CN212007781U - Static load experiment platform for jack - Google Patents
Static load experiment platform for jack Download PDFInfo
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- CN212007781U CN212007781U CN202020961207.6U CN202020961207U CN212007781U CN 212007781 U CN212007781 U CN 212007781U CN 202020961207 U CN202020961207 U CN 202020961207U CN 212007781 U CN212007781 U CN 212007781U
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- jack
- platform
- sliding block
- static load
- material carrying
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Abstract
The utility model discloses a jack static load experiment platform, which comprises a workbench, a material loading platform, a jack, a heavy object block, a first slider and a lifting mechanism for driving the first slider to move, wherein the top surface of the material loading platform is also provided with a limit strip, the bottom of the material loading platform is provided with a combination mechanism, the jack is arranged at the bottom of the material loading platform, the heavy object block is in a ring shape, the center of the first slider is provided with a through groove for the jack to pass and a bearing mechanism, the bearing mechanism comprises two bearing plates and a driving unit, the front sides of the bearing plates are connected with the driving unit, the rear sides of the bearing plates are in sliding connection with the first slider, the sides of the two bearing plates close to each other are provided with semicircular step grooves matched with the material loading platform, the bearing plates are also provided with pressure sensors, the right side of the lifting mechanism is also provided with a measuring mechanism, the material loading platform is used for placing the heavy object block, the, after a certain time is measured, the distance of the movable rod of the jack descends.
Description
Technical Field
The utility model relates to a jack field, in particular to jack static load experiment platform.
Background
The jack is mainly used for the departments of factories, mines, transportation and the like as the work of vehicle repair, other hoisting, supporting and the like, has a light and firm structure, is flexible and reliable, and can be carried and operated by one person.
The static load experiment of the jack is to place a heavy object with set quality on the movable rod of the jack, record the position of the movable rod of the jack at the beginning, then wait for a certain time later, go to record another position of the movable rod of the jack again, through twice positions, the distance that the movable rod of the jack moved down through a certain time under a certain pressure, compare with the standard vertebra, whether the jack static load that reachs and measurations is qualified.
At present, a platform specially used for the static load experiment is lacked, so that the operation is inconvenient during the experiment, and errors are easy to generate.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a jack static load experiment platform has convenient operation, reduces advantages such as experimental error.
The above technical purpose of the present invention can be achieved by the following technical solutions:
a jack static load experiment platform comprises a workbench, a material carrying platform, a jack, a weight block, a first sliding block and a lifting mechanism for driving the first sliding block to move, wherein the material carrying platform is circular, a circular groove is formed in the top of the material carrying platform, a limiting strip is further arranged on the top surface of the circular groove, a combination mechanism matched with different jack rod diameters in a certain range is arranged at the bottom of the material carrying platform, the jack is arranged at the bottom of the material carrying platform, the weight block is circular, the outer diameter of the weight block is matched with the circular groove, the first sliding block is square, a through groove for the jack to penetrate through is formed in the center of the first sliding block, a bearing mechanism for bearing the material carrying platform is further arranged in the center of the first sliding block, the bearing mechanism comprises two bearing plates and a driving unit for driving the two bearing plate objects to move, the driving unit is connected to the front side of the bearing plates, and the rear side of the first sliding block is connected with the sliding block, the side surfaces of the two bearing plates close to each other are provided with semicircular step grooves matched with the material carrying platform, the bearing plates are further provided with pressure sensors, and the right side of the lifting mechanism is further provided with a measuring mechanism.
By adopting the technical scheme, initially, the two bearing plates are attached, the material carrying platform is placed on the semicircular stepped groove after being placed with a proper weight block, the jack is placed on the workbench and is positioned under the bearing plates, the lifting mechanism drives the sliding block to descend, the material carrying platform then descends, when the three-jaw chuck at the bottom of the material carrying platform is contacted with the rod of the jack, the material carrying platform stops moving downwards, but the two bearing plates continue to move downwards for a section, the bearing plates are also provided with the pressure sensors, when the numerical value of the pressure sensors is reset to zero, the lifting mechanism stops, the three-jaw chuck is matched with the rod of the jack by the inner hexagon, the driving unit drives the two bearing plates to be away from each other, the bearing plates are not contacted with the jack, the bearing plates are kept still for a section of time, the distance is obtained by the measuring mechanism, and after a certain time, the rod of.
Preferably, the measuring mechanism comprises a vertical rod, a second sliding block and a connecting portion, the second sliding block is connected with the vertical rod in a sliding mode, scales are marked on the vertical rod, one end of the connecting portion is fixedly connected with the second sliding block, and the other end of the connecting portion is detachably connected with the material carrying platform.
By adopting the technical scheme, the material loading platform moves, and the second sliding block is driven by the connecting part to move on the vertical rod. The vertical rod is marked with scales, so that the reading is convenient.
Preferably, the driving unit comprises a shell, a two-way screw and a motor I, the two-way screw comprises a first threaded part, a second threaded part and a connecting part, the two ends of the two-way screw are rotatably connected with the shell, one end of the two-way screw penetrates out of the shell, the motor I and the two-way screw penetrate out of one end of the shell and are fixedly connected, a partition plate is arranged in the middle of the shell, protruding parts are arranged on the left sides of the two bearing plates and are respectively located on the two sides of the partition plate, and the two protruding parts are respectively provided with thread through holes matched with the two threaded parts.
By adopting the technical scheme, the motor rotates to drive the two bearing plates to move oppositely.
Preferably, the lifting mechanism comprises four guide rods and two hydraulic cylinders, the four guide rods are fixedly connected with the workbench, through holes matched with the four guide rods are formed in four corners of the first sliding block, and the two hydraulic cylinders are fixedly connected with two sides of the bottom of the first sliding block.
By adopting the technical scheme, the hydraulic cylinder drives the first sliding block to ascend and descend.
Preferably, the combining mechanism is a three-jaw chuck, the jaws of the three-jaw chuck face downwards, the three-jaw chuck is fixedly connected with the bottom of the material loading platform, and the three-jaw chuck is provided with an adjusting port.
By adopting the technical scheme, the three-jaw chuck can be matched with a jack within a certain range.
Preferably, when the value of the pressure sensor on the bearing plate is zero, the hydraulic cylinder is paused for a period of time and then moves downwards.
By adopting the technical scheme, when the numerical value of the pressure sensor returns to zero, the lifting mechanism is suspended, and the three-jaw chuck is matched with the rod of the jack by using the inner hexagon in the time of the suspended end.
Preferably, a stopwatch is further arranged on the workbench.
By adopting the technical scheme, the pressed time of the jack can be conveniently observed.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment;
FIG. 2 is a schematic view of an embodiment of a load bearing mechanism.
Reference numerals: 1. a work table; 2. a material loading platform; 21. a circular groove; 22. a limiting strip; 3. a jack; 4. a heavy material block; 5. a first sliding block; 51. a through groove; 52. a groove; 6. a carrying mechanism; 61. a carrier plate; 611. a semicircular step groove; 612. a protrusion; 613. a protruding portion; 62. a drive unit; 621. a housing; 622. a bidirectional screw; 623. a first motor; 7. a measuring mechanism; 71. a vertical rod; 72. a second sliding block; 73. a connecting portion; 8. a guide bar; 9. a hydraulic cylinder; 10. a three-jaw chuck.
Detailed Description
The following is only the preferred embodiment of the present invention, the protection scope is not limited to this embodiment, and all technical solutions belonging to the idea of the present invention should belong to the protection scope of the present invention. It should also be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and such modifications and decorations should also be regarded as the protection scope of the present invention.
As shown in fig. 1 and 2, a jack static load experiment platform comprises a workbench 1, a material carrying platform 2, a jack 3, a weight block 4, a slider one 5 and a lifting mechanism for driving the slider one 5 to move, wherein the material carrying platform 2 is circular, a circular groove 21 is arranged at the top of the material carrying platform 2, the weight block 4 is circular (convenient to take), the outer diameter of the weight block 4 is matched with the circular groove 21, three limit strips 22 are arranged at intervals on the top surface of the circular groove 21, so that different numbers of weight blocks 4 can be placed on the material carrying platform 2 according to different load requirements, a combination mechanism matched with the rod diameters of different jacks 3 in a certain range is arranged at the bottom of the material carrying platform 2, the combination mechanism is a three-jaw chuck 10, the jaws of the three-jaw chuck 10 face downwards, the three-jaw chuck 10 and the bottom of the material carrying platform 2 are welded and fixed, and the center of the three-jaw chuck 10 and the center of the material carrying platform 2 coincide in the overlooking direction, the three-jaw chuck 10 is provided with an adjusting opening, an inner hexagon is inserted into the adjusting opening, and the three clamping jaws are driven to move simultaneously after rotation, so that the three-jaw chuck is suitable for different jack 3 rod diameters within a certain range.
The first sliding block 5 is square, the center of the first sliding block 5 is provided with a through groove 51 for the jack 3 to pass through, the center of the first sliding block 5 is further provided with a bearing mechanism 6 for bearing the material loading platform 2, the bearing mechanism 6 comprises two bearing plates 61 and a driving unit 62 for driving the two bearing plates 61 to move, the left side of the bearing plate 61 is connected with the driving unit 62, the rear side of the bearing plate 61 is provided with a protrusion 612, the corresponding position of the first sliding block 5 is provided with a groove 52, the driving unit 62 comprises a shell 621, a two-way screw 622 and a motor one 623, the two-way screw 622 comprises a first thread part, a second thread part and a connecting part 73, two ends of the shell 621 are provided with bearings, two ends of the two-way screw 622 are rotatably connected with the shell 621, one end of the two-way screw 622 penetrates through the shell 621, an output shaft of the motor one 623 and one end of the, the two protruding parts 613 are respectively provided with a threaded through hole matched with the two threaded parts, the side surfaces of the two bearing plates 61 close to each other are provided with semicircular stepped grooves 611 matched with the material loading table 2, so that the driving unit 62 drives the two bearing plates 61 to be close to each other, and after the two bearing plates 61 are attached, the two semicircular stepped grooves 611 form a circular stepped groove matched with the material loading table 2, so that the material loading table 2 is placed in the stepped groove.
The lifting mechanism comprises four guide rods 8 and two hydraulic cylinders 9, the four guide rods 8 are fixedly connected with the workbench 1, through holes matched with the four guide rods 8 are formed in four corners of the first sliding block 5, the telescopic rods of the two hydraulic cylinders 9 are fixedly connected with the left side and the right side of the bottom of the first sliding block 5, the hydraulic cylinders 9 are fixedly connected with the workbench 1, and the two hydraulic cylinders 9 are located between the corresponding two guide rods 8.
Elevating system's right side still is equipped with measuring mechanism 7, measuring mechanism 7 includes vertical pole 71, two 72 and connecting portion 73 of slider, two 72 of slider are ring shape, and two 72 and vertical pole 71 sliding connection of slider, mark on the vertical pole 71 the scale, vertical pole 71 bottom and workstation 1 fixed connection, connecting portion 73 one end and two 72 welded fastening of slider, the connecting portion 73 other end is equipped with the through-hole, be equipped with corresponding screw hole on the top surface of year material platform 2, pass behind connecting portion 73 through the bolt, with the screw hole cooperation, realize connecting portion 73 and the connection of year material platform 2, when carrying material platform 2 to remove like this, will drive two 72 of slider and remove on vertical pole 71, connecting portion 73 is equipped with and carries material platform 2 cylinder side complex connection piece, be equipped with the through-hole on the connection piece, be equipped with the complex screw hole on the cylinder side of year material platform 2.
Initially, two bearing plates 61 are attached, a proper weight block 4 is placed on the material carrying platform 2, the material carrying platform 2 is placed on the semicircular stepped groove 611, the jack 3 is placed on the workbench 1 and is positioned under the bearing plates 61, the lifting mechanism drives the first slider 5 to descend, the material carrying platform 2 descends, when the three-jaw chuck 10 at the bottom of the material carrying platform 2 contacts with the rod of the jack 3, the material carrying platform 2 stops moving downwards, but the two bearing plates 61 move downwards for a section continuously, the bearing plates 61 are also provided with pressure sensors, when the numerical values of the pressure sensors return to zero, the lifting mechanism stops, the three-jaw chuck 10 is matched with the rod of the jack 3 by using an inner hexagon, the reading on the vertical rod 71 is recorded, the driving unit 62 drives the two bearing plates 61 to be away from each other, so that the bearing plates 61 do not contact with the jack 3, the work platform is kept still for a period of time, the work platform 1 is also provided with a stopwatch (the stopwatch is not, after the standing time has been reached, the reading on the vertical rod 71 is again recorded, so that the distance by which the rod of the jack 3 has moved downwards after a certain time under a certain load can be determined.
Claims (7)
1. The jack static load experiment platform is characterized by comprising a workbench (1), a material carrying platform (2), a jack (3), a heavy object block (4), a first sliding block (5) and a lifting mechanism for driving the first sliding block (5) to move, wherein the material carrying platform (2) is circular, a circular groove (21) is formed in the top of the material carrying platform (2), a limiting strip (22) is further arranged on the top surface of the circular groove (21), a combination mechanism matched with rod diameters of different jacks (3) in a certain range is arranged at the bottom of the material carrying platform (2), the jack (3) is arranged at the bottom of the material carrying platform (2), the heavy object block (4) is circular, the outer diameter of the heavy object block (4) is matched with the circular groove (21), the first sliding block (5) is square, a through groove (51) for the jack (3) to penetrate through is formed in the center of the first sliding block (5), and a bearing mechanism (6) for bearing the material carrying platform (2) is further arranged in the center of the first sliding block (5), bear mechanism (6) and include two loading boards (61) to and drive two loading boards (61) drive unit (62) that the object removed, drive unit (62) are connected to the front side of loading board (61), the rear side and slider (5) sliding connection of loading board (61), two loading boards (61) are close to and are equipped with on the side of each other with carry material platform (2) complex semicircle step groove (611), still be equipped with pressure sensor on loading board (61), elevating system's right side still is equipped with measuring mechanism (7).
2. The jack static load experiment platform is characterized in that the measuring mechanism (7) comprises a vertical rod (71), a second sliding block (72) and a connecting portion (73), the second sliding block (72) is connected with the vertical rod (71) in a sliding mode, scales are marked on the vertical rod (71), one end of the connecting portion (73) is fixedly connected with the second sliding block (72), and the other end of the connecting portion is detachably connected with the material loading platform (2).
3. A jack static load test platform according to claim 1, wherein the driving unit (62) comprises a housing (621), a bidirectional screw (622) and a first motor (623), the bidirectional screw (622) comprises a first threaded part, a second threaded part and a connecting part (73), two ends of the bidirectional screw (622) are rotatably connected with the shell (621), one end of the bidirectional screw rod (622) penetrates out of the shell (621), the first motor (623) and one end of the bidirectional screw rod (622) penetrating out of the shell (621) are fixedly connected, a clapboard is arranged in the middle of the shell (621), the left sides of the two bearing plates (61) are provided with protruding parts (613), the two protruding parts (613) are respectively arranged at the two sides of the clapboard, and the two protruding portions (613) are respectively provided with threaded through holes for mating with the two threaded portions.
4. The jack static load experiment platform is characterized in that the lifting mechanism comprises four guide rods (8) and two hydraulic cylinders (9), the four guide rods (8) are fixedly connected with the workbench (1), through holes matched with the four guide rods (8) are formed in four corners of the first sliding block (5), and the two hydraulic cylinders (9) are fixedly connected with two sides of the bottom of the first sliding block (5).
5. The jack static load experiment platform is characterized in that the combining mechanism is a three-jaw chuck (10), the jaws of the three-jaw chuck (10) face downwards, the three-jaw chuck (10) is fixedly connected with the bottom of the material loading platform (2), and the three-jaw chuck (10) is provided with an adjusting opening.
6. A jack static load test platform according to claim 4, wherein when the value of the pressure sensor on the bearing plate (61) is zero, the hydraulic cylinder (9) is paused for a period of time and then moved downwards.
7. The static load experiment platform of the jack according to claim 1, wherein a stopwatch is further arranged on the working platform (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020961207.6U CN212007781U (en) | 2020-05-29 | 2020-05-29 | Static load experiment platform for jack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020961207.6U CN212007781U (en) | 2020-05-29 | 2020-05-29 | Static load experiment platform for jack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212007781U true CN212007781U (en) | 2020-11-24 |
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ID=73417381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020961207.6U Active CN212007781U (en) | 2020-05-29 | 2020-05-29 | Static load experiment platform for jack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212007781U (en) |
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2020
- 2020-05-29 CN CN202020961207.6U patent/CN212007781U/en active Active
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