CN113465919B - Hydraulic drive planet carrier static test bed - Google Patents
Hydraulic drive planet carrier static test bed Download PDFInfo
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- CN113465919B CN113465919B CN202110675333.4A CN202110675333A CN113465919B CN 113465919 B CN113465919 B CN 113465919B CN 202110675333 A CN202110675333 A CN 202110675333A CN 113465919 B CN113465919 B CN 113465919B
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- inner cavity
- planet carrier
- groove
- movable plate
- sliding
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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
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/027—Test-benches with force-applying means, e.g. loading of drive shafts along several directions
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- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a hydraulic drive planet carrier static test bed, which comprises: the base is provided with first sliding grooves on the left side and the right side of the inner cavity; the fixed table is arranged at the rear side of the top end of the base; the liquid crystal display screen is arranged at the top end of the fixed table; the middle part of the outer wall of the hydraulic cylinder is inserted into the inner cavity of the fixed table; the pushing handle is arranged at the front end of the hydraulic cylinder; the pressure sensor is arranged in the middle of the front side of the pushing hand and is electrically connected with the liquid crystal display screen; the movable plate is arranged at the rear side of the inner cavity of the base, the middle part of the top end of the movable plate is provided with a storage groove, the center of the storage groove corresponds to the position of the pressure sensor, and the right side of the inner cavity of the movable plate is provided with a second sliding groove along the front-rear direction. The device can accurately test the maximum load of the output shaft of the planet carrier, so that the planet carrier can be replaced at regular time, and normal use is avoided.
Description
Technical Field
The invention relates to the technical field of planetary carriers, in particular to a hydraulic drive planetary carrier static test bed.
Background
The planet carrier is one of main components of planetary gear transmission, is a part with complex structure, has light weight, good rigidity and convenient processing and assembly, has three common structural forms of double-side plate integral type, double-side plate split type and single-side plate type, and is usually composed of a sun gear, a plurality of planetary gears and a gear ring, wherein the planetary gears are supported by a fixed shaft of the planet carrier;
the planet carrier needs to have enough strength, because the gear can vibrate when rotating, and the planet carrier needs to bear the load transmitted by the gear and transmit all power to the output shaft, so the planet carrier can deform and even break due to the load transmitted by the gear after being used for a period of time, and at present, no experimental device capable of effectively testing the maximum load of the planet carrier and the output shaft is provided, so that the planet carrier can not be replaced in time easily, and normal use of the planet carrier is affected.
Disclosure of Invention
The invention aims to provide a hydraulic drive planet carrier static test bed, which at least solves the problem that the maximum load of a planet carrier and an output shaft cannot be effectively detected in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions: a hydraulically driven planet carrier static test stand comprising: the base is characterized in that a first chute is formed in the left side and the right side of an inner cavity of the base; the fixed table is arranged at the rear side of the top end of the base; the liquid crystal display screen is arranged at the top end of the fixed table; the middle part of the outer wall of the hydraulic cylinder is inserted into the inner cavity of the fixed table; the pushing hand is arranged at the front end of the hydraulic cylinder; the pressure sensor is arranged in the middle of the front side of the pushing hand and is electrically connected with the liquid crystal display screen; the movable plate is arranged at the rear side of the inner cavity of the base, a storage groove is formed in the middle of the top end of the movable plate, the center of the storage groove corresponds to the position of the pressure sensor, and a second sliding groove is formed in the right side of the inner cavity of the movable plate along the front-rear direction; the number of the first sliding blocks is two, the two first sliding blocks are respectively arranged at the left side and the right side of the movable plate, and the outer sides of the first sliding blocks are adaptively inserted into the inner cavity of the first sliding groove; the centering mechanism is arranged in the inner cavity of the movable plate; the fixing mechanism is arranged at the front end of the right side of the inner cavity of the movable plate; the planet carrier is placed in the inner cavity of the storage groove;
the centering mechanism includes: the bottom end of the rotating disc is rotatably arranged at the bottom end of the inner cavity of the moving plate through a bearing, and a hexagonal chute is formed in the top end of the rotating disc; the number of the third sliding blocks is six, and the bottom ends of the six third sliding blocks are respectively and adaptively inserted into the middle parts of six sides of the inner cavity of the hexagonal chute; the middle part of the outer side of the bottom end of the extrusion block is arranged at the top end of the third sliding block; the sliding column is arranged in the middle of the outer side of the top end of the extrusion block; the top of fixed disk sets up in the inner chamber top of movable plate, six third spouts have been seted up along the incline direction to the top of fixed disk, six the traveller looks adaptation respectively is pegged graft in the inner chamber of six third spouts.
Preferably, the centering mechanism further comprises: the rack is slidably arranged on the right side of the inner cavity of the moving plate, the front end of the rack extends out of the front side of the moving plate, and the rack is meshed with the rotating disc; the second sliding block is arranged at the rear end of the right side of the rack, and the outer side of the second sliding block is inserted into the rear side of the inner cavity of the second sliding groove in a matching mode.
Preferably, the centering mechanism further comprises: the first clamping blocks are arranged on the right side of the rack at equal intervals along the front-back direction.
Preferably, the fixing mechanism includes: the extrusion groove is formed in the front end of the right side of the inner cavity of the movable plate; the spring is embedded in the inner cavity of the extrusion groove, and one end of the spring is clamped on the inner side of the inner cavity of the extrusion groove; the second clamping block is embedded in the inner cavity of the extrusion groove, the other part of the second clamping block extends out of the inner cavity of the extrusion groove and is matched with the first clamping block, and the other end of the spring is clamped on the inner side of the second clamping block.
Preferably, the fixing mechanism further includes: the rotating groove is formed in the right end of the front side of the moving plate; one end of the pull rope is arranged on the inner side of the second clamping block, and the other end of the pull rope extends into the inner cavity of the rotary groove; the rear end of the rotating rod is rotatably arranged at the rear side of the inner cavity of the rotating groove through a bearing, the front end of the rotating rod extends out of the rotating groove, and the other end of the pull rope is arranged on the outer wall of the rotating rod.
Preferably, the top end of the base is further provided with: the fixed pushing handle is arranged on the front side of the top end of the base, and the position of the fixed pushing handle corresponds to the position of the pushing handle.
Preferably, the second sliding groove is in a dovetail shape, and the second sliding block is inserted into the inner cavity of the second sliding groove in a matching way.
The invention provides a hydraulic drive planet carrier static test bed, which has the beneficial effects that:
1. according to the invention, the hydraulic cylinder and the pushing hand can be used for pushing the planet carrier to drive the movable plate to move forwards, load can be applied to the output shaft of the planet carrier to deform by using the cooperation among the hydraulic cylinder, the pushing hand and the fixed pushing hand, and the magnitude of the applied load can be read by using the cooperation between the pressure sensor and the liquid crystal display screen, so that the maximum load of the output shaft of the planet carrier can be accurately tested, and the planet carrier can be replaced at regular time, so that normal use is prevented from being influenced;
2. the invention uses the extrusion block to center the output shaft of the planet carrier to make it correspond to the position of the pushing hand, and clamps and fixes the planet carrier, uses the rotary disk to drive the hexagonal sliding groove to rotate to drive the third sliding block to drive the extrusion block to move, and uses the third sliding groove to limit the sliding column to drive the extrusion block to move according to the specified moving route, thereby fixing the planet carrier output shaft with any diameter;
3. according to the invention, the rack can be fixed by utilizing the cooperation between the first clamping block and the second clamping block, so that the rotating disc can be prevented from rotating, and the extrusion block is fixed.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a top cross-sectional view of the base;
FIG. 3 is a top cross-sectional view of the mobile plate;
FIG. 4 is an exploded view of the centering mechanism;
fig. 5 is an enlarged view at a of the present invention.
In the figure: 1. the device comprises a base, 2, a fixed table, 3, a liquid crystal display screen, 4, a hydraulic cylinder, 5, a push handle, 6, a pressure sensor, 7, a first sliding groove, 8, a centering mechanism, 81, a rotating disc, 82, a hexagonal sliding groove, 83, a third sliding block, 84, an extrusion block, 85, a sliding column, 86, a fixed disc, 87, a third sliding groove, 88, a rack, 89, a second sliding block, 810, a first clamping block, 9, a fixing mechanism, 91, an extrusion groove, 92, a spring, 93, a second clamping block, 94, a rotating groove, 95, a pull rope, 96, a rotating rod, 10, a moving plate, 11, a first sliding block, 12, a storage groove, 13, a second sliding groove, 14, a planet carrier, 15 and a fixed push handle.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-5, the present invention provides a solution for a hydraulic driving planetary carrier static test stand, including: the device comprises a base 1, a fixed table 2, a liquid crystal display 3, a hydraulic cylinder 4, a pushing handle 5, a pressure sensor 6, a first sliding groove 7, a centering mechanism 8, a fixing mechanism 9, a moving plate 10, a first sliding block 11, a storage groove 12, a second sliding groove 13, a planet carrier 14 and a fixed pushing handle 15, wherein the first sliding groove 7 is formed in the left side and the right side of the inner cavity of the base 1, the fixed table 2 is arranged at the rear side of the top end of the base 1, the fixed table 2 is used for fixing the hydraulic cylinder 4, the liquid crystal display 3 is arranged at the top end of the fixed table 2, the liquid crystal display 3 is in the prior art, the liquid crystal display is used for displaying the numerical value of the pressure sensor 6, the middle part of the outer wall of the hydraulic cylinder 4 is inserted into the inner cavity of the fixed table 2, the hydraulic cylinder 4 is in the prior art, the output shaft used for pushing the planet carrier 14 is deformed and bent, the pushing handle 5 is arranged at the front end of the hydraulic cylinder 4, the pressure sensor 6 is arranged at the middle part of the front side of the pushing handle 5, the pressure sensor 6 is electrically connected with the liquid crystal display 3, the pressure sensor 6 is in the prior art, the pressure sensor 6 is used for detecting the output thrust of the hydraulic cylinder 4, the movable plate 10 is arranged at the rear side of the inner cavity of the base 1, the middle part of the top end of the movable plate 10 is provided with the storage groove 12, the center of the storage groove 12 corresponds to the position of the pressure sensor 6, the right side of the inner cavity of the movable plate 10 is provided with the second sliding grooves 13 along the front-back direction, the number of the first sliding blocks 11 is two, the two first sliding blocks 11 are respectively arranged at the left side and the right side of the movable plate 10, the outer sides of the first sliding blocks 11 are correspondingly inserted into the inner cavity of the first sliding grooves 7, the first sliding blocks 11 and the first sliding grooves 7 are matched for limiting the movable plate 10, the movable plate 10 is prevented from rising when the hydraulic cylinder 4 pushes the planet carrier 14, the centering mechanism 8 is arranged in the inner cavity of the movable plate 10, the centering mechanism 8 is used for fixing the planet carrier 14, the output shaft of the planet carrier 14 corresponds to the pushing hand 5, the fixing mechanism 9 is arranged at the front end of the right side of the inner cavity of the movable plate 10, the fixing mechanism 9 is used for fixing the centering mechanism 8, the planet carrier 14 is placed in the inner cavity of the storage groove 12, the fixing pushing hand 15 is arranged at the front side of the top end of the base 1, the position of the fixing pushing hand 15 corresponds to the position of the pushing hand 5, the fixing pushing hand 15 is matched with the pushing hand 5 to enable the output shaft of the planet carrier 14 to bend, and the fixing pushing hand 15 adopts an up-down structure, so that upward force generated when pushing the output shaft of the planet carrier 14 can be avoided;
the centering mechanism 8 includes: the rotary disk 81, the hexagon spout 82, the third slider 83, the extrusion piece 84, the traveller 85, the fixed disk 86, the third spout 87, the rack 88, second slider 89 and first fixture block 810, the rotatable inner chamber bottom that sets up in movable plate 10 of bearing is passed through to the bottom of rotary disk 81, hexagon spout 82 has been seted up on the top of rotary disk 81, the rotary disk 81 is rotatory can drive hexagon spout 82 rotation, the quantity of third slider 83 is six, the bottom of six third sliders 83 is the looks adaptation grafting respectively in hexagon spout 82's inner chamber six limit middle part, the bottom outside middle part of extrusion piece 84 sets up in the top of third slider 83, six extrusion piece 84 cooperation can press from both sides the output shaft clamp of planet carrier 14 fixedly, the traveller 85 sets up in the top outside middle part of extrusion piece 84, the top of fixed disk 86 sets up in the inner chamber top of movable plate 10, six third spouts 87 have been seted up along the incline direction to the top of fixed disk 86, six traveller 85 looks adaptation grafting respectively in the inner chamber of six third spouts 87, when 81 rotates, utilize hexagon spout 82 to move through third slider 83, and utilize the rack 85 to carry out the right side 88 to drive the rack 88 in the right side of movable plate 88 in the right side of the inner chamber 88 of movable plate 88 in the side of the movable plate 88 to set up in the right side of the rack 88, the right side of the rack 88 is a plurality of the right side of the rack 88, the right side of the rack 88 is set up in the right side of the inner chamber 88 is suitable side of the inner chamber 88, the rack 88 is set up.
Preferably, the fixing mechanism 9 further includes: the extrusion groove 91, the spring 92, the second fixture block 93, the rotary groove 94, stay cord 95 and rotary rod 96, the extrusion groove 91 is offered in the inner chamber right side front end of movable plate 10, the spring 92 is embedded in the inner chamber of extrusion groove 91, the one end joint of spring 92 is in the inner chamber inboard of extrusion groove 91, the spring 92 is rotatory spring, receive external force extrusion or take place elastic deformation after tensile, the initial state is restoreed after external force is got rid of, the spring 92 is used for pushing out the inner chamber of extrusion groove 91 with the second fixture block 93 here, the inner chamber of extrusion groove 91 is inlayed to a part of second fixture block 93, and the other part of second fixture block 93 extends out the inner chamber of extrusion groove 91, and cooperate with first fixture block 810, the other end joint of spring 92 is in the inboard of second fixture block 93, first fixture block 810 and second fixture block 93 cooperation can avoid rack 88 to move forward, rotatory groove 94 is offered in the front right-hand member of movable plate 10, the one end of stay cord 95 sets up in the inboard of second fixture block 93, and the other end of stay cord 95 extends into the inner chamber of rotary groove 94, the rear end of rotary rod 96 is through the rotatable setting up in the outer wall of rotatory groove 94 of rotatory groove 96, the other end of the rotary rod 96 is located in the rotary rod 96.
As a preferred scheme, still further, the second chute 13 is dovetail-shaped, and the second slider 89 is adapted to be inserted into the inner cavity of the second chute 13, so that the second slider 89 can be ensured not to be separated from the inner cavity of the second chute 13, and further the rack 88 can be prevented from moving left and right.
The detailed connection means are known in the art, and the following mainly describes the working principle and process, and the specific work is as follows.
When in use, the hydraulic cylinder 4 is started to drive the pushing hands 5 to move forwards until the pushing hands 5 are contacted with the output shaft of the planet carrier 14, the hydraulic cylinder 4 continues to push the pushing hands 5 to drive the movable plate 10 to move forwards through the planet carrier 14, the movable plate 10 is driven to move forwards by utilizing the first sliding groove 7 and the first sliding block 11, friction force can be reduced, the movable plate 10 can be limited to prevent the situation of rising, the accuracy of a test result is further improved until the output shaft of the planet carrier 14 is contacted with the fixed pushing hands 15, upward force generated by the planet carrier 14 when the planet carrier 14 is pushed by utilizing the fixed pushing hands 15 can be avoided, the hydraulic cylinder 4 continues to push the output end of the planet carrier 14 until deformation and bending occur at the output end of the planet carrier 14, the pushing force detected by utilizing the pressure sensor 6 can be read through the liquid crystal display screen 3 at the moment, after the detection is finished, restoring the hydraulic cylinder 4 to the initial position, rotating the rotating rod 96 to cause the stay cord 95 to wind on the outer wall of the rotating rod 96, and then the stay cord 95 can pull the second clamping block 93 to move towards the inner cavity of the extrusion groove 91 until the second clamping block 93 is not contacted with the first clamping block 810, pulling the rack 88 forward to drive the rotating disk 81 to rotate clockwise, the rotating disk 81 can slide in the inner cavity of the hexagonal sliding groove 82 through the third sliding block 83 clockwise, and the sliding column 85 is limited by the third sliding groove 87, so that the extrusion block 84 can be caused to move, the inner cavity of the storage groove 12 is exposed, and then the planet carrier 14 can be taken out from the inner cavity of the storage groove 12, when the planet carrier 14 needs to be fixed, the device can accurately test the maximum load of the output shaft of the planet carrier 14, so that the planet carrier 14 can be replaced at regular time, avoiding affecting normal use.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A hydraulically driven planet carrier static test stand, comprising:
the device comprises a base (1), wherein a first chute (7) is formed in the left side and the right side of an inner cavity of the base (1);
the fixed table (2) is arranged at the rear side of the top end of the base (1);
the liquid crystal display screen (3), the said liquid crystal display screen (3) is set up in the top of the fixed station (2);
the middle part of the outer wall of the hydraulic cylinder (4) is inserted into the inner cavity of the fixed table (2);
the pushing hand (5) is arranged at the front end of the hydraulic cylinder (4);
the pressure sensor (6) is arranged in the middle of the front side of the pushing hand (5), and the pressure sensor (6) is electrically connected with the liquid crystal display screen (3);
the movable plate (10), the movable plate (10) is arranged at the rear side of the inner cavity of the base (1), a storage groove (12) is formed in the middle of the top end of the movable plate (10), the center of the storage groove (12) corresponds to the position of the pressure sensor (6), and a second chute (13) is formed in the right side of the inner cavity of the movable plate (10) along the front-rear direction;
the two first sliding blocks (11) are arranged on the left side and the right side of the movable plate (10) respectively, and the outer sides of the first sliding blocks (11) are inserted into the inner cavity of the first sliding groove (7) in an adaptive manner;
the centering mechanism (8) is arranged in the inner cavity of the movable plate (10);
the fixing mechanism (9) is arranged at the front end of the right side of the inner cavity of the movable plate (10);
the planet carrier (14) is arranged in the inner cavity of the storage groove (12);
the centering mechanism (8) comprises:
the bottom end of the rotary disc (81) is rotatably arranged at the bottom end of the inner cavity of the movable plate (10) through a bearing, and a hexagonal sliding groove (82) is formed in the top end of the rotary disc (81);
the number of the third sliding blocks (83) is six, and the bottom ends of the six third sliding blocks (83) are respectively and adaptively inserted into the middle parts of six sides of the inner cavity of the hexagonal sliding groove (82);
the middle part of the outer side of the bottom end of the extrusion block (84) is arranged at the top end of the third sliding block (83);
a slide column (85), wherein the slide column (85) is arranged in the middle of the outer side of the top end of the extrusion block (84);
the fixed disk (86), the top of fixed disk (86) sets up in the inner chamber top of movable plate (10), six third spouts (87) have been seted up along the incline direction on the top of fixed disk (86), six slide column (85) looks adaptation respectively peg graft in the inner chamber of six third spouts (87).
2. A hydraulically driven planet carrier static test stand as claimed in claim 1, wherein: the centering mechanism (8) further comprises:
the rack (88) is slidably arranged on the right side of the inner cavity of the moving plate (10), the front end of the rack (88) extends out of the front side of the moving plate (10), and the rack (88) is meshed with the rotating disc (81);
the second sliding block (89), second sliding block (89) set up in the right side rear end of rack (88), the outside looks adaptation of second sliding block (89) is pegged graft in the inner chamber rear side of second spout (13).
3. A hydraulically driven planet carrier static test stand as claimed in claim 1, wherein: the centering mechanism (8) further comprises:
the first clamping blocks (810), the quantity of first clamping blocks (810) is a plurality of, and a plurality of first clamping blocks (810) are equidistantly arranged on the right side of the rack (88) along the front-back direction.
4. A hydraulically driven planet carrier static test stand as claimed in claim 1, wherein: the fixing mechanism (9) comprises:
the extrusion groove (91) is formed in the front end of the right side of the inner cavity of the movable plate (10);
the spring (92) is embedded in the inner cavity of the extrusion groove (91), and one end of the spring (92) is clamped inside the inner cavity of the extrusion groove (91);
the second clamping block (93), a part of the second clamping block (93) is embedded in the inner cavity of the extrusion groove (91), and the other part of the second clamping block (93) extends out of the inner cavity of the extrusion groove (91) and is matched with the first clamping block (810), and the other end of the spring (92) is clamped on the inner side of the second clamping block (93).
5. A hydraulically driven planet carrier static test stand as claimed in claim 1, wherein: the fixing mechanism (9) further comprises:
a rotary groove (94), wherein the rotary groove (94) is arranged at the right end of the front side of the movable plate (10);
one end of the pull rope (95) is arranged on the inner side of the second clamping block (93), and the other end of the pull rope (95) extends into the inner cavity of the rotary groove (94);
the rotary rod (96), the rear end of rotary rod (96) is rotatably set up in the inner chamber rear side of rotary groove (94) through the bearing, and the front end of rotary rod (96) extends rotary groove (94), the other end of stay cord (95) sets up in the outer wall of rotary rod (96).
6. A hydraulically driven planet carrier static test stand as claimed in claim 1, wherein: the top of base (1) still is provided with:
the fixed pushing handle (15), the fixed pushing handle (15) is arranged at the front side of the top end of the base (1), and the position of the fixed pushing handle (15) corresponds to the position of the pushing handle (5).
7. A hydraulically driven planet carrier static test stand as claimed in claim 2, wherein: the second sliding groove (13) is dovetail-shaped, and the second sliding block (89) is inserted into the inner cavity of the second sliding groove (13) in a matching mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202110675333.4A CN113465919B (en) | 2021-06-21 | 2021-06-21 | Hydraulic drive planet carrier static test bed |
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|---|---|---|---|
| CN202110675333.4A CN113465919B (en) | 2021-06-21 | 2021-06-21 | Hydraulic drive planet carrier static test bed |
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| CN113465919A CN113465919A (en) | 2021-10-01 |
| CN113465919B true CN113465919B (en) | 2023-09-22 |
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| CN113895794B (en) * | 2021-11-17 | 2023-05-12 | 辉阳集团有限公司 | Drawing storage device capable of being rapidly stored for architectural design |
| CN117943859A (en) * | 2024-03-26 | 2024-04-30 | 江苏锡华智能装备有限公司 | Be used for planet carrier processing self-holding device |
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