CN114526897B - Dynamic and static loading comprehensive test bed for shock absorption damper - Google Patents
Dynamic and static loading comprehensive test bed for shock absorption damper Download PDFInfo
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- CN114526897B CN114526897B CN202210089296.3A CN202210089296A CN114526897B CN 114526897 B CN114526897 B CN 114526897B CN 202210089296 A CN202210089296 A CN 202210089296A CN 114526897 B CN114526897 B CN 114526897B
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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
Abstract
The invention provides a dynamic and static loading comprehensive test bed of a damping damper, which comprises a static loading rack static loading hydraulic cylinder, an anti-torsion device, a positioning vehicle, a static loading tested piece, a dynamic loading rack, a dynamic loading hydraulic cylinder, a dynamic loading tested piece, a mechanical arm fixing frame mechanism and a dynamic loading tested piece feeding mechanical arm mechanism, wherein the dynamic loading rack is fixedly arranged on the static loading rack, and the dynamic loading test bed and the static loading test bed are integrated, so that design materials are greatly saved and occupied space is effectively saved; the mechanical arm mechanism for dynamically loading the tested piece feeding mechanical arm can effectively realize automatic installation and dynamic loading, and the automatic installation and dynamic loading equipment can avoid potential threat of the working environment in the installation process to the safety of workers, thereby being beneficial to improving the working safety coefficient; the monotonous, repeated and trivial manual debugging process is omitted, the working beat is quickened, and the working efficiency is improved.
Description
Technical Field
The invention relates to the technical field of dynamic and static loading of damping dampers, in particular to a comprehensive test bed for dynamic and static loading of damping dampers.
Background
The vibration damper is firstly applied to the industries of aviation, aerospace, military industry, automobiles and the like, and after 1970, the technology is gradually transferred to structural engineering such as bridges, buildings, railways and the like, and the development is very rapid. The shock-absorbing and energy-dissipating damper is used for absorbing vibration energy generated by earthquake, wind and the like on a building and plays an important role in shock absorption of the building. With the development of the shock absorption and energy dissipation damper, the capability of the building for resisting natural disasters such as earthquakes and the like can be further improved, and the life safety of human beings is protected. The shock absorption damper test bed can test the comprehensive performance of the shock absorption damper, and lays a foundation for further improving the performance of the shock absorption damper.
In order to detect the performance of the damping damper, a static loading test and a dynamic loading test are required to be carried out on the damping damper, a static loading test bed is required to be carried out on the damping damper when the static loading test is carried out, a dynamic loading test bed is required to be carried out on the damping damper when the dynamic loading test is carried out, the static loading test bed and the dynamic loading test bed are independently designed, material resources are wasted, and occupied space is large; at present, most of shock absorber test bed positioning vehicles adopt manual pin shaft plugging and unplugging for positioning, so that manpower is wasted; the existence of the gap between the pin shaft and the pin shaft hole can generate line contact, so that the shock absorption damper has poor stress condition.
Disclosure of Invention
The dynamic and static loading comprehensive test bed for the damping damper solves the problems of material waste and large occupied space caused by independent design of a static loading test bed and a dynamic loading test bed of the conventional damping damper, integrates the dynamic loading test bed and the static loading test bed, greatly saves design materials and effectively saves occupied space.
In order to achieve the above purpose, the technical scheme of the invention is as follows:
the invention discloses a dynamic and static loading comprehensive test bed of a damping damper, which comprises a static loading rack, a static loading hydraulic cylinder, an anti-torsion device, a positioning vehicle, a static loading tested piece, a dynamic loading rack, a dynamic loading hydraulic cylinder, a dynamic loading tested piece, a mechanical arm fixing frame mechanism and a dynamic loading tested piece feeding mechanical arm mechanism, wherein the static loading hydraulic cylinder is fixedly arranged on the static loading rack, the anti-torsion device is slidingly arranged on the static loading rack, the positioning vehicle is slidingly arranged on the static loading rack, the static loading tested piece is arranged between the anti-torsion device and the positioning vehicle when being loaded, the dynamic loading rack is fixedly arranged on the static loading rack, the dynamic loading hydraulic cylinder is arranged at the lower part of the static loading rack and connected with the dynamic loading rack, the dynamic loading hydraulic cylinder is arranged in the dynamic loading rack when being loaded, the mechanical arm fixing frame mechanism first end is fixedly arranged on the positioning vehicle, and the dynamic loading tested piece feeding mechanical arm mechanism is connected with the mechanical arm fixing frame mechanism.
Further, the static loading rack comprises a first supporting beam, a second supporting beam, a first cross beam and a second cross beam, wherein first ends of the first cross beam and the second cross beam are fixedly connected with the first supporting beam, second ends of the first cross beam and the second cross beam are fixedly connected with the second supporting beam, and through holes are formed in the first supporting beam; a plurality of first positioning blocks are arranged on one side surface of the first cross beam, which is opposite to the second cross beam, a plurality of second positioning blocks are arranged on one side surface of the second cross beam, which is opposite to the first cross beam, and the first positioning blocks and the second positioning blocks are the same in number and opposite in position.
Further, the static load hydraulic cylinder passes through the through hole arranged on the first supporting beam and is fixed, a first displacement sensor is fixedly arranged at the first end of the static load hydraulic cylinder, a first tension and compression sensor is fixedly arranged at the second end of the static load hydraulic cylinder rod, the static load hydraulic cylinder rod is arranged between the first displacement sensor fixedly arranged at the first end and the first tension and compression sensor fixedly arranged at the second end, the terminal of the static load hydraulic cylinder is tightly connected with the anti-torsion device through an M300 compression bolt, the M200 compression bolt and the M300 compression bolt are respectively arranged at two ends of the first tension and compression sensor and are fixed, the first end of the M200 compression bolt is connected with the static load hydraulic cylinder rod, the second end of the M200 compression bolt is connected with the first tension and compression sensor, the first end of the M300 compression bolt is connected with the first tension and compression sensor, the second end of the M300 compression bolt is connected with the first end groove of the flange plate of the anti-torsion device, and the first end of the first tension and compression sensor is connected with the first end face of the anti-torsion device 3.
Further, the first end of the anti-torsion device is slidably mounted on the first beam, the second end of the anti-torsion device is slidably mounted on the second beam, the anti-torsion device comprises a rotating shaft, rollers, a flange plate and rails, the rotating shaft penetrates through the flange plate, the rollers are fixedly mounted at two ends of the rotating shaft, the rollers slide along the rails, and the two rails are respectively mounted on the first beam and the second beam; the first end face of the torsion preventing device is connected with a first tension and compression sensor fixedly mounted at the second end of the cylinder rod of the static load hydraulic cylinder, the first end of the torsion preventing device is connected with the first tension and compression sensor and an M300 compression bolt at the same time, a groove at the first end of a flange plate of the torsion preventing device is connected with the second end of the M300 compression bolt, the end face of the first end of the flange plate of the torsion preventing device is connected with the second end face of the first tension and compression sensor, and the second end face of the torsion preventing device is connected with a static loading tested piece.
Further, the positioning car includes positioning car support, positioning car gyro wheel, positioning car track, positioning car gear, positioning car rack, positioning car synchronizing shaft, positioning car servo motor, positioning car carry shelves pneumatic cylinder and positioning car dog, the sliding distance of positioning car equals with the distance between first locating piece to the last first locating piece, positioning car gyro wheel is installed to the bottom of positioning car support, two positioning car tracks respectively fixed mounting are on first crossbeam and second crossbeam, positioning car gyro wheel slides along the positioning car track, the equal fixedly connected with positioning car gear in both ends of positioning car synchronizing shaft, one of them positioning car gear of output shaft of positioning car servo motor, positioning car carry shelves pneumatic cylinder fixed mounting on the positioning car support, and the terminal of positioning car carry shelves pneumatic cylinder pole supports and leans on the positioning car dog.
Further, the dynamic loading rack is fixedly installed on the static loading rack, the dynamic loading rack comprises a top plate and a bottom plate, the top plate is fixedly connected with the bottom plate through upright posts, support rods are arranged on the side faces of each upright post, the support rods are fixedly connected with the first cross beam or the second cross beam, and the support rods fixedly connected with the first cross beam and the support rods fixedly connected with the second cross beam are parallel to each other on the same side face of the dynamic loading rack.
Further, the movable load hydraulic cylinder is fixedly arranged on the bottom plate of the dynamic loading rack, the first end of the movable load hydraulic cylinder rod is fixedly provided with a second displacement sensor, and the second end of the movable load hydraulic cylinder rod is fixedly provided with a second tension and compression sensor.
Further, the dynamic loading is by frock on the first end of test piece and the frock under the second end of dynamic loading by test piece is included to the dynamic loading by the test piece, the dynamic loading is by frock fixed connection on the first end of test piece the roof of dynamic loading rack, the dynamic loading is by frock fixed connection under the second end of test piece the bottom plate of dynamic loading rack.
Further, the dynamic loading is carried out by the test piece and is carried out mechanical arm mechanism includes that the mechanical arm takes track first end plate, mechanical arm second end plate, mechanical arm second side, first manipulator guide rail, mechanical arm pneumatic cylinder pole carrying piece, mechanical arm pneumatic cylinder pole, mechanical arm material detection lamp, second manipulator guide rail, mechanical arm first side, mechanical arm manual open and close button and mechanical arm pneumatic cylinder, the mechanical arm takes track first end plate with the mechanical arm is connected, the mechanical arm with mechanical arm second end plate is connected, mechanical arm second end plate with mechanical arm first side is connected, mechanical arm first side is fixed on the mechanical arm second end plate, be fixed with on the mechanical arm first side the mechanical arm manual open and close button, mechanical arm first side is fixed with the mechanical arm pneumatic cylinder, the mechanical arm pneumatic cylinder is connected with mechanical arm pneumatic cylinder pole carrying piece, the mechanical arm pneumatic cylinder pole carrying piece with the second side is connected, the mechanical arm is fixed with the mechanical arm material detection lamp is fixed on the first side. The manipulator first side is fixed, the manipulator second side is movable, the manipulator pneumatic cylinder is fixed the manipulator first side, the manipulator first side with manipulator fixed connection, first manipulator guide rail with the second manipulator guide rail all with manipulator pneumatic cylinder pole is parallel to be placed, the manipulator pneumatic cylinder pole is connected the manipulator second side, the manipulator second side is in under the drive of manipulator pneumatic cylinder along the manipulator pneumatic cylinder pole removes, the manipulator pneumatic cylinder with first manipulator guide rail with the inside of manipulator first side is all fixed to the second manipulator guide rail.
Further, bases are arranged at the bottoms of the first cross beam and the second cross beam.
The beneficial technical effects are as follows:
1. the invention discloses a dynamic and static loading comprehensive test bed of a damping damper, which comprises a static loading rack static load hydraulic cylinder, an anti-torsion device, a positioning vehicle, a static loading tested piece, a dynamic loading rack, a dynamic loading hydraulic cylinder, a dynamic loading tested piece, a mechanical arm fixing frame mechanism and a dynamic loading tested piece feeding mechanical arm mechanism, wherein the static loading hydraulic cylinder is fixedly arranged on the static loading rack;
2. according to the invention, the terminal of the cylinder rod of the static load hydraulic cylinder is connected with the anti-torsion device and is connected with the anti-torsion device through the compression bolt, so that the stress is enhanced by double fixed connection, and further the functions of supporting and protecting are achieved, so that the hydraulic cylinder can bear larger load, and is more stable and not easy to damage;
3. in the invention, the output shaft of the positioning vehicle servo motor is connected with one of the positioning vehicle gears, namely, the servo motor is used for driving the gears, so that the positioning vehicle is driven, automatic positioning can be realized, and static loading test pieces with different lengths can be installed and loaded;
4. in the invention, the distance between any two first positioning blocks is equal to the width of the positioning vehicle stop block so as to fix the positioning vehicle, and the positioning vehicle is fixed with the positioning blocks in a surface contact manner through the positioning vehicle stop block, so that the stress area is increased, and the stress condition of the rack is enhanced;
5. according to the invention, the dynamic loading rack comprises a top plate and a bottom plate, the top plate and the bottom plate are fixedly connected through upright posts, the side surface of each upright post is provided with a supporting rod, the supporting rods are fixedly connected with the first cross beam or the second cross beam, the supporting rods fixedly connected with the first cross beam and the supporting rods fixedly connected with the second cross beam on the same side surface of the dynamic loading rack are parallel to each other, a dynamic loading tested piece is arranged in a bracket, the dynamic loading tested piece is more in accordance with actual working conditions during loading, and the structure is more stable;
6. according to the invention, the dynamic loading mechanical arm mechanism for feeding the tested piece can effectively realize automatic installation and dynamic loading, and the automatic installation and dynamic loading equipment can avoid potential threat of the working environment in the installation process to the safety of workers, thereby being beneficial to improving the working safety coefficient; the monotonous, repeated and trivial manual debugging process is omitted, the working beat is quickened, and the working efficiency is improved.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings that are used in the description of the embodiments will be briefly described.
FIG. 1 is an isometric view of the overall structure of a dynamic and static loading comprehensive test bed for a shock absorber damper according to the present invention;
FIG. 2 is an isometric view of a static loading stand of a dynamic and static loading comprehensive test stand of a shock absorber damper according to the present invention;
FIG. 3 is an isometric view of a static load hydraulic cylinder of a dynamic and static loading comprehensive test bed of a shock absorber damper according to the present invention;
FIG. 4 is an isometric view of an anti-torsion device of a dynamic and static loading comprehensive test bed of a shock absorber damper according to the present invention;
FIG. 5 is an isometric view of a positioning vehicle for a dynamic and static loading comprehensive test bed for a shock absorber damper according to the present invention;
FIG. 6 is an isometric view of a static load test piece;
FIG. 7 is an isometric view of a dynamic loading stand of a dynamic and static loading integrated test bed for a shock absorber damper according to the present invention;
FIG. 8 is an isometric view of a dynamic load hydraulic cylinder of a dynamic and static loading comprehensive test bed for a shock absorber damper according to the present invention;
FIG. 9 is an isometric view of a dynamic load test piece;
FIG. 10 is an isometric view of a mechanical arm fixing frame mechanism of a dynamic and static loading comprehensive test stand of a shock absorber damper according to the present invention;
FIG. 11 is an isometric view of a dynamic loading test piece feeding mechanical arm mechanism of a dynamic loading comprehensive test bed for a shock absorber damper according to the present invention;
FIG. 12 is an isometric view of a positioning vehicle shift hydraulic cylinder of a dynamic and static loading comprehensive test bed of a shock absorber damper according to the present invention;
FIG. 13 is a schematic illustration of the invention
FIG. 14 is an isometric view of a test piece loaded with a short static load of a dynamic and static load integrated test bed for a shock absorber damper according to the present invention;
FIG. 15 is an isometric view of a test piece loaded with long static loading of a dynamic and static loading comprehensive test bed for a shock absorber damper according to the present invention;
FIG. 16 is an isometric view of a dynamic loading test bed of a shock absorber damper dynamic and static loading integrated test bed according to the present invention, with test pieces being transferred to the dynamic loading bed;
fig. 17 is an isometric view of a dynamic loading test piece loaded on a dynamic loading comprehensive test stand of a shock absorber damper according to the present invention.
Wherein the device comprises a 1-static loading support, a 11-first support beam, a 12-second support beam, a 13-first cross beam, a 131-first positioning block, a 14-second cross beam, a 141-second positioning block, a 2-static load hydraulic cylinder, a 21-first displacement sensor, a 22-first tension and compression sensor, a 24-M300 compression bolt, a 25-M200 compression bolt, a 3-anti-torsion device, a 31-rotating shaft, a 32-roller, a 33-flange, a 34-track, a 4-positioning car, a 41-positioning car support, a 42-positioning car roller, a 43-positioning car track, a 44-positioning car gear, a 45-positioning car rack, a 46-positioning car synchronous shaft, a 47-positioning car servo motor, a 48-positioning car gear lifting hydraulic cylinder and a 49-positioning car stop block, the device comprises a 5-static loading tested piece, a 6-dynamic loading bench, a 61-top plate, a 62-bottom plate, a 63-upright post, a 64-supporting rod, a 7-dynamic loading hydraulic cylinder, a 71-second displacement sensor, a 72-second pulling and pressing sensor, an 8-dynamic loading tested piece, a 9-mechanical arm fixing frame, a 91-mechanical arm fixing frame hydraulic cylinder, a 92-mechanical arm fixing frame lifting and blocking barrel fixing plate, a 93-mechanical arm fixing frame lifting and blocking cylinder rod, a 94-mechanical arm fixing frame lifting and blocking cylinder rod lifting block, a 95-mechanical arm fixing frame mushroom-shaped track mechanism, a 10-dynamic loading tested piece feeding mechanical arm mechanism, a 101-mechanical arm belt track first end plate, a 102-mechanical arm and a 103-mechanical arm second end plate, 104-manipulator second side, 105-first manipulator guide rail, 106-manipulator hydraulic cylinder rod lifting block, 107-manipulator hydraulic cylinder rod, 108-manipulator material detection lamp, 109-second manipulator guide rail, 110-manipulator first side, 111-manipulator manual opening and closing button, 112-manipulator hydraulic cylinder, 121-positioning vehicle lifting and blocking barrel, 122-M16 inner hexagon bolt X60, 123-positioning vehicle lifting and blocking cylinder rod, 124-positioning vehicle lifting and blocking cylinder rod lifting block, 125-positioning vehicle lifting and blocking cylinder rod flange and 126-M20 inner hexagon bolt X70.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
The invention discloses a dynamic and static loading comprehensive test bed for a damping damper, which is shown in fig. 1, and comprises a static loading rack 1, a static loading hydraulic cylinder 2, an anti-torsion device 3, a positioning vehicle 4, a static loading tested piece 5, a dynamic loading rack 6, a dynamic loading hydraulic cylinder 7, a dynamic loading tested piece 8, a mechanical arm fixing rack mechanism 9 and a dynamic loading tested piece feeding mechanical arm mechanism 10, wherein the static loading hydraulic cylinder 2 is arranged on a first supporting beam 11 of the static loading rack 1, the anti-torsion device 3 is arranged on the static loading rack 1, the positioning vehicle 4 is slidably arranged on the static loading rack 1, the static loading tested piece 5 is arranged between the anti-torsion device 3 and the positioning vehicle 4, the dynamic loading rack 6 is arranged on the static loading rack 1, the dynamic loading hydraulic cylinder 7 is arranged at the lower part of a second supporting beam 12 of the static loading rack 1, the first end of the dynamic loading hydraulic cylinder 7 is connected with the dynamic loading rack 6, the first end of the mechanical arm fixing rack mechanism 9 is fixedly arranged in the dynamic loading rack 6 when the dynamic loading tested piece 8 is loaded, and the second end 49 of the mechanical arm fixing rack mechanism is fixedly arranged on the positioning vehicle 4, and the second end 49 of the mechanical arm fixing rack mechanism is fixedly connected with the mechanical arm fixing mechanism 10.
As an embodiment of the present invention, the static loading rack 1 is shown in fig. 2, and specifically includes a first support beam 11, a second support beam 12, a first beam 13 and a second beam 14, wherein first ends of the first beam 13 and the second beam 14 are fixedly connected to the first support beam 11, second ends of the first beam 13 and the second beam 14 are fixedly connected to the second support beam 12, and through holes are provided on the first support beam 11; a plurality of first positioning blocks 131 are arranged on one side surface of the first beam 13 opposite to the second beam 14, a plurality of second positioning blocks 141 are arranged on one side surface of the second beam 14 opposite to the first beam 13, the first positioning blocks 131 and the second positioning blocks 141 are the same in number and opposite in position, and the distance between any two first positioning blocks 131 is equal to the width of the positioning vehicle stop block 49 so as to fix the positioning vehicle 4; each first positioning block 131 and each second positioning block 141 comprise fixed stop blocks, two stop block transition plates and M10 inner hexagon bolts, and the stop block transition plates are made of aluminum alloy materials, so that the positioning vehicle stop blocks 49 of the positioning vehicle 4 are smoother and more wear-resistant, and are beneficial to smoothly rising and falling between the fixed stop blocks.
As an embodiment of the present invention, see fig. 3 and 13 for a structural view of the static hydraulic cylinder 2, specifically, the static hydraulic cylinder passes through a through hole provided on the first support beam 11 and is fixed, a first displacement sensor 21 is fixedly installed at a first end of a cylinder rod of the static hydraulic cylinder 2, a first tension and compression sensor 22 is fixedly installed at a second end of the cylinder rod of the static hydraulic cylinder 2, an M300 compression bolt 24 is additionally installed at a terminal of the static hydraulic cylinder 2 and is used for tightly connecting with the anti-torsion device 3, an M200 compression bolt 25 and an M300 compression bolt 24 are respectively disposed at two ends of the first tension and compression sensor 22 and fix the same, a first end of the M200 compression bolt 25 is connected with the cylinder rod 23 of the static hydraulic cylinder 2, a second end of the M200 compression bolt 25 is connected with the first tension and compression sensor 22, a first end of the M300 compression bolt 24 is connected with the first tension and compression sensor 22, and a second end of the M300 compression bolt 24 is connected with the anti-torsion device
3, the first end surface of the first pulling and pressing sensor 22 is connected with the cylinder rod 23 of the static load hydraulic cylinder 2, and the second end surface of the first pulling and pressing sensor 22 is connected with the first end surface of the flange 33 of the torsion preventing device 3.
As an embodiment of the present invention, the structure of the torsion preventing device 3 is shown in fig. 4 and 13, specifically, the torsion preventing device comprises a rotating shaft 31, a roller 32, a flange 33 and a track 34, the rotating shaft 31 penetrates through the flange 33, the roller 32 is fixedly installed at both ends of the rotating shaft 31, the roller 32 slides along the track 34, the two tracks 34 are respectively installed on the first beam 13 and the second beam 14, a groove formed at a first end face of the torsion preventing device 3 is connected with an M300 compression bolt 24 at the end of a cylinder rod 23 of the static load hydraulic cylinder 2, and a second end face of the torsion preventing device 3 is connected with the static load test piece 5. The first end face of the anti-torsion device 3 is connected with a first tension-compression sensor 22 fixedly arranged at the second end of a cylinder rod 23 of the static load hydraulic cylinder 3, the first end of the anti-torsion device 3 is simultaneously connected with the first tension-compression sensor 22 and an M300 compression bolt 24, a first end groove of a flange plate 33 of the anti-torsion device 3 is connected with the second end of the M300 compression bolt 24, the first end face of the flange plate 33 of the anti-torsion device 3 is connected with the second end face of the first tension-compression sensor 22, and the second end face of the anti-torsion device 3 is connected with a static load tested piece 5.
As an embodiment of the present invention, referring to fig. 5, specifically, the positioning vehicle 4 includes a positioning vehicle bracket 41, positioning vehicle rollers 42, a positioning vehicle rail 43, a positioning vehicle gear 44, a positioning vehicle rack 45, a positioning vehicle synchronizing shaft 46, a positioning vehicle servo motor 47, a positioning vehicle gear lifting hydraulic cylinder 48 and a positioning vehicle stop block 49, the positioning vehicle rollers 42 are installed at the bottom of the positioning vehicle bracket 41, the two positioning vehicle rails 43 are respectively and fixedly installed on the first beam 13 and the second beam 14, the positioning vehicle rollers 42 slide along the positioning vehicle rails 43, the positioning vehicle gears 44 are fixedly connected at both ends of the positioning vehicle synchronizing shaft 46, an output shaft of the positioning vehicle servo motor 47 is connected with one of the positioning vehicle gears 44, the positioning vehicle gear lifting hydraulic cylinder 48 is fixedly arranged on the positioning vehicle bracket 41, the terminal of the cylinder rod of the positioning vehicle gear lifting hydraulic cylinder 48 is abutted against the positioning vehicle stop block 49, preferably, the positioning vehicle gear lifting hydraulic cylinder 48 comprises a gear lifting barrel, an M16 inner hexagonal bolt X60, a gear lifting cylinder rod, an M20 inner hexagonal bolt X70, a gear lifting cylinder rod flange and a gear lifting cylinder rod lifting block, the gear lifting barrel is connected with the positioning vehicle bracket 41 through the M16 inner hexagonal bolt X60, the gear lifting cylinder rod is nested in the gear lifting barrel and can move up and down, the gear lifting cylinder rod flange is connected with the positioning vehicle stop block 49 through the M20 inner hexagonal bolt X70, the gear lifting cylinder rod lifting block is smaller than the gear lifting cylinder rod flange, and gaps are reserved between the gear lifting cylinder rod lifting block and the gear lifting cylinder rod flange up and down and left and right; the positioning vehicle stop block 49 comprises a movable baffle vertical plate, a movable baffle transverse plate, a movable stop block transition plate and an M10 inner hexagon bolt X25, the front end and the rear end of the positioning vehicle stop block 49 are wrapped by the movable baffle vertical plate, the left side and the right side of the positioning vehicle stop block 49 are wrapped by the movable baffle vertical plate, the top plate of the positioning vehicle stop block 49 is the movable baffle transverse plate, the bottom plate of the positioning vehicle stop block 49 is the movable baffle transverse plate, the movable baffle vertical plates at the front end and the rear end of the positioning vehicle stop block 49 are connected with the movable stop block transition plate through the M10 inner hexagon bolt X25, the movable stop block transition plate is made of aluminum alloy materials, and the positioning vehicle stop block 49 is smoother and more wear-resistant, and is favorable for smooth lifting and falling of the positioning vehicle stop block 4 between fixed stop blocks;
as an embodiment of the present invention, a first end of a static loading test piece 5 is connected to a flange plate of the anti-torsion device 3, and a second end of the static loading test piece 5 is connected to the positioning vehicle 4, specifically, see fig. 6;
as an embodiment of the present invention, the dynamic loading platform 6 is fixedly installed on the static loading platform 1, referring to fig. 7 specifically, the dynamic loading platform 6 includes a top plate 61 and a bottom plate 62, the top plate 61 and the bottom plate 62 are fixedly connected by upright posts 63, a support rod 64 is disposed on a side surface of each upright post 63, the support rod 64 is fixedly connected to the first beam 13 or the second beam 14, and the support rod fixedly connected to the first beam 13 and the support rod fixedly connected to the second beam 14 on the same side surface of the dynamic loading platform 6 are parallel to each other.
As an embodiment of the present invention, the dynamic load hydraulic cylinder 7 is fixedly installed on the bottom plate 62 of the dynamic load bench 6, referring to fig. 8, a first end of the cylinder rod of the dynamic load hydraulic cylinder 7 is fixedly installed with a second displacement sensor 71, and a second end of the cylinder rod of the dynamic load hydraulic cylinder 7 is fixedly installed with a second tension and compression sensor 72; the first end of the dynamic loading test piece 8 is fixedly connected with the top plate of the dynamic loading bench 6, the second end of the dynamic loading test piece 8 is fixedly connected with the bottom plate of the dynamic loading bench 6, see in particular fig. 9, preferably, the dynamic loading test piece 8 comprises an upper tool 81 at the first end of the dynamic loading test piece 8 and a lower tool 83 at the second end of the dynamic loading test piece 8, the upper tool 81 at the first end of the dynamic loading test piece 8 is fixedly connected with the top plate of the dynamic loading bench 6, and the lower tool 83 at the second end of the dynamic loading test piece 8 is fixedly connected with the bottom plate of the dynamic loading bench 6.
As an embodiment of the present invention, the mechanical arm fixing frame mechanism 9 includes a mechanical arm fixing frame hydraulic cylinder 91, a mechanical arm fixing frame lifting and blocking barrel fixing plate 92, a mechanical arm fixing frame lifting and blocking cylinder rod 93, a mechanical arm fixing frame lifting and blocking cylinder rod lifting block 94, and a mechanical arm fixing frame mushroom-shaped rail mechanism 95, specifically, referring to fig. 10, a first end of the mechanical arm fixing frame mushroom-shaped rail mechanism 95 is connected with a second side baffle of the positioning vehicle stop block 49, the mechanical arm fixing frame lifting and blocking barrel fixing plate 92 is connected with the mechanical arm fixing frame mushroom-shaped rail mechanism 95, the mechanical arm fixing frame hydraulic cylinder 91 is connected with the mechanical arm fixing frame lifting and blocking barrel fixing plate 92, the mechanical arm fixing frame lifting and blocking cylinder rod 93 is connected with the mechanical arm fixing frame lifting and blocking cylinder rod lifting block 94 is connected with the mechanical arm fixing frame lifting and blocking cylinder rod 93.
As an embodiment of the present invention, the dynamic loading device 10 for feeding a test piece is shown in fig. 11, and specifically includes a first end plate 101 with a rail, a mechanical arm 102, a second end plate 103 with a rail, a second side 104 with a rail, a first rail 105 with a rail, a lifting block 106 with a hydraulic cylinder, a hydraulic cylinder rod 107 with a material detecting lamp 108, a second rail 109 with a rail, a first side 110 with a rail, a manual opening and closing button 111 with a rail, and a hydraulic cylinder 112, the first end plate 101 with a rail is connected with the mushroom-shaped rail mechanism 95 with a rail, the first end plate 101 with a rail is connected with the lifting block 94 with a rail, the first end plate 101 with a rail is connected with the mechanical arm 102, the second end plate 103 with a rail is connected with the second end plate 103, the second end plate 103 with a rail is connected with the first side 110, the first side 110 of the manipulator is fixed on the second end plate 103 of the manipulator, a manual opening and closing button 111 of the manipulator is fixed on the first side 110 of the manipulator, a hydraulic cylinder 112 of the manipulator is fixed on the first side 110 of the manipulator, the hydraulic cylinder 112 of the manipulator is connected with a hydraulic cylinder rod 107, the hydraulic cylinder rod 107 is connected with a hydraulic cylinder rod lifting block 106 of the manipulator, the hydraulic cylinder rod lifting block 106 of the manipulator is connected with a second side 104 of the manipulator, a material detection lamp 108 of the manipulator is fixed on the first side 110 of the manipulator, the manipulator is divided into a first side and a second side, the first side 110 of the manipulator is fixed, the second side 104 of the manipulator can move, the hydraulic cylinder 112 of the manipulator is fixed on the first side 110 of the manipulator, the first side 110 of the manipulator is connected with the manipulator 102 through a fixed bolt, the first manipulator guide rail 105 and the second manipulator guide rail 109 are arranged in parallel with the hydraulic cylinder rod 107 of the manipulator, the manipulator hydraulic cylinder rod 107 is connected to the manipulator second side 104, and the manipulator second side 104 is movable along the manipulator hydraulic cylinder rod 107 under the drive of the manipulator hydraulic cylinder 112, and the manipulator hydraulic cylinder 112, the first manipulator rail 105 and the second manipulator rail 109 are fixed inside the manipulator first side 110.
As a preferred embodiment of the invention, the positioning vehicle gear lifting hydraulic cylinder 48 comprises a positioning vehicle gear lifting barrel 121, an M16 inner hexagon bolt X60122, a positioning vehicle gear lifting cylinder rod 123, a positioning vehicle gear lifting cylinder rod lifting block 124, a positioning vehicle gear lifting cylinder rod flange 125 and an M20 inner hexagon bolt X70126, wherein the positioning vehicle gear lifting barrel 121 in the positioning vehicle gear lifting hydraulic cylinder 48 is connected with the positioning vehicle bracket 41 through the M16 inner hexagon bolt X60122, the positioning vehicle gear lifting barrel 121 is connected with the positioning vehicle gear lifting cylinder rod 123, the positioning vehicle gear lifting cylinder rod 123 is connected with the positioning vehicle gear lifting cylinder rod lifting block 124, the positioning vehicle gear lifting cylinder rod flange 125 is connected with the positioning vehicle stop block 49 through the M20 inner hexagon bolt X70126, the positioning vehicle gear lifting cylinder rod lifting block 124 is not directly connected with the positioning vehicle gear lifting cylinder rod flange 125, the diameter and the thickness of the positioning vehicle gear lifting cylinder rod lifting block 124 are smaller than those of the positioning vehicle gear lifting cylinder rod flange 125, and the pulling pressure born by the positioning vehicle stop block 49 in the loading process can not be transmitted to the positioning vehicle gear lifting cylinder 48, and the positioning vehicle gear lifting cylinder rod 123 is prevented from bending;
as a preferred embodiment of the present invention, the bottoms of the first and second beams 13 and 14 are provided with seats so that the static loading gantry 1 can be stably fixed on the ground with a foundation.
The working process of static loading test by utilizing the dynamic and static loading comprehensive test bed of the shock absorption damper disclosed by the invention comprises the following steps:
when the length of the tested static tested piece is within the positioning range of the positioning car, inputting a length value of the static loading tested piece 5 to the system, receiving position adjustment information output by the system by the positioning car 4, determining the correct working position of an automatic stop block of the positioning car 4, fixing the mechanical arm fixing frame mechanism 9 and the dynamic loading by the test piece feeding mechanical arm mechanism 10 on the second end face of the positioning car stop block 49 of the positioning car 4, moving along with the positioning car stop block 49 of the positioning car 4, retracting a cylinder rod of a positioning car lifting hydraulic cylinder 48 at the upper part of the positioning car 4 upwards, lifting the positioning car stop block 49, and automatically stopping shrinking the cylinder rod of the positioning car lifting hydraulic cylinder 48 after the bottom of the positioning car stop block 49 is higher than the top of a first positioning block 131 arranged on the first cross beam 13; the positioning vehicle servo motor 47 rotates, the positioning vehicle servo motor 47 drives the positioning vehicle gear 44 connected with the positioning vehicle servo motor to rotate, then the positioning vehicle gear 44 drives the positioning vehicle synchronizing shaft 46 to rotate, and the positioning vehicle synchronizing shaft 46 drives the other end to rotate, so that the positioning vehicle gear 44 rotates together and realizes synchronous rotation; the positioning vehicle roller 42 rotates together with the positioning vehicle 4 on 2 positioning vehicle racks 45 on 2 positioning vehicle tracks 43, drives the whole positioning vehicle 4 to move left and right on the static loading rack 1, automatically stops rotating the positioning vehicle servo motor 47 after reaching the next station, slowly puts down the positioning vehicle stop block 49 on the upper positioning vehicle lifting hydraulic cylinder 48, and puts the positioning vehicle stop block 49 between the corresponding first positioning block 131 and second positioning block 142, and the positioning vehicle lifting hydraulic cylinder 48 stops rotating to finish the gear adjustment of the positioning vehicle 4; the right end of the static loading tested piece 5 is connected with a positioning vehicle stop block 49, the anti-torsion device flange 33 moves left and right under the control of the static loading hydraulic cylinder 2, and the anti-torsion device flange 33 is connected with the right end of the static loading tested piece 5; the first tension and compression sensor 22 arranged on the static load hydraulic cylinder 2 transmits tension and compression data to the PC for recording, and the first displacement sensor 21 arranged on the static load hydraulic cylinder transmits displacement data to the PC for recording;
the dynamic loading test working process by utilizing the dynamic and static loading comprehensive test bed of the shock absorption damper disclosed by the invention comprises the following steps: the first end of the dynamic loading tested piece 8 is connected to the dynamic loading rack top plate 61, and the second end of the dynamic loading tested piece 8 is connected to the dynamic loading rack bottom plate 62; the second cylinder tension and compression sensor 72 arranged on the dynamic load hydraulic cylinder 7 transmits tension and compression data to the PC for recording, and the second displacement sensor 71 arranged on the dynamic load hydraulic cylinder transmits displacement data to the PC for recording:
the working process of the invention for carrying out ultra-long static loading test by utilizing the dynamic and static loading comprehensive test bed of the shock absorption damper comprises the following steps: when the static loading test piece exceeds the positioning range of the positioning vehicle, the system inputs the length value of the static loading test piece 5, the positioning vehicle 4 receives position adjustment information output by the system, the mechanical arm fixing frame mechanism 9 and the dynamic loading test piece feeding mechanical arm mechanism 10 are fixed on the second end face of the positioning vehicle stop block 49 of the positioning vehicle 4 and move along with the positioning vehicle stop block 49 of the positioning vehicle 4, the cylinder rod of the positioning vehicle lifting hydraulic cylinder 48 on the upper part of the positioning vehicle 4 is retracted upwards to lift the positioning vehicle stop block 49, when the bottom of the positioning vehicle stop block 49 is higher than the top of the first positioning block 131 and reaches a set position, the cylinder rod of the positioning vehicle lifting hydraulic cylinder 48 automatically stops shrinking, after the experiment is finished, the positioning vehicle lifting hydraulic cylinder 48 on the upper part of the positioning vehicle slowly drops down to the position between the original first positioning block 131 and the second positioning block 141, the positioning vehicle lifting hydraulic cylinder 48 stops rotating, and is restored to a state before the experiment; connecting a first end of a static loading tested piece 5 with the torsion preventing device flange 33, and connecting a second end of the static loading tested piece 5 with the positioning vehicle stop block 49; the first tension and compression sensor 22 arranged on the static load hydraulic cylinder 2 transmits tension and compression data to the PC for recording, and the first displacement sensor 21 arranged on the static load hydraulic cylinder transmits displacement data to the PC for recording.
According to the dynamic and static loading comprehensive test bed for the damping damper, disclosed by the invention, the dynamic loading test bed and the static loading test bed are integrated, so that design materials are greatly saved, occupied space is effectively saved, and the dynamic and static loading comprehensive test bed can realize the installation and loading of static loading test pieces with different lengths by adopting a positioning vehicle to automatically position and adjust.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above examples are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solution of the present invention should fall within the scope of protection defined by the claims of the present invention without departing from the spirit of the design of the present invention.
Claims (2)
1. A vibration damper dynamic and static loading comprehensive test bed is characterized by comprising a static loading rack (1), a static loading hydraulic cylinder (2), an anti-torsion device (3), a positioning vehicle (4), a static loading tested piece (5), a dynamic loading rack (6), a dynamic loading hydraulic cylinder (7), a dynamic loading tested piece (8), a mechanical arm fixing rack mechanism (9) and a dynamic loading tested piece feeding mechanical arm mechanism (10), wherein the static loading hydraulic cylinder (2) is fixedly arranged on the static loading rack (1), the anti-torsion device (3) is slidably arranged on the static loading rack (1), the positioning vehicle (4) is slidably arranged on the static loading rack (1), the static loading tested piece (5) is arranged between the anti-torsion device (3) and the positioning vehicle (4) when being loaded, the dynamic loading rack (6) is fixedly arranged on the static loading rack (1), the dynamic loading hydraulic cylinder (7) is arranged at the lower part of the static loading rack (1) and the first end of the dynamic loading hydraulic cylinder (7) is connected with the dynamic loading rack (6), the dynamic loading rack (8) is arranged in the dynamic loading rack mechanism (6) when being loaded, the dynamic loading rack (8) is arranged at the first end of the mechanical arm fixing rack (9) when being fixedly arranged on the mechanical arm (4), the dynamic loading mechanical arm mechanism (10) for feeding the tested piece is connected with the mechanical arm fixing frame mechanism (9);
the static loading rack (1) comprises a first supporting beam (11), a second supporting beam (12), a first cross beam (13) and a second cross beam (14), wherein first ends of the first cross beam (13) and the second cross beam (14) are fixedly connected with the first supporting beam (11), second ends of the first cross beam (13) and the second cross beam (14) are fixedly connected with the second supporting beam (12), and through holes (111) are formed in the first supporting beam (11); a plurality of first positioning blocks (131) are arranged on one side surface of the first cross beam (13) opposite to the second cross beam (14), a plurality of second positioning blocks (141) are arranged on one side surface of the second cross beam (14) opposite to the first cross beam (13), and the first positioning blocks (131) and the second positioning blocks (141) are the same in number and opposite in position;
the static load hydraulic cylinder (2) passes through a through hole (111) arranged on the first supporting beam (11) and is fixed, a first displacement sensor (21) is fixedly arranged at the first end of the static load hydraulic cylinder (2), a first tension and compression sensor (22) is fixedly arranged at the second end of a cylinder rod of the static load hydraulic cylinder (2), the cylinder rod (23) of the static load hydraulic cylinder (2) is arranged between the first displacement sensor (21) fixedly arranged at the first end and the first tension and compression sensor (22) fixedly arranged at the second end, the terminal of the static load hydraulic cylinder (2) is tightly connected with the anti-torsion device (3) through an M300 compression bolt (24), an M200 compression bolt (25) and an M300 compression bolt (24) are respectively arranged at two ends of the first tension and compression sensor (22), the first end of the M200 compression bolt (25) is connected with the cylinder rod (23) of the static load hydraulic cylinder (2), the second end of the M200 compression bolt (25) is connected with the first tension and compression sensor (22), the terminal of the M300 compression bolt (24) is connected with the first tension and compression sensor (22) at the first end of the anti-torsion device (33), the second end face of the first tension and compression sensor (22) is connected with the first end face of a flange plate (33) of the anti-torsion device (3);
the first end of the torsion preventing device (3) is slidably mounted on the first cross beam (13), the second end of the torsion preventing device (3) is slidably mounted on the second cross beam (14), the torsion preventing device (3) comprises a rotating shaft (31), rollers (32), a flange plate (33) and a track (34), the rotating shaft (31) penetrates through the flange plate (33), the rollers (32) are fixedly mounted at two ends of the rotating shaft (31), the rollers (32) slide along the track (34), and the two tracks (34) are respectively mounted on the first cross beam (13) and the second cross beam (14); the first end face of the anti-torsion device (3) is connected with a first tension-compression sensor (22) fixedly arranged at the second end of a cylinder rod (23) of the static load hydraulic cylinder (2), the first end of the anti-torsion device (3) is simultaneously connected with the first tension-compression sensor (22) and an M300 compression bolt (24), a groove at the first end of a flange plate (33) of the anti-torsion device (3) is connected with the second end of the M300 compression bolt (24), the end face of the first end face of the flange plate (33) of the anti-torsion device (3) is connected with the second end face of the first tension-compression sensor (22), and the second end face of the anti-torsion device (3) is connected with a static loading test piece (5);
the positioning vehicle (4) comprises a positioning vehicle bracket (41), positioning vehicle idler wheels (42), positioning vehicle rails (43), positioning vehicle gears (44), positioning vehicle racks (45), positioning vehicle synchronous shafts (46), positioning vehicle servo motors (47), positioning vehicle gear lifting hydraulic cylinders (48) and positioning vehicle stop blocks (49), the sliding distance of the positioning vehicle (4) is equal to the distance from a first positioning block to a last first positioning block, the positioning vehicle idler wheels (42) are mounted at the bottom of the positioning vehicle bracket (41), the two positioning vehicle rails (43) are fixedly mounted on the first cross beam (13) and the second cross beam (14) respectively, the positioning vehicle idler wheels (42) slide along the positioning vehicle rails (43), two ends of each positioning vehicle synchronous shaft (46) are fixedly connected with one positioning vehicle gear (44), the output shafts of the positioning vehicle servo motors (47) are connected with one positioning vehicle gear (44), the positioning vehicle gear lifting hydraulic cylinders (48) are fixedly mounted on the positioning vehicle bracket (41), and the terminals of the positioning vehicle gear lifting hydraulic cylinders (48) cylinder rods abut against the positioning vehicle stop blocks (49);
the dynamic loading rack (6) is fixedly arranged on the static loading rack (1), the dynamic loading rack (6) comprises a top plate (61) and a bottom plate (62), the top plate (61) and the bottom plate (62) are fixedly connected through upright posts (63), a supporting rod (64) is arranged on the side face of each upright post (63), the supporting rods (64) are fixedly connected with the first cross beam (13) or the second cross beam (14), and the supporting rods fixedly connected with the first cross beam (13) and the supporting rods fixedly connected with the second cross beam (14) on the same side face of the dynamic loading rack (6) are parallel to each other;
the dynamic loading hydraulic cylinder (7) is fixedly arranged on a bottom plate (62) of the dynamic loading rack (6), a second displacement sensor (71) is fixedly arranged at the first end of a cylinder rod of the dynamic loading hydraulic cylinder (7), and a second pulling and pressing sensor (72) is fixedly arranged at the second end of the cylinder rod of the dynamic loading hydraulic cylinder (7);
the dynamic loading test piece (8) comprises a first end upper tool (81) of the dynamic loading test piece (8) and a second end lower tool (83) of the dynamic loading test piece (8), wherein the first end upper tool (81) of the dynamic loading test piece (8) is fixedly connected with a top plate of the dynamic loading bench (6), and the second end lower tool (83) of the dynamic loading test piece (8) is fixedly connected with a bottom plate of the dynamic loading bench (6);
the dynamic loading is carried out by a test piece feeding mechanical arm mechanism (10) and comprises a mechanical arm belt track first end plate (101), a mechanical arm (102), a mechanical arm second end plate (103), a mechanical arm second side (104), a first mechanical arm guide rail (105), a mechanical arm hydraulic cylinder rod lifting block (106), a mechanical arm hydraulic cylinder rod (107), a mechanical arm material detection lamp (108), a second mechanical arm guide rail (109), a mechanical arm first side (110), a mechanical arm manual opening and closing button (111) and a mechanical arm hydraulic cylinder (112), the mechanical arm belt track first end plate (101) is connected with the mechanical arm (102), the mechanical arm (102) is connected with the mechanical arm second end plate (103), the mechanical arm second end plate (103) is connected with the mechanical arm first side (110), the mechanical arm first side (110) is fixed on the mechanical arm second end plate (103), the mechanical arm manual opening and closing button (111) is fixed on the mechanical arm first side (110), the mechanical arm first side (110) is fixed with the mechanical arm hydraulic cylinder rod (106), the mechanical arm hydraulic cylinder (106) is connected with the mechanical arm hydraulic cylinder first side (110), the mechanical arm hydraulic cylinder rod (106) is connected with the mechanical arm hydraulic cylinder (106), the manipulator material detection lamp (108) is fixed on the first side (110) of the manipulator; the manipulator first side (110) is fixed, the manipulator second side (104) is movable, the manipulator hydraulic cylinder (112) is fixed on the manipulator first side (110), the manipulator first side (110) is fixedly connected with the manipulator (102), the first manipulator guide rail (105) and the second manipulator guide rail (109) are all placed in parallel with the manipulator hydraulic cylinder rod (107), the manipulator hydraulic cylinder rod (107) is connected with the manipulator second side (104), the manipulator second side (104) is driven by the manipulator hydraulic cylinder (112) to move along the manipulator hydraulic cylinder rod (107), and the manipulator hydraulic cylinder (112) is fixed inside the manipulator first side (110) together with the second manipulator guide rail (109).
2. The dynamic and static loading comprehensive test bed of the shock absorber damper according to claim 1, wherein bases are arranged at the bottoms of the first beam (13) and the second beam (14).
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| CN204439340U (en) * | 2015-03-11 | 2015-07-01 | 常州鼎吉能源工程技术有限公司 | Hydraulic damper static properties testing table |
| CN206208678U (en) * | 2016-09-20 | 2017-05-31 | 天津航天瑞莱科技有限公司 | A kind of fatigue experimental device of beam |
| CN106840892B (en) * | 2017-03-20 | 2019-09-27 | 中国矿业大学 | A kind of vertical sound loading tester of coal petrography sample true triaxial |
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| CN110160780A (en) * | 2019-06-20 | 2019-08-23 | 山东理工大学 | A kind of sound state vertical loading device for Electric Motor Wheel property test platform |
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