CN115200845A - Adjustable static test device of assembled - Google Patents
Adjustable static test device of assembled Download PDFInfo
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- CN115200845A CN115200845A CN202210570646.8A CN202210570646A CN115200845A CN 115200845 A CN115200845 A CN 115200845A CN 202210570646 A CN202210570646 A CN 202210570646A CN 115200845 A CN115200845 A CN 115200845A
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- hydraulic jack
- plate
- fixed
- strength bolt
- load sensor
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- 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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Abstract
The invention discloses an assembled adjustable static test device, which relates to the technical field of building engineering static test devices and comprises an adjusting mechanism, wherein a load sensor and a hydraulic jack are sequentially installed on the adjusting mechanism, one end of the load sensor is fixedly connected with the adjusting mechanism, the other end of the load sensor is fixedly connected with the hydraulic jack, and the adjusting mechanism drives the load sensor and the hydraulic jack to adjust in the three directions of length, width and height; and limiting mechanisms are arranged around the hydraulic jack and fixedly connected with the adjusting mechanism. The invention realizes the adjustment of the load sensor and the hydraulic jack in the three directions of length, width and height, the load sensor and the hydraulic jack do not need to be detached in the adjustment process, the operation of the adjustment process is simple, the adjustment workload is small, and the efficiency of the static test is improved; the limiting mechanism increases the rigidity and the overall stability of the testing device and improves the precision of the static test.
Description
Technical Field
The invention relates to the technical field of constructional engineering static test devices, in particular to an assembled adjustable static test device.
Background
In the field of building engineering, static test is one of the most extensive methods for researching the mechanical properties of a component, and static test equipment generally comprises a plane assembly type reaction frame, a static loading device and a force measuring device to measure the mechanical property indexes of the component such as ultimate bearing capacity and the like. The plane assembly type reaction frame is mainly used for fixedly connecting a static force loading device, a force measuring device and a test specimen, wherein the common static force loading device is a hydraulic jack, and the common force measuring device is a load sensor. At present, a hydraulic jack and a load sensor are fixedly connected into a whole and then fixedly connected with a plane assembly type reaction frame, so that the accurate centering of the load sensor and the hydraulic jack is realized, and the accuracy of measuring a loading force is ensured, however, the method has the following defects: (1) When the load sensor and the hydraulic jack are fixed into a whole, the weight is larger, the adjustment in the three directions of length, width and height is completed manually, the load sensor and the hydraulic jack are usually required to be detached and then adjusted and installed, the operation is difficult, the workload in the adjustment process is large, and the static test efficiency is influenced; (2) The cross-sectional dimension of load sensor and hydraulic jack is not far more than the cross-sectional dimension of test piece, and when the two was connected with the test component and becomes a whole, holistic slenderness ratio can be greater than the slenderness ratio of test component to cause the holistic stability problem of device, the device produces great side and moves, leads to the great error of test result appearance that measures, and if the loading dynamics is too big in the test process, very easily appears the equipment damage problem.
Disclosure of Invention
The invention aims to solve the problems and provide a fabricated adjustable static test device.
The invention realizes the purpose through the following technical scheme:
the invention provides an assembled adjustable static test device which comprises an adjusting mechanism, wherein a load sensor and a hydraulic jack are sequentially arranged on the adjusting mechanism, one end of the load sensor is fixedly connected with the adjusting mechanism, the other end of the load sensor is fixedly connected with the hydraulic jack, and the adjusting mechanism drives the load sensor and the hydraulic jack to adjust in the three directions of length, width and height; and limiting mechanisms for limiting the hydraulic jack to laterally move are arranged around the hydraulic jack and fixedly connected with the adjusting mechanism.
Preferably, the adjusting mechanism comprises a bottom plate, a cover plate, a first mounting plate, a second mounting plate, a double-acting hydraulic jack and a first fixing plate, wherein a first guide rail is fixedly arranged on the bottom plate, a first guide groove is formed in one side of the cover plate corresponding to the first guide rail, the first guide groove is matched with the first guide rail and is in sliding connection with the first guide rail so that the load sensor and the hydraulic jack can be adjusted in the length direction, the cover plate is rectangular, the first fixing plate is fixedly arranged at the periphery of the cover plate, a first high-strength bolt is fixedly arranged on the opposite side face of the cover plate and the first guide groove, a first limit groove is machined in the position of the first high-strength bolt, the first high-strength bolt is positioned in the first limit groove, a second guide groove is fixedly arranged on one side of the cover plate away from the bottom plate, and the second guide groove and the first guide groove are vertically distributed in the spatial position, a second guide rail is arranged on one side of the first mounting plate corresponding to the second guide groove, the second guide rail is matched with the second guide groove and is in sliding connection with the second guide groove to realize the adjustment of the load sensor and the hydraulic jack in the width direction, a second high-strength bolt is fixedly arranged on the opposite side surface of the first mounting plate and the second guide rail, a second limit groove is processed on the position of the first fixing plate corresponding to the second high-strength bolt, the second high-strength bolt is positioned in the second limit groove, the central position of the other side of the first mounting plate is fixedly connected with a piston rod of the double-acting hydraulic jack, one end of the double-acting hydraulic jack, which is far away from the piston rod, is fixedly connected with the central position of the second mounting plate, a guide pillar is fixedly arranged on one side of the first mounting plate, which is close to the double-acting hydraulic jack, and a through groove is arranged on the second mounting plate, which is corresponding to the guide pillar, the guide pillar crosses the through groove transversely, the guide pillar is located the second mounting panel both sides position and all is provided with the nut, the guide pillar has a plurality ofly and encircles around double-acting hydraulic jack, double-acting hydraulic jack drives the flexible load sensor and the hydraulic jack of realization of piston rod regulation in the direction of height.
Further, first spacing groove and second spacing groove all are a style of calligraphy and distribute, the length direction of first spacing groove is the same with the length direction of first guide slot, first high-strength bolt slides along the length direction of first spacing groove, first high-strength bolt passes through the nut to be fixed on first spacing groove, the length direction of second spacing groove is the same with the length direction of second guide rail, second high-strength bolt slides along the length direction of second spacing groove, second high-strength bolt passes through the nut to be fixed on the second spacing groove.
Furthermore, a first connecting plate is fixedly arranged at one end, close to the second mounting plate, of the double-acting hydraulic jack, and the first connecting plate is fixedly connected with the second mounting plate through a bolt.
Preferably, the fixed first spliced pole that is provided with of load sensor one end, first spliced pole and second mounting panel fixed connection, the fixed second spliced pole that is provided with in load sensor other end, the second spliced pole is kept away from the fixed second connecting plate that is provided with of load sensor one end, hydraulic jack is close to the fixed third connecting plate that is provided with of load sensor one end, the third connecting plate passes through bolt fixed connection with the second connecting plate.
Preferably, stop gear includes second fixed plate, guide block, sliding element, extensible member, fixed block and third high-strength bolt, bottom plate one side fixed mounting is kept away from to first fixed plate has the second fixed plate, hydraulic jack side and the corresponding fixed position of second fixed plate have the guide block, slidable member has sliding element on the guide block, sliding element can slide at hydraulic jack top face, the second fixed plate has the third spacing groove with the corresponding position processing of sliding element, the third high-strength bolt has been placed to the third spacing inslot, the length direction of third spacing groove is the same with the length direction of second spacing groove, the third high-strength bolt slides along the length direction of third spacing groove, the third high-strength bolt passes through the nut to be fixed on the third spacing groove, the third high-strength bolt is close to sliding element one end fixed mounting and has the fixed block, be connected through the extensible member between fixed block and the sliding element.
Further, the sliding element comprises a support plate, side plates, rotating shafts and rollers, wherein the side plates are fixedly mounted on two sides of the support plate and vertically distributed with the support plate, the rotating shafts are mounted on the side plates and located on two sides of the side plates, nuts are mounted on the rotating shafts, a bearing is fixedly mounted at one end of each rotating shaft, and the rollers are fixedly mounted on the bearings.
Further, the extensible member includes connecting rod, first telescopic link and second telescopic link, the connecting rod is close to both ends position and all processes the internal thread, the internal thread revolves to opposite in connecting rod both ends, first telescopic link and second telescopic link one end are all processed there is the external screw thread, the external screw thread of first telescopic link tip revolves to opposite with the external screw thread of second telescopic link tip, first telescopic link is connected through the screw thread with connecting rod one end, the second telescopic link is connected through the screw thread with the connecting rod other end.
Furthermore, the outer sides and the inner sides of the first fixing plate and the second fixing plate are both fixedly provided with stiffening ribs, and the stiffening ribs are distributed along the length direction of the second fixing plate.
The working principle of the invention is that (1) the plane assembly type reaction frame comprises a bottom beam, upright posts and a top beam, wherein the upright posts are arranged on two sides of the bottom beam, the top beam is arranged right above the bottom beam, the top beam is positioned between the upright posts, an adjusting mechanism is fixedly arranged on the top beam, a load sensor is fixedly arranged on the adjusting mechanism, a hydraulic jack is fixedly arranged at the end part of the load sensor far away from the adjusting mechanism, a limiting mechanism is fixedly arranged on the adjusting mechanism, the limiting mechanism surrounds the periphery of the load sensor and the hydraulic jack, the limiting mechanism is tightly attached to the side surface of the hydraulic jack, one end of the hydraulic jack far away from the load sensor is fixedly provided with a fixed hinged support, a fixed hinged support is arranged at the corresponding position of the bottom beam, a test piece is fixedly arranged between the two fixed hinged supports, and the fixed installation of the whole static test device is completed; (2) When the length direction is required to be adjusted, the nut on the first high-strength bolt is loosened, so that the first high-strength bolt slides left and right along the first limiting groove, the first high-strength bolt drives the cover plate to move in the length direction relative to the base plate through the first guide rail and the first guide groove in a matching manner, the nut on the third high-strength bolt in the third limiting groove below the first limiting groove is loosened, the third high-strength bolt and the first high-strength bolt move synchronously, when the position is adjusted to a proper position, the first high-strength bolt is locked on the first limiting groove and the third high-strength bolt is locked on the third limiting groove through the nut, then the whole length of the telescopic part is increased or reduced through rotating the connecting rod, the effect that the sliding element is tightly attached to the guide block through fine adjustment of the telescopic part is achieved, and the adjustment of the load sensor and the hydraulic jack in the length direction is completed; (3) When the adjustment in the width direction is needed, the nut on the second high-strength bolt is loosened, so that the second high-strength bolt slides left and right along the second limiting groove, the second high-strength bolt drives the first mounting plate to move in the width direction relative to the cover plate through the second guide groove and the second guide rail in a matching manner, the nut on the third high-strength bolt in the third limiting groove below the second limiting groove is loosened, so that the third high-strength bolt and the second high-strength bolt synchronously move, when the adjustment is carried out to a proper position, the second high-strength bolt is locked on the second limiting groove and the third high-strength bolt is locked on the third limiting groove through the nut, then the whole length of the expansion part is increased or reduced through rotating the connecting rod, the effect of fine adjustment of the expansion part to enable the sliding element to be tightly attached to the guide block is achieved, and the adjustment of the load sensor and the hydraulic jack in the width direction is completed; (4) When the height direction of the load sensor is adjusted to be proper, the double-acting hydraulic jack stops working, at the moment, the nuts of the guide columns on the two sides of the second mounting plate are screwed down to fixedly connect the second mounting plate with the guide columns, and the nuts of the first connecting plate and the second mounting plate are loosened to separate the first connecting plate from the second mounting plate. The adjustment of the load sensor and the hydraulic jack in the three directions of length, width and height can be realized through the steps, the operation is convenient, and the mechanical property test of the test piece can be carried out after the adjustment of the static test device is completed.
The adjusting mechanism can be fixedly connected with the bottom beam of the plane assembly type reaction frame through bolts, can also be fixedly connected with the top beam of the plane assembly type reaction frame through bolts, and can also be fixedly connected with the upright posts of the plane assembly type reaction frame through bolts, the mounting position of the adjusting mechanism can be adjusted, and the application range is wide.
The invention has the beneficial effects that: (1) The adjusting mechanism of the invention realizes the adjustment of the load sensor and the hydraulic jack in the three directions of length, width and height, the adjustment process does not need to disassemble the load sensor and the hydraulic jack, the adjustment of the load sensor and the hydraulic jack in the length direction is realized through the matching of the first guide rail and the first guide groove, the adjustment of the load sensor and the hydraulic jack in the width direction is realized through the matching of the second guide rail and the second guide rail, and the adjustment of the load sensor and the hydraulic jack in the height direction is realized through the double-acting hydraulic jack; (2) The limiting mechanism improves the rigidity of the whole test device, ensures that only vertical displacement exists in the hydraulic jack in the static force loading process, avoids the problem that the test device and a test piece are jointly unstable, ensures the accuracy of the measured test data, and simultaneously ensures that the problem of equipment damage cannot occur when the loading force is too large in the test process due to the limiting mechanism; (3) The second connecting plate and the third connecting plate are connected into a whole through the bolt and the nut, so that the accurate centering of the load sensor and the hydraulic jack can be realized, the preparation work of a static test is reduced, the static test efficiency is improved, and the accuracy of the measured loading force is ensured; (4) The stiffening ribs on the inner side and the outer side of the first fixing plate and the second fixing plate can improve the bending rigidity of the first fixing plate and the second fixing plate, so that the overall stability of the test device is improved; (5) Most parts of the testing device are fixedly connected through bolts, so that the testing device is convenient to operate during construction and debugging and can be repeatedly used.
Drawings
FIG. 1 is an assembled perspective view of the overall structure of the present invention;
FIG. 2 is an enlarged view of the overall structure of the present invention;
FIG. 3 is a first perspective view of the adjustment mechanism of the present invention;
FIG. 4 is a second perspective view of the adjustment mechanism of the present invention;
FIG. 5 is a perspective view of the double acting hydraulic jack of the present invention;
FIG. 6 is a perspective view of the hydraulic jack of the present invention;
FIG. 7 is a perspective view of the spacing mechanism of the present invention;
FIG. 8 is a perspective view of the fixed block of the present invention;
FIG. 9 is a perspective view of the telescoping member of the present invention;
figure 10 is a perspective view of a sliding element of the present invention.
Description of reference numerals:
1. a plane assembly type reaction frame; 11. a bottom beam; 12. a column; 13. a top beam;
2. a fixed hinge support;
3. an adjustment mechanism; 31. a base plate; 311. a first guide rail; 32. a cover plate; 321. a first guide groove; 322. a second guide groove; 323. a first high-strength bolt; 33. a first mounting plate; 331. a second high-strength bolt; 332. a guide post; 34. a second mounting plate; 35. a double-acting hydraulic jack; 351. a piston rod; 352. a first connecting plate;
4. a test piece;
5. a load sensor; 51. a first connecting post; 52. a second connecting column; 53. a second connecting plate;
6. a hydraulic jack; 61. a third connecting plate;
7. a limiting mechanism; 71. a first fixing plate; 711. a first limit groove; 712. a second limit groove; 713. a third limiting groove; 72. a second fixing plate; 73. a guide block; 74. a sliding element; 741. a support plate; 742. a side plate; 743. a roller; 744. a rotating shaft; 75. a telescoping member; 751. a connecting rod; 752. a first telescopic rod; 753. a second telescopic rod; 76. a third high-strength bolt; 77. a stiffening rib; 78. a fixed block;
8. mounting holes;
9. and a nut.
Detailed Description
The invention will be further described with reference to the accompanying drawings in which:
as shown in fig. 1 and 2, the invention provides an assembled adjustable static test device, which comprises an adjusting mechanism 3, wherein a load sensor 5 and a hydraulic jack 6 are sequentially installed on the adjusting mechanism 3, one end of the load sensor 5 is fixedly connected with the adjusting mechanism 3, and the other end of the load sensor 5 is fixedly connected with the hydraulic jack 6. The adjusting mechanism 3 drives the load sensor 5 and the hydraulic jack 6 to adjust in the length direction, the width direction and the height direction. The load sensor 5 and the hydraulic jack 6 are adjusted in three directions of length, width and height by taking the bottom plate 31 of the adjusting mechanism 3 as a reference. And limiting mechanisms 7 for limiting the hydraulic jack 6 to laterally move are arranged around the hydraulic jack 6, and the limiting mechanisms 7 are fixedly connected with the adjusting mechanism 3.
As shown in fig. 2, 3, 4, 5 and 7, on the basis of the above embodiment, further, the adjusting mechanism 3 includes a bottom plate 31, a cover plate 32, a first mounting plate 33, a second mounting plate 34, a double-acting hydraulic jack 35 and a first fixing plate 71. The bottom plate 31 is provided with a mounting hole 8, and the bottom plate 31 is fixedly connected with the top beam 13 of the plane assembly type reaction frame 1 through the matching of bolts and nuts. The base plate 31 is fixedly provided with a first guide rail 311, one side of the cover plate 32 corresponding to the first guide rail 311 is provided with a first guide groove 321, and the first guide groove 321 is matched with the first guide rail 311 in a sliding connection manner to realize the adjustment of the load sensor 5 and the hydraulic jack 6 in the length direction. In this embodiment, the cross sections of the first guide rail 311 and the first guide groove 321 are both T-shaped. The cover plate 32 is rectangular. The bottom plate 31 is fixedly provided with a first fixing plate 71 at the periphery of the cover plate 32, and the first fixing plate 71 is fixedly connected with the bottom plate 31 in a welding manner. The cover plate 32 is fixedly provided with a first high-strength bolt 323 on the opposite side surface of the first guide groove 321, and the first high-strength bolt 323 is fixedly connected with the cover plate 32 in a welding manner. A first limiting groove 711 is formed in the first fixing plate 71 at a position corresponding to the first high-strength bolt 323, and the first high-strength bolt 323 is located in the first limiting groove 711. The cover plate 32 is fixedly provided with a second guide groove 322 at a side away from the bottom plate 31, and the second guide groove 322 and the first guide groove 321 are vertically distributed in spatial position. The corresponding one side of first mounting panel 33 and second guide slot 322 is provided with the second guide rail, and the second guide rail realizes load sensor 5 and hydraulic jack 6 and adjusts in the width direction with second guide slot 322 cooperation sliding connection. In this embodiment, the cross sections of the second guide groove 322 and the second guide rail are both T-shaped. The first mounting plate 33 and the opposite side of the second guide rail are fixedly provided with a second high-strength bolt 331, and the second high-strength bolt 331 is fixedly connected with the first mounting plate 33 in a welding mode. A second limiting groove 712 is formed in the first fixing plate 71 opposite to the second high-strength bolt 331, and the second high-strength bolt 331 is located in the second limiting groove 712. The center position of the other side of the first mounting plate 33 is fixedly connected with the piston rod 351 of the double-acting hydraulic jack 35. The end of the double-acting hydraulic jack 35 away from the piston rod 351 is fixedly connected with the central position of the second mounting plate 34. A guide post 332 is fixedly arranged on one side of the first mounting plate 33 close to the double-acting hydraulic jack 35, and the guide post 332 is fixedly connected with the first mounting plate 33 in a welding mode. A through slot is arranged on the second mounting plate 34 corresponding to the guide post 332, and the guide post 332 traverses the through slot. The guide posts 332 are provided with nuts 9 at both sides of the second mounting plate 34. The guide posts 332 are multiple and surround the double-acting hydraulic jack 35. In this embodiment, there are four guide posts 332, and the four guide posts 332 are distributed around the double-acting hydraulic jack 35 in a rectangular shape. The double-acting hydraulic jack 35 drives the piston rod 351 to stretch and retract, so that the load sensor 5 and the hydraulic jack 6 are adjusted in the height direction.
As shown in fig. 2, 3 and 7, in addition to the above embodiment, the first limiting grooves 711 and the second limiting grooves 712 are disposed in a straight line. The first stopper groove 711 has the same longitudinal direction as the first guide groove 321, the first high-strength bolt 323 slides along the longitudinal direction of the first stopper groove 711, and the first high-strength bolt 323 is fixed to the first stopper groove 711 by the nut 9. The length direction of the second limiting groove 712 is the same as the length direction of the second guide rail, the second high-strength bolt 331 slides along the length direction of the second limiting groove 712, and the second high-strength bolt 331 is fixed on the second limiting groove 712 through a nut 9.
As shown in fig. 4, in addition to the above-mentioned embodiment, a first connection plate 352 is further fixedly disposed at one end of the double-acting hydraulic jack 35 near the second mounting plate 34. The first connecting plate 352 is fixedly connected with the double-acting hydraulic jack 35 by welding. The first connecting plate 352 is fixedly connected to the second mounting plate 34 by bolts.
As shown in fig. 6, in addition to the above embodiment, a first connection column 51 is fixedly arranged at one end of the load sensor 5, the first connection column 51 is fixedly connected with the second mounting plate 34, and the first connection column 51 is fixedly connected with the second mounting plate 34 through a screw thread. The other end of the load sensor 5 is fixedly provided with a second connecting column 52, one end of the second connecting column 52, far away from the load sensor 5, is fixedly provided with a second connecting plate 53, and the second connecting column 52 is fixedly connected with the second connecting plate 53 through threads. One end of the hydraulic jack 6, which is close to the load sensor 5, is fixedly provided with a third connecting plate 61, and the third connecting plate 61 is fixedly connected with the second connecting plate 53 through a bolt.
As shown in fig. 2, fig. 7 and fig. 8, on the basis of the above embodiment, further, the limiting mechanism 7 includes a second fixing plate 72, a guide block 73, a sliding element 74, a telescopic member 75, a fixing block 78 and a third high-strength bolt 76. The second fixing plate 72 is fixedly mounted on the side of the first fixing plate 71 away from the bottom plate 31, and the second fixing plate 72 is fixedly connected with the first fixing plate 71 in a welding manner. The side surface of the hydraulic jack 6 is fixedly provided with a guide block 73 at a position corresponding to the second fixing plate 72, and the guide block 73 is fixedly connected with the hydraulic jack 6 in a welding mode. A sliding element 74 is slidably mounted on the guide block 73, the sliding element 74 being slidable laterally of the hydraulic jack 6. A third limiting groove 713 is formed at a position of the second fixing plate 72 corresponding to the sliding member 74. The third high-strength bolt 76 is placed in the third stopper groove 713, the length direction of the third stopper groove 713 is the same as the length direction of the second stopper groove 712, the third high-strength bolt 76 slides along the length direction of the third stopper groove 713, and the third high-strength bolt 76 is fixed to the third stopper groove 713 by the nut 9. A fixing block 78 is fixedly mounted at one end of the third high-strength bolt 76 close to the sliding element 74, and the fixing block 78 is fixedly connected with the third high-strength bolt 76 by welding. The fixed block 78 is connected to the sliding element 74 via the telescopic element 75.
As shown in fig. 2, fig. 7 and fig. 10, in addition to the above embodiment, the sliding element 74 further includes a support plate 741, a side plate 742, a rotation shaft 744 and a roller 743. Both sides of the support plate 741 are fixedly provided with side plates 742, the side plates 742 are perpendicular to the support plate 741, and the support plate 741 is fixedly connected with the side plates 742 by welding. Rotating shafts 744 are mounted on the two side plates 742, nuts 9 are mounted on the positions, located on the two sides of the side plates 742, of the rotating shafts 744, bearings are fixedly mounted at one ends of the rotating shafts 744, idler wheels 743 are fixedly mounted on the bearings, and the idler wheels 743 roll on the side faces of the hydraulic jack 6. Two rows of rollers 743 are provided on the sliding element 74, and a guide block 73 is located between the two rows of rollers 743, the guide block 73 providing a guiding function for the sliding element 74.
As shown in fig. 2, 7 and 9, on the basis of the above embodiment, further, the telescopic member 75 comprises a connecting rod 751, a first telescopic rod 752 and a second telescopic rod 753. The positions of the connecting rod 751 close to the two ends are both provided with internal threads, and the rotating directions of the internal threads at the two ends of the connecting rod 751 are opposite. External threads are machined at one ends of the first telescopic rod 752 and the second telescopic rod 753, and the rotating direction of the external threads at the end part of the first telescopic rod 752 is opposite to that of the external threads at the end part of the second telescopic rod 753. The first telescopic rod 752 is connected with one end of the connecting rod 751 through a screw thread, and the second telescopic rod 753 is connected with the other end of the connecting rod 751 through a screw thread. When the link 751 is rotated in the forward direction, the entire length of the extensible member 75 is extended; when the link 751 is rotated in the opposite direction, the overall length of the telescopic member 75 is shortened.
As shown in fig. 2 and 7, the telescopic part 75 on the limiting mechanism 7 is matched with the third high-strength bolt 76 to keep the same adjusting force with the adjusting mechanism 3 on the same horizontal plane, and the sliding element 74 on the limiting mechanism 7 is matched with the guide block 73 to assist in adjusting the hydraulic jack 6 in the height direction, so that the loading accuracy of the static test is ensured, and the overall stability of the static test device is improved.
As shown in fig. 2 and 7, in addition to the above embodiment, stiffening ribs 77 are fixedly provided on both the outer side and the inner side of the first fixing plate 71 and the second fixing plate 72, and the stiffening ribs 77 are distributed along the length direction of the second fixing plate 72. The stiffener 77 is fixedly connected to the first fixing plate 71 and the second fixing plate 72 by welding.
As shown in fig. 1 to 10, in operation, (1) the plane assembly type reaction frame 1 includes a bottom beam 11, vertical columns 12 and a top beam 13, the vertical columns 12 are installed on both sides of the bottom beam 11, the top beam 13 is installed directly above the bottom beam 11, the top beam 13 is located between the vertical columns 12, the adjusting mechanism 3 is fixedly installed on the top beam 13, the load sensor 5 is fixedly installed on the adjusting mechanism 3, the hydraulic jack 6 is fixedly installed at the end of the load sensor 5 far away from the adjusting mechanism 3, the limiting mechanism 7 is fixedly installed on the adjusting mechanism 3, the limiting mechanism 7 surrounds the load sensor 5 and the hydraulic jack 6, the limiting mechanism 7 is tightly attached to the side surface of the hydraulic jack 6, a fixed hinge support 2 is fixedly installed at one end of the hydraulic jack 6 far away from the load sensor 5, a fixed hinge support 2 is installed at a position corresponding to the bottom beam 11, a test piece 4 is fixedly installed between the two fixed hinge supports 2, and fixed installation of the whole static test device is completed. (2) When the length direction needs to be adjusted, the nut 9 on the first high-strength bolt 323 is loosened, so that the first high-strength bolt 323 slides left and right along the first limiting groove 711, the first high-strength bolt 323 drives the cover plate 32 to move in the length direction through the matching of the first guide rail 311 and the first guide groove 321 relative to the base plate 31, meanwhile, the nut 9 on the third high-strength bolt 76 in the third limiting groove 713 below the first limiting groove 711 is loosened, so that the third high-strength bolt 76 and the first high-strength bolt 323 synchronously move, when the position is adjusted to a proper position, the first high-strength bolt 323 is locked on the first limiting groove 711 and the third high-strength bolt 76 is locked on the third limiting groove 713 through the nut 9, then, the overall length of the telescopic member 75 is increased or decreased through rotating the connecting rod, the effect that the telescopic member 75 is finely adjusted so that the sliding element 74 and the guide block 73 are tightly attached is achieved, and the adjustment of the load sensor 5 and the hydraulic jack 6 in the length direction is completed. (3) When the adjustment in the width direction needs to be performed, the nut 9 on the second high-strength bolt 331 is loosened, so that the second high-strength bolt 331 slides left and right along the second limiting groove 712, the second high-strength bolt 331 drives the first mounting plate 33 to move in the width direction through the cooperation of the second guide groove 322 and the second guide rail relative to the cover plate 32, meanwhile, the nut 9 on the third high-strength bolt 76 in the third limiting groove 713 below the second limiting groove 712 is loosened, so that the third high-strength bolt 76 and the second high-strength bolt 331 move synchronously, when the adjustment is performed to a proper position, the second high-strength bolt 331 is locked on the second limiting groove 712 and the third high-strength bolt 76 is locked on the third limiting groove 713 through the nut 9, then, the overall length of the telescopic member 75 is increased or decreased through rotating the connecting rod 751, the effect that the sliding element 74 and the guide block 73 are tightly attached to the fine adjustment of the telescopic member 75 is achieved, and the adjustment of the load sensor 5 and the hydraulic jack 6 in the width direction is completed. (4) When the height direction adjustment is needed, the double-acting hydraulic jack 35 works, the double-acting hydraulic jack 35 moves downwards, when the first connecting plate 352 on the double-acting hydraulic jack 35 is close to the second mounting plate 34, the first connecting plate 352 is fixedly connected with the second mounting plate 34 through the bolts and the nuts 9, the guide posts 332 are loosened to enable the second mounting plate 34 to move along the guide posts 332, the double-acting hydraulic jack 35 works again to drive the second mounting plate 34 to move, the load sensor 5 and the hydraulic jack 6 move synchronously along with the second mounting plate 34, as the guide blocks 73 on the hydraulic jack 6 are matched with the sliding elements 74 on the limiting mechanisms 7, the hydraulic jack 6 can only move along the height direction, when the load sensor 5 and the hydraulic jack 6 are adjusted to the proper height position, the double-acting hydraulic jack 35 stops working, at the moment, the nuts 9 on the two sides of the guide posts 332 are tightened to enable the second mounting plate 34 to be fixedly connected with the guide posts 332, when the load sensor 352 and the nuts 9 connected with the second mounting plate 34 are loosened to enable the first connecting plate 34 to separate from the second connecting plate 34, the double-acting hydraulic jack 35 is driven to reset the hydraulic jack 6, and the hydraulic jack 352 is reset to complete the height adjustment of the load sensor 5 in the height direction. The adjustment of the load sensor 5 and the hydraulic jack 6 in the three directions of length, width and height can be realized through the steps, the operation is convenient, and the mechanical property test of the test piece can be carried out after the adjustment of the static test device is completed.
The above are only preferred embodiments of the present invention, and do not limit the scope of the claims of the present invention. Those skilled in the art should understand that they can make various changes, modifications, substitutions and alterations herein without departing from the principles and spirit of the invention, and shall fall within the scope of the invention. The scope of the invention is defined by the claims and their equivalents.
Claims (9)
1. The utility model provides an adjustable static test device of assembled which characterized in that: the device comprises an adjusting mechanism, wherein a load sensor and a hydraulic jack are sequentially arranged on the adjusting mechanism, one end of the load sensor is fixedly connected with the adjusting mechanism, the other end of the load sensor is fixedly connected with the hydraulic jack, and the adjusting mechanism drives the load sensor and the hydraulic jack to adjust in the three directions of length, width and height; and limiting mechanisms for limiting the hydraulic jack to laterally move are arranged around the hydraulic jack and are fixedly connected with the adjusting mechanism.
2. A modular adjustable static test apparatus as claimed in claim 1 wherein: the adjusting mechanism comprises a bottom plate, a cover plate, a first mounting plate, a second mounting plate, a double-acting hydraulic jack and a first fixing plate, wherein a first guide rail is fixedly arranged on the bottom plate, a first guide groove is formed in one side of the cover plate corresponding to the first guide rail, the first guide groove is matched with the first guide rail and is in sliding connection with the first guide rail so that a load sensor and the hydraulic jack can be adjusted in the length direction, the cover plate is rectangular, the bottom plate is fixedly provided with the first fixing plate at the peripheral position of the cover plate, the opposite side surface of the cover plate and the first guide groove is fixedly provided with a first high-strength bolt, a first limiting groove is processed in the first fixing plate at the position corresponding to the first high-strength bolt, the first high-strength bolt is positioned in the first limiting groove, a second guide groove is fixedly arranged on one side of the cover plate away from the bottom plate, and the second guide groove and the first guide groove are vertically distributed in the spatial position, a second guide rail is arranged on one side of the first mounting plate corresponding to the second guide groove, the second guide rail is matched with the second guide groove and is in sliding connection with the second guide groove to realize the adjustment of the load sensor and the hydraulic jack in the width direction, a second high-strength bolt is fixedly arranged on the opposite side surface of the first mounting plate and the second guide rail, a second limit groove is processed on the first fixing plate corresponding to the second high-strength bolt, the second high-strength bolt is positioned in the second limit groove, the central position of the other side of the first mounting plate is fixedly connected with a piston rod of the double-acting hydraulic jack, one end of the double-acting hydraulic jack, far away from the piston rod, is fixedly connected with the central position of the second mounting plate, a guide pillar is fixedly arranged on one side of the first mounting plate, close to the double-acting hydraulic jack, a through groove is arranged on the second mounting plate corresponding to the guide pillar, and the guide pillar transversely passes through the through groove, the guide columns are arranged on two sides of the second mounting plate and are provided with nuts, the guide columns are multiple and surround the periphery of the double-acting hydraulic jack, and the double-acting hydraulic jack drives the piston rod to stretch and retract so as to achieve adjustment of the load sensor and the hydraulic jack in the height direction.
3. A modular adjustable static test apparatus as claimed in claim 2, wherein: first spacing groove and second spacing groove all are a style of calligraphy and distribute, the length direction of first spacing groove is the same with the length direction of first guide slot, first high-strength bolt slides along the length direction of first spacing groove, first high-strength bolt passes through the nut to be fixed on first spacing groove, the length direction of second spacing groove is the same with the length direction of second guide rail, second high-strength bolt slides along the length direction of second spacing groove, second high-strength bolt passes through the nut to be fixed on the second spacing groove.
4. A modular adjustable static test apparatus as claimed in claim 2, wherein: and a first connecting plate is fixedly arranged at one end, close to the second mounting plate, of the double-acting hydraulic jack, and the first connecting plate is fixedly connected with the second mounting plate through a bolt.
5. A modular adjustable static test apparatus as claimed in claim 2, wherein: the fixed first spliced pole that is provided with of load sensor one end, first spliced pole and second mounting panel fixed connection, the fixed second spliced pole that is provided with in load sensor other end, the second spliced pole is kept away from the fixed second connecting plate that is provided with of load sensor one end, hydraulic jack is close to the fixed third connecting plate that is provided with of load sensor one end, the third connecting plate passes through bolt fixed connection with the second connecting plate.
6. An assembled adjustable static test apparatus according to any one of claims 2 to 5 wherein: stop gear includes second fixed plate, guide block, sliding element, extensible member, fixed block and third high-strength bolt, bottom plate one side fixed mounting is kept away from to first fixed plate has the second fixed plate, hydraulic jack side and the corresponding fixed position of second fixed plate have the guide block, slidable mounting has sliding element on the guide block, sliding element can slide at hydraulic jack top face, the second fixed plate has the third spacing groove with the corresponding position processing of sliding element, third high-strength bolt has been placed to the third spacing inslot, the length direction of third spacing groove is the same with the length direction of second spacing groove, third high-strength bolt slides along the length direction of third spacing groove, third high-strength bolt passes through the nut to be fixed on the third spacing groove, third high-strength bolt is close to sliding element one end fixed mounting and has the fixed block, be connected through the extensible member between fixed block and the sliding element.
7. An assembled adjustable static test apparatus as claimed in claim 6, wherein: the sliding element comprises a support plate, side plates, rotating shafts and rollers, wherein the side plates are fixedly mounted on two sides of the support plate and vertically distributed with the support plate, the rotating shafts are mounted on the side plates and located on two sides of the side plates, nuts are mounted on the rotating shafts, bearings are fixedly mounted at one ends of the rotating shafts, and the rollers are fixedly mounted on the bearings.
8. An assembled adjustable static test apparatus as claimed in claim 6, wherein: the extensible member includes connecting rod, first telescopic link and second telescopic link, the connecting rod is close to both ends position and all processes the internal thread, the internal thread revolves to opposite at connecting rod both ends, first telescopic link and second telescopic link one end are all processed the external screw thread, the external screw thread of first telescopic link tip revolves to opposite with the external screw thread of second telescopic link tip, first telescopic link is connected through the screw thread with connecting rod one end, the second telescopic link is connected through the screw thread with the connecting rod other end.
9. An assembled adjustable static test apparatus as claimed in claim 6, wherein: the outside and the inboard of first fixed plate and second fixed plate all are fixed and are provided with stiffening rib, stiffening rib distributes along the length direction of second fixed plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210570646.8A CN115200845A (en) | 2022-05-24 | 2022-05-24 | Adjustable static test device of assembled |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210570646.8A CN115200845A (en) | 2022-05-24 | 2022-05-24 | Adjustable static test device of assembled |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115200845A true CN115200845A (en) | 2022-10-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210570646.8A Pending CN115200845A (en) | 2022-05-24 | 2022-05-24 | Adjustable static test device of assembled |
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| Country | Link |
|---|---|
| CN (1) | CN115200845A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115979697A (en) * | 2023-03-17 | 2023-04-18 | 西安航天动力研究所 | Frame multiplex condition test device |
-
2022
- 2022-05-24 CN CN202210570646.8A patent/CN115200845A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115979697A (en) * | 2023-03-17 | 2023-04-18 | 西安航天动力研究所 | Frame multiplex condition test device |
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