricated cantilever member 20 form a self-balancing system. The supports 60 are then attached to the columns 101 at the appropriate height according to the test requirements, and the horizontal beams 50 are then attached to the columns 101. The load transfer means is placed on the two supports 60 with its length direction perpendicular to the length direction of the two supports 60 and the hinged support 303 close to the side plate 201 of the prefabricated cantilever member 20. Placing the force sensor 401 on the support 60 and finally placing the hydraulic jack 402 on the support 60, it should be noted that other blocks (not shown in the drawings) need to be placed between the hydraulic jack 402 and the support 60 to raise the hydraulic jack 402 to a proper position so that the load applied by the hydraulic jack 402 is just in the middle of the force sensor 401. After these preparations are completed, the prefabricated boom member 20 is ready for static testing.
By adopting the static test loading device for the self-balancing type prefabricated cantilever member provided by the embodiment, the testing device is connected with the bottom plate 202 of the prefabricated cantilever member 20 to form a self-balancing system, and the device has the advantages of simple structure, low manufacturing cost, strong stability, safety, reliability, reusability and the like; the device is suitable for construction sites of construction projects, colleges and universities, scientific research unit structure laboratories and other occasions.
Although specific embodiments of the present invention have been described above, it will be understood by those skilled in the art that this is by way of example only and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and the principles of the present invention, and these changes and modifications are all within the scope of the present invention.
Claims (11)
1. The utility model provides a self-balancing prefabricated cantilever member static test loading device which characterized in that, it includes:
at least one reaction frame, the bottom of which is connected to the bottom plate of the prefabricated cantilever member;
the supporting piece is connected with one end of the reaction frame, and the other end of the supporting piece extends towards the direction away from the reaction frame;
a load transfer assembly against the prefabricated cantilever member;
the load loading assembly is placed on the supporting piece, two ends of the load loading assembly are respectively abutted against the reaction frame and the load transferring assembly, and the load loading assembly can move in the direction close to or far away from the prefabricated cantilever component.
2. The self-balancing prefabricated cantilever member static test loading device of claim 1, wherein the reaction frame comprises a vertical column and an inclined column, the top end of the inclined column is connected to the vertical column, the bottom end of the inclined column extends downwards and deviates from the direction of the vertical column, and the bottom ends of the inclined column and the vertical column are both connected with the bottom plate of the prefabricated cantilever member.
3. The self-balancing prefabricated cantilever member static test loading device of claim 2, wherein a plurality of connecting holes are formed in one side of the upright column facing the supporting member, and the connecting holes are arranged at intervals along the height direction of the upright column.
4. The self-balancing prefabricated cantilever member static test loading device of claim 3, wherein the reaction frame further comprises a horizontal beam, one end of the horizontal beam is connected to the upright, and the other end of the horizontal beam extends away from the upright and abuts against the load loading assembly.
5. The self-balancing prefabricated cantilever member static test loading device of claim 2, wherein the bottom ends of the upright column and the inclined column are provided with a plurality of bolt holes.
6. The self-balancing prefabricated cantilever member static test loading device of claim 2, wherein the upright is perpendicular to the prefabricated cantilever member.
7. The self-balancing prefabricated cantilever member static test loading device of claim 2, wherein the self-balancing prefabricated cantilever member static test loading device comprises two reaction frames, and the two reaction frames are parallel to each other.
8. The self-balancing prefabricated cantilever member static test loading device according to claim 7, wherein the self-balancing prefabricated cantilever member static test loading device further comprises a plurality of reinforcing members, two ends of each reinforcing member are respectively connected to the inclined columns of the two reaction frames, and/or two ends of each reinforcing member are respectively connected to the upright columns of the two reaction frames.
9. The self-balancing prefabricated cantilever member static test loading device of claim 1, wherein the load transfer assembly comprises a hinge support, a support beam and a distribution beam, the support beam is connected to the distribution beam, one side of the distribution beam faces the load loading assembly, one side of the hinge support is connected to the support beam, and one side of the hinge support facing away from the support beam is in line contact with the prefabricated cantilever member.
10. The self-balancing precast cantilever member static test loading device according to claim 9, wherein reinforcing rib plates are provided between the distribution beam and the supporting beam and between the supporting beam and the hinged support, and the reinforcing rib plates are perpendicular to the length direction of the load transfer assembly.
11. The self-balancing prefabricated cantilever member static test loading device of claim 1, wherein the load loading assembly comprises a force sensor and a hydraulic jack which abut against each other, the hydraulic jack abuts against the reaction frame, and the force sensor abuts against the load transmission assembly.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020023296.XU CN211784824U (en) | 2020-01-06 | 2020-01-06 | Self-balancing type prefabricated cantilever component static test loading device |
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| CN202020023296.XU CN211784824U (en) | 2020-01-06 | 2020-01-06 | Self-balancing type prefabricated cantilever component static test loading device |
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| CN211784824U true CN211784824U (en) | 2020-10-27 |
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